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Your problem is not clear from the posted message. You can use c functions from Visual C++(Visual C++ is a tool built on c++ and c++ is backward compatible with c ).
If you have problems with using c functions from a library(link error most probably), that may be due to the name mangling brought about by the c++ compiler. You can ask the compiler to turn off name mangling for the library functions by doing the following :
extern "C"
{
#include "yourheader.h"
}
This asks the compiler not to mangle the names in the header file.
HTH
~ Vimal
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I want to use some functions that are declared in this header file(matrix.h), but when I want to compile my program, it gives the following error.
error LNK2001: unresolved external symbol _mxCreateDoubleMatrix
error LNK2001: unresolved external symbol _mxGetPr
Do you know what's wrong?
Kind regards,
Geert
/*
* @(#)matrix.h generated by: makeheader Sun Feb 11 00:59:45 2001
*
* built from: ../include/copyright.h
* ../include/mxassert.h
* alloccbk.c
* alloclst.c
* array.c
* array2.c
* arraycbk.c
* arraycpy.c
* assignmt.c
* bytestr.c
* catenate.c
* cellindex.c
* checkdim.c
* conversions.c
* end.c
* errmsg.c
* error.c
* errtable.c
* fcnreg.c
* fmxapi.c
* funhdl.c
* ieee_wrap.c
* indexcpy.c
* iocbk.c
* marshal.c
* mcat.c
* mxapiv4.c
* mxequal.c
* mxutil.c
* nargchk.c
* numconv.c
* opaque.c
* permute.c
* populate.c
* referenc.c
* resize.c
* rndcolon.c
* scopemgr.c
* strconv.c
* transpose.c
* txtcmp.c
* undoc.c
* warning.c
* wrnstate.c
* modver/modver.c
* mxdbg.h
*/
#ifndef matrix_h
#define matrix_h
/* $Revision: 1.4 $ */
/*
* Copyright (c) 1984-2001 The MathWorks, Inc.
* All Rights Reserved.
*/
/* $Revision: 1.5 $ */
/*
mxAssert(int expression, char *error_message)
---------------------------------------------
Similar to ANSI C's assert() macro, the mxAssert macro checks the
value of an assertion, continuing execution only if the assertion
holds. If 'expression' evaluates to be true, then the mxAssert does
nothing. If, however, 'expression' is false, then mxAssert prints an
error message to the MATLAB Command Window, consisting of the failed
assertion's expression, the file name and line number where the failed
assertion occurred, and the string 'error_message'. 'error_message'
allows the user to specify a more understandable description of why
the assertion failed. (Use an empty string if no extra description
should follow the failed assertion message.) After a failed
assertion, control returns to the MATLAB command line.
mxAssertS, (the S for Simple), takes the same inputs as mxAssert. It
does not print the text of the failed assertion, only the file and
line where the assertion failed, and the explanatory error_message.
Note that script MEX will turn off these assertions when building
optimized MEX-functions, so they should be used for debugging
purposes only.
*/
#ifdef __cplusplus
extern "C" {
#endif
#ifdef MATLAB_MEX_FILE
# ifndef NDEBUG
extern void mexPrintAssertion(
const char *test,
const char *fname,
int linenum,
const char *message);
# define mxAssert(test, message) ( (test) ? (void) 0 : mexPrintAssertion(": " #test ",", __FILE__, __LINE__, message))
# define mxAssertS(test, message) ( (test) ? (void) 0 : mexPrintAssertion("", __FILE__, __LINE__, message))
# else
# define mxAssert(test, message) ((void) 0)
# define mxAssertS(test, message) ((void) 0)
# endif
#else
# include <assert.h>
# define mxAssert(test, message) assert(test)
# define mxAssertS(test, message) assert(test)
#endif
#ifdef __cplusplus
} /* extern "C" */
#endif
#ifdef __cplusplus
extern "C" {
#endif
#include <stddef.h> /* size_t */
/*
* allocate memory, notifying registered listener
*/
extern void *mxMalloc(
size_t n /* number of bytes */
);
/*
* allocate cleared memory, notifying registered listener.
*/
extern void *mxCalloc(
size_t n, /* number of objects */
size_t size /* size of objects */
);
/*
* free memory, notifying registered listener.
*/
extern void mxFree(void *ptr); /* pointer to memory to be freed */
/*
* reallocate memory, notifying registered listener.
*/
extern void *mxRealloc(void *ptr, size_t size);
typedef struct mxArray_tag mxArray;
#include "tmwtypes.h"
/*typedef struct mxArray_tag mxArray;*/
typedef void(*mxFunctionPtr)(int nlhs, mxArray *plhs[], int nrhs, mxArray *prhs[]);
#define mxMAXNAM 32 /* maximum name length */
typedef uint16_T mxChar;
typedef enum {
mxUNKNOWN_CLASS = 0,
mxCELL_CLASS,
mxSTRUCT_CLASS,
mxOBJECT_CLASS,
mxCHAR_CLASS,
mxSPARSE_CLASS,
mxDOUBLE_CLASS,
mxSINGLE_CLASS,
mxINT8_CLASS,
mxUINT8_CLASS,
mxINT16_CLASS,
mxUINT16_CLASS,
mxINT32_CLASS,
mxUINT32_CLASS,
mxINT64_CLASS, /* place holder - future enhancements */
mxUINT64_CLASS, /* place holder - future enhancements */
mxFUNCTION_CLASS,
mxOPAQUE_CLASS
} mxClassID;
typedef enum {
mxREAL,
mxCOMPLEX
} mxComplexity;
#if defined(ARRAY_ACCESS_INLINING) && !defined(MATLAB_COMPILER_GENERATED_CODE)
/*
* This modified version of the mxArray structure is needed to support
* the ARRAY_ACCESS_INLINING macros. NOTE: The elements in this structure
* should not be accessed directly. Inlined MEX-files are NOT guaranteed
* to be portable from one release of MATLAB to another.
*/
struct mxArray_tag {
char name[mxMAXNAM];
int reserved1[2];
void *reserved2;
int number_of_dims;
int reserved3[4];
union {
struct {
void *pdata;
void *pimag_data;
void *reserved4;
int reserved5[3];
} number_array;
} data;
};
#endif /* ARRAY_ACCESS_INLINING */
/*
* Return the class (catergory) of data that the array holds.
*/
extern mxClassID mxGetClassID(const mxArray *pa);
/*
* Get pointer to array name.
*/
extern const char *mxGetName(
const mxArray *pa /* pointer to array */
);
#if defined(ARRAY_ACCESS_INLINING)
#define mxGetName(pa) ((const char *)((pa)->name))
#endif /* defined(ARRAY_ACCESS_INLINING) */
/*
* Set array name. This routine copies the string pointed to by s
* into the mxMAXNAM length character name field.
*/
extern void mxSetName(
mxArray *pa, /* pointer to array */
const char *s /* string to copy into name */
);
/*
* Get pointer to data
*/
extern void *mxGetData(
const mxArray *pa /* pointer to array */
);
#if defined(ARRAY_ACCESS_INLINING)
#define mxGetData(pa) ((pa)->data.number_array.pdata)
#endif /* defined(ARRAY_ACCESS_INLINING) */
/*
* Set pointer to data
*/
extern void mxSetData(
mxArray *pa, /* pointer to array */
void *newdata /* pointer to data */
);
/*
* Get real data pointer for numeric array
*/
extern double *mxGetPr(
const mxArray *pa /* pointer to array */
);
#if defined(ARRAY_ACCESS_INLINING)
#define mxGetPr(pa) ((double *)mxGetData(pa))
#endif /* defined(ARRAY_ACCESS_INLINING) */
/*
* Set real data pointer for numeric array
*/
extern void mxSetPr(
mxArray *pa, /* pointer to array */
double *pr /* real data array pointer */
);
/*
* Determine whether the specified array contains numeric (as opposed
* to cell or struct) data.
*/
extern bool mxIsNumeric(const mxArray *pa);
/*
* Determine whether the given array is a cell array.
*/
extern bool mxIsCell(const mxArray *pa);
/*
* Determine whether the given array contains character data.
*/
extern bool mxIsChar(const mxArray *pa);
/*
* Determine whether the given array is a sparse (as opposed to full).
*/
extern bool mxIsSparse(const mxArray *pa);
/*
* Determine whether the given array is a structure array.
*/
extern bool mxIsStruct(const mxArray *pa);
/*
* Determine whether the given array is an opaque array.
*/
extern bool mxIsOpaque(const mxArray *pa);
/*
* Returns true if specified array is a function object.
*/
extern bool mxIsFunctionHandle(const mxArray *pa);
/*
* Is array user defined object
*/
extern bool mxIsObject(
const mxArray *pa /* pointer to array */
);
/*
* Get imaginary data pointer for numeric array
*/
extern void *mxGetImagData(
const mxArray *pa /* pointer to array */
);
#if defined(ARRAY_ACCESS_INLINING)
#define mxGetImagData(pa) ((pa)->data.number_array.pimag_data)
#endif /* defined(ARRAY_ACCESS_INLINING) */
/*
* Set imaginary data pointer for numeric array
*/
extern void mxSetImagData(
mxArray *pa, /* pointer to array */
void *newdata /* imaginary data array pointer */
);
/*
* Get imaginary data pointer for numeric array
*/
extern double *mxGetPi(
const mxArray *pa /* pointer to array */
);
#if defined(ARRAY_ACCESS_INLINING)
#define mxGetPi(pa) ((double *)mxGetImagData(pa))
#endif /* defined(ARRAY_ACCESS_INLINING) */
/*
* Set imaginary data pointer for numeric array
*/
extern void mxSetPi(
mxArray *pa, /* pointer to array */
double *pi /* imaginary data array pointer */
);
/*
* Determine whether the given array contains complex data.
*/
extern bool mxIsComplex(const mxArray *pa);
/*
* Determine whether the specified array represents its data as
* double-precision floating-point numbers.
*/
extern bool mxIsDouble(const mxArray *pa);
/*
* Determine whether the specified array represents its data as
* single-precision floating-point numbers.
*/
extern bool mxIsSingle(const mxArray *pa);
/*
* Determine whether the given array's logical flag is on.
*/
extern bool mxIsLogical(const mxArray *pa);
/*
* Determine whether the specified array represents its data as
* signed 8-bit integers.
*/
extern bool mxIsInt8(const mxArray *pa);
/*
* Determine whether the specified array represents its data as
* unsigned 8-bit integers.
*/
extern bool mxIsUint8(const mxArray *pa);
/*
* Determine whether the specified array represents its data as
* signed 16-bit integers.
*/
extern bool mxIsInt16(const mxArray *pa);
/*
* Determine whether the specified array represents its data as
* unsigned 16-bit integers.
*/
extern bool mxIsUint16(const mxArray *pa);
/*
* Determine whether the specified array represents its data as
* signed 32-bit integers.
*/
extern bool mxIsInt32(const mxArray *pa);
/*
* Determine whether the specified array represents its data as
* unsigned 32-bit integers.
*/
extern bool mxIsUint32(const mxArray *pa);
/*
* Determine whether the specified array represents its data as
* signed 64-bit integers.
*/
extern bool mxIsInt64(const mxArray *pa);
/*
* Determine whether the specified array represents its data as
* unsigned 64-bit integers.
*/
extern bool mxIsUint64(const mxArray *pa);
/*
* Get 8 bits of user data stored in the mxArray header. NOTE: This state
* of these bits are not guaranteed to be preserved after API function
* calls.
*/
extern int mxGetUserBits(
const mxArray *pa /* pointer to array */
);
/*
* Set 8 bits of user data stored in the mxArray header. NOTE: This state
* of these bits are not guaranteed to be preserved after API function
* calls.
*/
extern void mxSetUserBits(
mxArray *pa, /* pointer to array */
int value
);
#ifdef __WATCOMC__
#ifndef __cplusplus
#pragma aux mxGetScalar value [8087];
#endif
#endif
/*
* Get the real component of the specified array's first data element.
*/
extern double mxGetScalar(const mxArray *pa);
/*
* Specify that the data in an array is to be treated as Boolean data.
*/
extern void mxSetLogical(mxArray *pa);
/*
* Specify that the data in an array is to be treated as numerical
* (as opposed to Boolean) data.
*/
extern void mxClearLogical(mxArray *pa);
/*
* Is the isFromGlobalWorkspace bit set?
*/
extern bool mxIsFromGlobalWS(const mxArray *pa);
/*
* Set the isFromGlobalWorkspace bit.
*/
extern void mxSetFromGlobalWS(mxArray *pa, bool global);
/*
* Get number of dimensions in array
*/
extern int mxGetNumberOfDimensions(
const mxArray *pa /* pointer to array */
);
#if defined(ARRAY_ACCESS_INLINING)
#define mxGetNumberOfDimensions(pa) ((pa)->number_of_dims)
#endif /* defined(ARRAY_ACCESS_INLINING) */
/*
* Get pointer to dimension array
*/
extern const int *mxGetDimensions(
const mxArray *pa /* pointer to array */
);
/*
* Get row dimension
*/
extern int mxGetM(
const mxArray *pa /* pointer to array */
);
/*
* Set row dimension
*/
extern void mxSetM(
mxArray *pa, /* pointer to array */
int m /* row dimension */
);
/*
* Get column dimension
*/
extern int mxGetN(
const mxArray *pa /* pointer to array */
);
/*
* Is array empty
*/
extern bool mxIsEmpty(
const mxArray *pa /* pointer to array */
);
/*
* Get row data pointer for sparse numeric array
*/
extern int *mxGetIr(
const mxArray *pa /* pointer to array */
);
/*
* Set row data pointer for numeric array
*/
extern void mxSetIr(
mxArray *pa, /* pointer to array */
int *newir /* row data array pointer */
);
/*
* Get column data pointer for sparse numeric array
*/
extern int *mxGetJc(
const mxArray *pa /* pointer to array */
);
/*
* Set column data pointer for numeric array
*/
extern void mxSetJc(
mxArray *pa, /* pointer to array */
int *newjc /* column data array pointer */
);
/*
* Get maximum nonzero elements for sparse numeric array
*/
extern int mxGetNzmax(
const mxArray *pa /* pointer to array */
);
/*
* Set maximum nonzero elements for numeric array
*/
extern void mxSetNzmax(
mxArray *pa, /* pointer to array */
int nzmax /* maximum nonzero elements */
);
/*
* Get number of elements in array
*/
extern int mxGetNumberOfElements(
const mxArray *pa /* pointer to array */
);
/*
* Get array data element size
*/
extern int mxGetElementSize(const mxArray *pa);
/*
* Return the offset (in number of elements) from the beginning of
* the array to a given subscript.
*/
extern int mxCalcSingleSubscript(const mxArray *pa, int nsubs, const int *subs);
/*
* Get number of structure fields in array
*/
extern int mxGetNumberOfFields(
const mxArray *pa /* pointer to array */
);
/*
* Get a pointer to the specified cell element.
*/
extern mxArray *mxGetCell(const mxArray *pa, int i);
/*
* Set an element in a cell array to the specified value.
*/
extern void mxSetCell(mxArray *pa, int i, mxArray *value);
/*
* Get the index to the named field.
*/
extern int mxGetFieldNumber(const mxArray *pa, const char *name);
/*
* Return a pointer to the contents of the named field for
* the ith element (zero based).
*/
extern mxArray *mxGetFieldByNumber(const mxArray *pa, int i, int fieldnum);
/*
* Set pa[i][fieldnum] = value
*/
extern void mxSetFieldByNumber(mxArray *pa, int i, int fieldnum, mxArray *value);
/*
* Return a pointer to the contents of the named field for the ith
* element (zero based). Returns NULL on no such field or if the
* field itself is NULL
*/
extern mxArray *mxGetField(const mxArray *pa, int i, const char *fieldname);
/*
* Set pa[i]->fieldname = value
*/
extern void mxSetField(mxArray *pa, int i, const char *fieldname, mxArray *value);
/*
* Return pointer to the nth field name
*/
extern const char *mxGetFieldNameByNumber(const mxArray *pa, int n);
/*
* Return the name of an array's class.
*/
extern const char *mxGetClassName(const mxArray *pa);
/*
* Determine whether an array is a member of the specified class.
*/
extern bool mxIsClass(const mxArray *pa, const char *name);
#include <stdlib.h>
/*
* Create a numeric matrix and initialize all its data elements to 0.
*/
extern mxArray *mxCreateNumericMatrix(
int m,
int n,
mxClassID classid,
int cmplx_flag
);
/*
* Set column dimension
*/
extern void mxSetN(mxArray *pa, int n);
/*
* Set dimension array and number of dimensions. Returns 0 on success and 1
* if there was not enough memory available to reallocate the dimensions array.
*/
extern int mxSetDimensions(mxArray *pa, const int *size, int ndims);
/*
* mxArray destructor
*/
extern void mxDestroyArray(mxArray *pa);
/*
* Create a numeric array and initialize all its data elements to 0.
*/
extern mxArray *mxCreateNumericArray(int ndim, const int *dims, mxClassID classid, mxComplexity flag);
/*
* Create a two-dimensional array to hold double-precision
* floating-point data; initialize each data element to 0.
*/
extern mxArray *mxCreateDoubleMatrix(int m, int n, mxComplexity flag);
/*
* Create a scalar double-precision array initialized to the
* value specified
*/
extern mxArray *mxCreateScalarDouble(double value);
/*
* Create a 2-Dimensional sparse array.
*/
extern mxArray *mxCreateSparse(int m, int n, int nzmax, mxComplexity flag);
/*
* Copies characters from a MATLAB array to a char array
* nChars is the number of bytes in the output buffer
*/
extern void mxGetNChars(const mxArray *pa, char *buf, int nChars);
/*
* Converts a string array to a C-style string.
*/
extern int mxGetString(const mxArray *pa, char *buf, int buflen);
/*
* Create a NULL terminated C string from an mxArray of type mxCHAR_CLASS
* Supports multibyte character sets. The resulting string must be freed
* with mxFree. Returns NULL on out of memory or non-character arrays.
*/
extern char *mxArrayToString(const mxArray *pa);
/*
* Create a 1-by-n string array initialized to str.
*/
extern mxArray *mxCreateStringFromNChars(const char *str, int n);
/*
* Create a 1-by-n string array initialized to null terminated string
* where n is the length of the string.
*/
extern mxArray *mxCreateString(const char *str);
/*
* Create an N-Dimensional array to hold string data;
* initialize all elements to 0.
*/
extern mxArray *mxCreateCharArray(int ndim, const int *dims);
/*
* Create a string array initialized to the strings in str.
*/
extern mxArray *mxCreateCharMatrixFromStrings(int m, const char **str);
/*
* Create a 2-Dimensional cell array, with each cell initialized
* to NULL.
*/
extern mxArray *mxCreateCellMatrix(int m, int n);
/*
* Create an N-Dimensional cell array, with each cell initialized
* to NULL.
*/
extern mxArray *mxCreateCellArray(int ndim, const int *dims);
/*
* Create a 2-Dimensional structure array having the specified fields;
* initialize all values to NULL.
*/
extern mxArray *mxCreateStructMatrix(int m, int n, int nfields, const char **fieldnames);
/*
* Create an N-Dimensional structure array having the specified fields;
* initialize all values to NULL.
*/
extern mxArray *mxCreateStructArray(int ndim, const int *dims, int nfields,
const char **fieldnames);
/*
* Make a deep copy of an array, return a pointer to the copy.
*/
extern mxArray *mxDuplicateArray(const mxArray *in);
/*
* Set classname of an unvalidated object array. It is illegal to
* call this function on a previously validated object array.
* Return 0 for success, 1 for failure.
*/
extern int mxSetClassName(mxArray *pa, const char *classname);
/*
* Add a field to a structure array. Returns field number on success or -1
* if inputs are invalid or an out of memory condition occurs.
*/
extern int mxAddField(mxArray *pa, const char *fieldname);
/*
* Remove a field from a structure array. Does nothing if no such field exists.
* Does not destroy the field itself.
*/
extern void mxRemoveField(mxArray *pa, int field);
/*
* Set an element in a cell array to a copy of the specified value.
*/
extern void mxSetCopyInCell(mxArray *pa, int i, mxArray *value);
#include <stdlib.h>
#include <stdlib.h>
#ifdef __WATCOMC__
#ifndef __cplusplus
#pragma aux mxGetEps value [8087];
#pragma aux mxGetInf value [8087];
#pragma aux mxGetNaN value [8087];
#endif
#endif
/*
* Function for obtaining MATLAB's concept of EPS
*/
extern double mxGetEps(void);
/*
* Function for obtaining MATLAB's concept of INF (Used in MEX-File callback).
*/
extern double mxGetInf(void);
/*
* Function for obtaining MATLAB's concept of NaN (Used in MEX-File callback).
*/
extern double mxGetNaN(void);
/*
* test for finiteness in a machine-independent manner
*/
extern bool mxIsFinite(
double x /* value to test */
);
/*
* test for infinity in a machine-independent manner
*/
extern bool mxIsInf(
double x /* value to test */
);
/*
* test for NaN in a machine-independent manner
*/
extern bool mxIsNaN(
double x /* value to test */
);
typedef void * (*calloc_proc)(size_t nmemb, size_t size);
typedef void (*free_proc)(void *ptr);
typedef void * (*malloc_proc)(size_t size);
typedef void * (*realloc_proc)(void *ptr, size_t size);
#if !defined(MATLAB_MEX_FILE)
/*
* Set the memory allocation functions used by the matrix library. You must
* supply calloc, realloc, free and malloc functions when using mxSetAllocFcns.
* NOTE: the free function MUST handle the case when the pointer to be freed
* is NULL. The default AllocFcns for the matrix library are based on the
* standard C library functions calloc, free, realloc, and malloc.
*/
extern void mxSetAllocFcns(
calloc_proc callocfcn,
free_proc freefcn,
realloc_proc reallocfcn,
malloc_proc mallocfcn
);
#endif
#if defined(V4_COMPAT)
#define Matrix mxArray
#define COMPLEX mxCOMPLEX
#define REAL mxREAL
typedef double Real;
#define mxCreateFull mxCreateDoubleMatrix
#define mxIsString mxIsChar
#define mxFreeMatrix mxDestroyArray
#define mxIsFull(pa) (!mxIsSparse(pa))
#else
#define mxIsFull() mxIsFull_is_obsolete
#define mxCreateFull() mxCreateFull_is_obsolete
#define mxIsString() mxIsString_is_obsolete
#define mxFreeMatrix() mxFreeMatrix_is_obsolete
#endif /* V4_COMPAT */
#include <stdlib.h>
#include <stdlib.h>
#include <stdlib.h>
/* $Revision: 1.10 $ */
#ifdef ARGCHECK
#include "mwdebug.h" /* Prototype _d versions of API functions */
#define mxCalcSingleSubscript(pa, nsubs, subs) mxCalcSingleSubscript_d(pa, nsubs, subs, __FILE__, __LINE__)
#define mxCalloc(nelems, size) mxCalloc_d(nelems, size, __FILE__, __LINE__)
#define mxClearLogical(pa) mxClearLogical_d(pa, __FILE__, __LINE__)
#define mxCreateCellArray(ndim, dims) mxCreateCellArray_d(ndim, dims, __FILE__, __LINE__)
#define mxCreateCellMatrix(m, n) mxCreateCellMatrix_d(m, n, __FILE__, __LINE__)
#define mxCreateCharArray(ndim, dims) mxCreateCharArray_d(ndim, dims, __FILE__, __LINE__)
#define mxCreateCharMatrixFromStrings(m, strings) mxCreateCharMatrixFromStrings_d(m, strings, __FILE__, __LINE__)
#define mxCreateDoubleMatrix(m, n, cplxflag) mxCreateDoubleMatrix_d(m, n, cplxflag, __FILE__, __LINE__)
#define mxCreateNumericArray(ndim, dims, classname, cplxflag) mxCreateNumericArray_d(ndim, dims, classname, cplxflag, __FILE__, __LINE__)
#define mxCreateSparse(m, n, nzmax, cplxflag) mxCreateSparse_d(m, n, nzmax, cplxflag, __FILE__, __LINE__)
#define mxCreateString(string) mxCreateString_d(string, __FILE__, __LINE__)
#define mxCreateStructArray(ndim, dims, nfields, fieldnames) mxCreateStructArray_d(ndim, dims, nfields, fieldnames, __FILE__, __LINE__)
#define mxCreateStructMatrix(m, n, nfields, fieldnames) mxCreateStructMatrix_d(m, n, nfields, fieldnames, __FILE__, __LINE__)
#define mxDestroyArray(pa) mxDestroyArray_d(pa, __FILE__, __LINE__)
#define mxDuplicateArray(pa) mxDuplicateArray_d(pa, __FILE__, __LINE__)
#define mxFree(pm) mxFree_d(pm, __FILE__, __LINE__)
#define mxGetCell(pa, index) mxGetCell_d(pa, index, __FILE__, __LINE__)
#define mxGetClassID(pa) mxGetClassID_d(pa, __FILE__, __LINE__)
#define mxGetClassName(pa) mxGetClassName_d(pa, __FILE__, __LINE__)
#define mxGetData(pa) mxGetData_d(pa, __FILE__, __LINE__)
#define mxGetDimensions(pa) mxGetDimensions_d(pa, __FILE__, __LINE__)
#define mxGetElementSize(pa) mxGetElementSize_d(pa, __FILE__, __LINE__)
#define mxGetField(pa, index, fieldname) mxGetField_d(pa, index, fieldname, __FILE__, __LINE__)
#define mxGetFieldByNumber(pa, index, fieldnum) mxGetFieldByNumber_d(pa, index, fieldnum, __FILE__, __LINE__)
#define mxGetFieldNameByNumber(pa, fieldnum) mxGetFieldNameByNumber_d(pa, fieldnum, __FILE__, __LINE__)
#define mxGetFieldNumber(pa, fieldname) mxGetFieldNumber_d(pa, fieldname, __FILE__, __LINE__)
#define mxGetImagData(pa) mxGetImagData_d(pa, __FILE__, __LINE__)
#define mxGetIr(pa) mxGetIr_d(pa, __FILE__, __LINE__)
#define mxGetJc(pa) mxGetJc_d(pa, __FILE__, __LINE__)
#define mxGetName(pa) mxGetName_d(pa, __FILE__, __LINE__)
#define mxGetNumberOfDimensions(pa) mxGetNumberOfDimensions_d(pa, __FILE__, __LINE__)
#define mxGetNumberOfElements(pa) mxGetNumberOfElements_d(pa, __FILE__, __LINE__)
#define mxGetNumberOfFields(pa) mxGetNumberOfFields_d(pa, __FILE__, __LINE__)
#define mxGetNzmax(pa) mxGetNzmax_d(pa, __FILE__, __LINE__)
#define mxGetM(pa) mxGetM_d(pa, __FILE__, __LINE__)
#define mxGetN(pa) mxGetN_d(pa, __FILE__, __LINE__)
#define mxGetPi(pa) mxGetPi_d(pa, __FILE__, __LINE__)
#define mxGetPr(pa) mxGetPr_d(pa, __FILE__, __LINE__)
#define mxGetScalar(pa) mxGetScalar_d(pa, __FILE__, __LINE__)
#define mxGetString(pa, buffer, buflen) mxGetString_d(pa, buffer, buflen, __FILE__, __LINE__)
#define mxIsCell(pa) mxIsCell_d(pa, __FILE__, __LINE__)
#define mxIsChar(pa) mxIsChar_d(pa, __FILE__, __LINE__)
#define mxIsClass(pa, classname) mxIsClass_d(pa, classname, __FILE__, __LINE__)
#define mxIsComplex(pa) mxIsComplex_d(pa, __FILE__, __LINE__)
#define mxIsDouble(pa) mxIsDouble_d(pa, __FILE__, __LINE__)
#define mxIsEmpty(pa) mxIsEmpty_d(pa, __FILE__, __LINE__)
#define mxIsFromGlobalWS(pa) mxIsFromGlobalWS_d(pa, __FILE__, __LINE__)
#define mxIsInt8(pa) mxIsInt8_d(pa, __FILE__, __LINE__)
#define mxIsInt16(pa) mxIsInt16_d(pa, __FILE__, __LINE__)
#define mxIsInt32(pa) mxIsInt32_d(pa, __FILE__, __LINE__)
#define mxIsLogical(pa) mxIsLogical_d(pa, __FILE__, __LINE__)
#define mxIsNumeric(pa) mxIsNumeric_d(pa, __FILE__, __LINE__)
#define mxIsSingle(pa) mxIsSingle_d(pa, __FILE__, __LINE__)
#define mxIsSparse(pa) mxIsSparse_d(pa, __FILE__, __LINE__)
#define mxIsStruct(pa) mxIsStruct_d(pa, __FILE__, __LINE__)
#define mxIsUint8(pa) mxIsUint8_d(pa, __FILE__, __LINE__)
#define mxIsUint16(pa) mxIsUint16_d(pa, __FILE__, __LINE__)
#define mxIsUint32(pa) mxIsUint32_d(pa, __FILE__, __LINE__)
#define mxRealloc(pm, nelems) mxRealloc_d(pm, nelems, __FILE__, __LINE__)
#if !defined(MATLAB_MEX_FILE)
#define mxSetAllocFcns(callocptr, freeptr, reallocptr, mallocptr) mxSetAllocFcns_d(callocptr, freeptr, reallocptr, freeptr, __FILE__, __LINE__)
#endif /* MATLAB_MEX_FILE */
#define mxSetCell(pa, index, value) mxSetCell_d(pa, index, value, __FILE__, __LINE__)
#define mxSetClassName(pa, name) mxSetClassName_d(pa, name, __FILE__, __LINE__)
#define mxSetData(pa, pd) mxSetData_d(pa, pd, __FILE__, __LINE__)
#define mxSetDimensions(pa, size, ndims) mxSetDimensions_d(pa, size, ndims, __FILE__, __LINE__)
#define mxSetField(pa, index, fieldname, value) mxSetField_d(pa, index, fieldname, value, __FILE__, __LINE__)
#define mxSetFieldByNumber(pa, index, fieldnum, value) mxSetFieldByNumber_d(pa, index, fieldnum, value, __FILE__, __LINE__)
#define mxSetImagData(pa, pid) mxSetImagData_d(pa, pid, __FILE__, __LINE__)
#define mxSetIr(pa, ir) mxSetIr_d(pa, ir, __FILE__, __LINE__)
#define mxSetJc(pa, jc) mxSetJc_d(pa, jc, __FILE__, __LINE__)
#define mxSetLogical(pa) mxSetLogical_d(pa, __FILE__, __LINE__)
#define mxSetM(pa, m) mxSetM_d(pa, m, __FILE__, __LINE__)
#define mxSetN(pa, n) mxSetN_d(pa, n, __FILE__, __LINE__)
#define mxSetName(pa, name) mxSetName_d(pa, name, __FILE__, __LINE__)
#define mxSetNzmax(pa, nzmax) mxSetNzmax_d(pa, nzmax, __FILE__, __LINE__)
#define mxSetPi(pa, pi) mxSetPi_d(pa, pi, __FILE__, __LINE__)
#define mxSetPr(pa, pr) mxSetPr_d(pa, pr, __FILE__, __LINE__)
#endif
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* matrix_h */
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Geert Craessaerts wrote:
Do you know what's wrong?
You need to link with the library where these functions are in.
That means, in the Project-Settings, Tab 'Link', under 'Object/library module', inset the name (maybe with path) of the .lib file.
My opinions may have changed, but not the fact that I am right.
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Vimal Earnest wrote:
extern "C"
{
#include "yourheader.h"
}
This is generally not a good idea. yourheader.h may include other header files that contain C++ code (windows system files, for example).
A better way to do it is to put
#if defined( __cplusplus )
extern "C" {
#endif // defined( __cplusplus )
inside yourheader.h before declarations (but after includes) and
#if defined( __cplusplus )
}
#endif // defined( __cplusplus )
inside yourheader.h at the end.
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How to nest a dynamic splitter window inside one pane of a static splitter window?
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This article sparked some interest for me, so I thought I'd learn some more about this area :
http://www.codeproject.com/useritems/DrvFltIp.asp
I'm attempting to write some TDI Driver Interface code, and need the Win2k DDK libraries. I have VC++ .NET Pro and these DDK libraries aren't available within the Visual Studio by default.
After visiting the MSDN site <http: www.microsoft.com="" ddk=""> :
"We will not be offering this DDK as a download on this Web site. However, it is part of the standard MSDN® subscription download and ships with the February 2003 edition."
I was curious as to whether anybody knew of an alternative download site, so as to provide immediate access to these ?
Many thanks  ,
Steve
ps : Apologies if this is the wrong forum, I'm assuming that the majority of drivers are written in VC++, so this msg may attract more people "in the know" 
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I couldn't find anything either and ordered the DDK a couple weeks ago. Had to pay shipping only and it arrived a few days ago.
Once they finally shipped the order it took only a day to arrive.
(but it took them awhile to ship the order. I kept getting notices
with estimated shipping dates long off.)
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Thanks for your reply Scott !
Looks like I'll have to bite the bullet and order !
It's not the money that bothers me, just the hassal factor and the time it takes !
Rgds,
Steve
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I have a dialog with a tabctrl. Every tab is made up of a dialog and controls that are placed on the dialog dynamically. Somehow when I select the tab (inner dialog) the main dialog looses the focus and also my buttons do not receive the BN_CLICKED message. Anyone got a clue as why this might be?
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Make sure your inner dialogs have the WS_CHILD style set. They need to be children of the main dialog (i.e. peers of the tab control). To properly give focus to the selected inner dialog's controls, do this:
pWndCurrentTab->ShowWindow (SW_SHOW);
pWndCurrentTab->Invalidate();
pWndCurrentTab->UpdateWindow();
pWndCurrentTab->BringWindowToTop();
/ravi
Let's put "civil" back in "civilization"
http://www.ravib.com
ravib@ravib.com
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Thanx for your reply. But my controls do have the WS_CHILD style set. Also I do not have problems with listctrl's. But maybe the problems lies deeper. My application consists of a view with a tabctrl and there several dll's that put the controls on this tabctrl (I did think this up myself). In case of the buttons I do not get the BN_CLICKED message and I did try once to overwrite the OnCommand of my tabactrl and that seems to (kinda) work, but then I still have the focus problem + when I try to add for example an ownerdraw button I do not get the WM_DRAWITEM message either. Still any thoughts 
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Hi all,
How to show a message box from a windows service ?
Any tips, pointers, links ?
Thanks in advance
~ Vimal
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add MB_SERVICE_NOTIFICATION flag in the MessageBox function
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Thanks.
Though the MB_SERVICE_NOTIFICATION flag is specified in the MSDN, the complier gives an "undeclared identifier" error on my windows 2000 machine  . But MB_DEFAULT_DESKTOP_ONLY does the trick.
~ Vimal
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Well, I think, that MB_SERVICE_NOTIFICATION have a little bit better behavior  .
Reason for "undeclared identifier" - you probably didn't set the windows version macros.
Just simply put following snippet before you will include <windows.h> header (usually included in stdafx.h)
<br />
#ifndef WINVER <br />
#define WINVER 0x0400<br />
#endif<br />
<br />
#ifndef _WIN32_WINNT<br />
#define _WIN32_WINNT 0x0400<br />
#endif <br />
<br />
#ifndef _WIN32_WINDOWS<br />
#define _WIN32_WINDOWS 0x0410 <br />
#endif<br />
<br />
#ifndef _WIN32_IE<br />
#define _WIN32_IE 0x0400<br />
#endif<br />
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Thanks again. True I didn't set the version macros.I compiled the code after including the _WIN32_WINNT macro and MB_SERVICE_NOTIFICATION works fine.
~ Vimal
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You should use SERVICE_INTERACTIVE_PROCESS in dwServiceType while creating the service (In CreateService()).
(You can use also do this manually by going to services window and changing to property of the service and checking "Allow service to interact with desktop" under Log On As group.
Praveen
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Hi.
I'm still running Micr. Visual Studio 5.0 Entreprise Edition, but i don't get the member list.
for example
CWinApp* pApp = AfxGetApp();
pApp->
then you should see the member list of pApp, but i never see it. I've deleted the .ncb file & reloaded the workspace didn't work neither. Anyone knows if there is a patch out to fix this bug?
Would appreciate it much.
Greetings
Jens
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Thanx for showing interest.
By 'blocking' a packet I mean that I want certain packets not to reach their destination. Actually I mean to say is that I want to make an application which would let only those packets to pass which are allowed by me and block or discard those packets which are not allowed by me to further pass on.(i.e some thing like a firewall ). I am interested in using WINSOCK2 lib. Plz dont refer me to work on driver.
E.g Lets say I want that TCP packet should not reach their destinatin but ICMP packets should e.t.c.
Reply me soon
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AFAIK, there is no way how to do it with winsock (without developing a driver).
If you are allowed to use only W2K Server and W.NET Server there is a possibility to use the packet filtering in Routing and Remote Access Service.
For XP(Home+Professional) only, you can use Internet Connection Sharing/Firewall.
Other way is - go driver way - but you don't need to develop your own driver - I think, there are some drivers available on internet also with src code, where they have DLL with exported functions for configuring the filters. I know one personally, the name is something like pcaplib or similar, you have to look for windows version of course.
another links I found while 1 minute googling:
www.pcausa.com
http://www.ntkernel.com/products/winpkfilter.shtml
...
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I got an message saying that module User.exe in Frame caused an General protection falut at 0007:0000b35e.How to debug this problem.This ocured once in Win2000 and once in WinNT
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Hi,
how can I get all the user names and machine numbers those are in a domain by selecting the domain names??can anybody give me some sample code?thanks in advance....
BR
Thomas
ThomasKennedyBose
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Hi,
I have an exe being launching from a service using CreateProcess() call. As you know that the service is run in SYSTEM' (Default User') context and not in logged user' context. In my .exe, I have File Save option. When the FIle Save dialog comes up, it shows the desktop of the Default User and not of the user who has logged in. I want the File Save dialog to come up with the logged on User' profile (Desktop, My Documents, History, etc). Has anybody faced this problem earlier?
Please let me know if you have faced this problem before and if you have solved the defect or if you have a workaround for this.
Thanks.
Praveen
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thanks for the quick reply. But the problem here is that I do not have know who has logged in and what is his password. For CreateProcessWithLogonW, we need the username and the password. I thought of using CreateProcessAsUser. But there also I do not know how to get the token that represents the user. If you could help me in giving some piece of code, I would be greatful.
Thanks again!
Praveen
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