C / C++ / MFC

C:\msway\mswayView.cpp(169) : error C2664: 'SysAllocString' : cannot convert parameter 1 from 'char *' to 'const unsigned short *'

Public Function MakeDB(txtPMAFilename As String, dataBaseName As String)

  CString dataBaseName0 = "C:\\Image.mdb";

  CString strFile0 = "C:\\Trainer\\final1.txt";

  char* dataBaseName = new char[dataBaseName0.GetLength() +1];

  strcpy(dataBaseName, dataBaseName0);

  <code>_bstr_t b_dataBaseName = SysAllocString (dataBaseName);</code>

   char* strFile = new char[strFile0.GetLength() +1];

  strcpy(strFile, strFile0);

<code>  _bstr_t b_strFile = SysAllocString (strFile);</code>

   //short st1;
  // Declare the Interface Pointer for your Visual Basic object. Here,
  // _Class1Ptr is the Smart pointer wrapper class representing the
  // default interface of the Visual Basic object.

  _Class1Ptr ptr;
  // Create an instance of your Visual Basic object, here
  // __uuidof(Class1) gets the CLSID of your Visual Basic object.

   ptr.CreateInstance(__uuidof(Class1));

    <code>ptr->MakeDB( b_strFile, b_dataBaseName);</code>

    SysFreeString (b_dataBaseName);

    SysFreeString (b_strFile);

ptr->FillString(&myBstrString)

Function FillString(ByRef a as String)

a ="filledByVB"

ptr->FillString( myBstrString);

ptr->MakeDB ( CComBSTR(LPCTSTR(myFile)), CComBSTR(LPCTSTR(dbName)) );

#import "c:\Program Files\Common Files\system\ado\msadox.dll" no_namespace 

#import "c:\Program Files\Common Files\system\myVBCOM.dll" no_namespace