C / C++ / MFC

Re: COleDateTime AddDays()

14-Jun-05 2:10

Something like:

COleDateTime today = COleDateTime::GetCurrentTime();
COleDateTimeSpan oneDay(1, 0, 0, 0);
COleDateTime tomorrow = today + oneDay;

"Ideas are a dime a dozen. People who put them into action are priceless." - Unknown

DanYELL14-Jun-05 5:56

DanYELL

14-Jun-05 5:56

Is there any easy way to add a month, a half-year or a year to
the current date using COleDateTimeSpan?

Re: COleDateTime AddDays()

David Crow14-Jun-05 3:03

Convert CString to CTime / COleDateTime

14-Jun-05 3:03

DanYELL wrote:
Is there any easy way to add a month...to
the current date using COleDateTimeSpan?

Sure there is. Given that you know what month it is, just add the number of days in the current month and you'll get the same date in the next month. For example, today is June 14th. June has 30 days. Add 30 days to June 14th and we get July 14th. Make sense?

"Ideas are a dime a dozen. People who put them into action are priceless." - Unknown

P-Rex14-Jun-05 4:39

P-Rex

14-Jun-05 4:39

Hi guys,

I have a string, for example '1085462900'. I have to convert this string into a CTime / COleDateTime value. How can i do this?
I get this string from a oracle database.

P. Cool | :cool:

David Crow14-Jun-05 2:07

14-Jun-05 2:07

What does that number represent?

"Ideas are a dime a dozen. People who put them into action are priceless." - Unknown

P-Rex14-Jun-05 5:17

P-Rex

14-Jun-05 5:17

This number represents Date and Time. The field on the database is from type int which contains this number.

David Crow14-Jun-05 2:22

14-Jun-05 2:22

P-Rex wrote:
This number represents Date and Time.

I figured that much out. Is it the number of seconds since a particular date? Is it the BCD form of a date? Be specific.

"Ideas are a dime a dozen. People who put them into action are priceless." - Unknown

DavidR_r14-Jun-05 8:00

DavidR_r

14-Jun-05 8:00

Just for the common knowlege. This number is called UTC time and represents the number of seconds ellapsed since 1.1.1970, it is 0+ GMT time zone without day light saving addition

DavidR

David Crow14-Jun-05 8:04

14-Jun-05 8:04

DavidR_r wrote:
This number is called UTC time and represents the number of seconds ellapsed since 1.1.1970...

Ok, both CTime and ColeDateTime have constructors for handling such a value.

"Ideas are a dime a dozen. People who put them into action are priceless." - Unknown

JWood14-Jun-05 6:03

JWood

14-Jun-05 6:03

try

CTime ct = CTime((time_t)(_atoi((const char*)cs)));

and see if it matches the Oracle value

make stacktrace or what calls DllCanUnloadNow?

P-Rex14-Jun-05 20:22

P-Rex

14-Jun-05 20:22

Thank you guys

it works fine

ThinkingPrometheus14-Jun-05 4:21

ThinkingPrometheus

14-Jun-05 4:21

hiho@ll

i have some trouble with a browser helper object

using Internet Explorer is no problem, but if i close IE i get an Error message (somethings reading from space which it isn't allowed)
i traced a bit using MessageBox Frown | :-(

and i found that the helper object destroys itself correctly using the WindowProc WM_Destroy event
then i get the error
and then DllCanUnloadNow is called successfully!

so what function is normally between the destroy windowproc and dllcanunloadnow?

thx@ll

Looking for Dialog Manager component for VC++ 7.

mlatimer14-Jun-05 4:00

mlatimer

14-Jun-05 4:00

Hi all

Wonder if you can help me, we are currently programing in MFC for our app which is dialog based - floating windows with 2 dialogs.

Our plans require more dialogs and a way to manage them on screen. What are are looking to do is create a "docking" architeture simlar to the toobars used in Photoshop (but at teh application top level).

Does anyone know of a component or toolkit that allows / helps build a dialog based UI with docking (allowing multiple dialogs to doc) / rollups etc ... or have any pointers or construction ideas?

All help very gratefully recived...

How to run a thread as a member function of a class?

Eytukan14-Jun-05 3:45

Re: How to run a thread as a member function of a class?

14-Jun-05 3:45

i used CWinThread.. the error message i'm getting is TrayDialog.obj : error LNK2001: unresolved external symbol "public: __thiscall CTrayDialog::CTrayDialog(void)" (??0CTrayDialog@@QAE@XZ).Please help..

CWinThread *pThread;

UINT Thread(LPVOID lp)
{
while(1)
{
AfxMessageBox("In Thread!");
Sleep(300);
}
return 0;
}

void CTrayDialog::TestThread()
{
CTrayDialog *obj;
obj=new CTrayDialog;
pThread=AfxBeginThread(Thread,obj);
}

thanks,
vivek

Bob Stanneveld14-Jun-05 4:08

Bob Stanneveld

14-Jun-05 4:08

Hello,

Add the following lines of code to TrayDialog.cpp:

CTrayDialog::CTrayDialog() : CDialog(NULL, CTrayDialog::IDD)
{
}

What you are doing here is add the unresolved external symbol (the default contructor), but I think that you need an other solution: change the following code:

void CTrayDialog::TestThread()
{
    CTrayDialog *obj;
    obj=new CTrayDialog; 
    pThread=AfxBeginThread(Thread,obj);
}

to:

void CTrayDialog::TestThread()
{
    CTrayDialog *obj;
    obj=new CTrayDialog(this); 
    pThread=AfxBeginThread(Thread,obj);
}

Hope this helps. Big Grin | :-D

Behind every great black man...
... is the police. - Conspiracy brother

Blog[^]

Re: How to run a thread as a member function of a class?

Eytukan14-Jun-05 1:43

Re: How to run a thread as a member function of a class?

14-Jun-05 1:43

thanks for ur help... but,
:(Compiling...
TrayDialog.cpp
D:\CLTRK\CLTRK02\TrayDialog.cpp(40) : error C2039: 'IDD' : is not a member of 'CTrayDialog'
d:\cltrk\cltrk02\traydialog.h(39) : see declaration of 'CTrayDialog'
D:\CLTRK\CLTRK02\TrayDialog.cpp(40) : error C2065: 'IDD' : undeclared identifier
D:\CLTRK\CLTRK02\TrayDialog.cpp(487) : error C2664: '__thiscall CTrayDialog::CTrayDialog(unsigned int,class CWnd *)' : cannot convert parameter 1 from 'class CTrayDialog *const ' to 'unsigned int'
This conversion requires a reinterpret_cast, a C-style cast or function-style cast
Error executing cl.exe.

MyTrayDlg.obj - 2 error(s), 0 warning(s)

what to do now bob? what's that IDD?

vivek

Bob Stanneveld14-Jun-05 1:49

Bob Stanneveld

14-Jun-05 1:49

Normally, when you use MFC and you create a dialog class, this class has a member called IDD. This is the dialog resource (how the windows looks and what controls are on it).

Since I don't know your classes, I don't know why you don't have them, but you can remove the line: : CDialog(...).

viveking wrote:

D:\CLTRK\CLTRK02\TrayDialog.cpp(487) : error C2664: '__thiscall CTrayDialog::CTrayDialog(unsigned int,class CWnd *)' : cannot convert parameter 1 from 'class CTrayDialog *const ' to 'unsigned int'

I must have switched the parameters. So the dialog resource comes second instead of first. If you are wondering what the other parameter is, it's the parent window of the dialog.

Behind every great black man...
... is the police. - Conspiracy brother

Blog[^]

Re: How to run a thread as a member function of a class?

Eytukan14-Jun-05 1:55

Re: How to run a thread as a member function of a class?

14-Jun-05 1:55

forget everything.... i'll come with a simpler example.. please wait. Confused | :confused:

vivek

Eytukan14-Jun-05 2:06

Re: How to run a thread as a member function of a class?

14-Jun-05 2:06

Though it looks primitive.. please dont ignore..
see the class test with its data member "text" and function "disp()"
i wanna access it from the Thread1 and Thread2..

#include <afxwin.h>
#include<afxext.h>
#include<stdio.h>

char fValue[10];
CWinThread *pThread1,*pThread2;

UINT Thread1(LPVOID lp)
{
CClientDC cdc(AfxGetApp()->m_pMainWnd);
int j=250;
for(int i=1;i<=600;i++)
{
cdc.TextOut(i,j,"Thread1");
cdc.SetBkColor(0x0009999);
Sleep(6);
strcpy(fValue,"Thread1");
Text = fValue; ///// I WANT TO ACCESS THE DATA MEMBER "TEXT" FROM CLASS TEST//
cdc.TextOut(500,500,Text);
}
disp();/// HOW TO ACCESS MEMBER FUNCTION "DISP" FROM CLASS TEST//
return 0;
}

UINT Thread2(LPVOID lp)
{

CClientDC cdc(AfxGetApp()->m_pMainWnd);
cdc.SetBkColor(0x0990009);
int j=280;
for(int i=1;i<=600;i++)
{
cdc.TextOut(i,j,"Thread1");
Sleep(5);
strcpy(fValue,"Thread2");
Text = fValue;///// I WANT TO ACCESS THE DATA MEMBER "TEXT" FROM CLASS "TEST"//
cdc.TextOut(500,500,Text);

}

disp();/// HOW TO ACCESS MEMBER FUNCTION "DISP" FROM CLASS TEST//
return 0;
}

class test
{
public:

CString Text;

void disp()
{
AfxMessageBox(Text);
}
};

CMenu cm;

class MyWindow: public CFrameWnd , public test
{
public:
MyWindow()
{
Create(0,"Threads of MFC");
}

void q()
{
PostQuitMessage(0);
}

void Threads()
{
AfxMessageBox("Starting....");
}
DECLARE_MESSAGE_MAP()
};

BEGIN_MESSAGE_MAP(MyWindow,CFrameWnd)
END_MESSAGE_MAP()

class MyWin:public CWinApp
{
public :

BOOL InitInstance()
{
MyWindow *x;
x=new MyWindow;
m_pMainWnd=x;

pThread1=AfxBeginThread(Thread1,x);
pThread2=AfxBeginThread(Thread2,x);

x->ShowWindow(SW_SHOWMAXIMIZED);
return 1;
}
};
MyWin App;

thanks bob,
vivek

David Crow14-Jun-05 2:20