C / C++ / MFC

#define WIN32_LEAN_AND_MEAN

#include <windows.h>
#include <process.h>
#include "resource.h"
#include <stdio.h>



#define WM_THREAD_COMPLETE WM_USER+1

typedef void (*voidFuncPtr)(void*);

typedef struct
{
    int delayMs;
    int myThreadId;
    voidFuncPtr callbackFunc;
    long winThreadId;
    uintptr_t handle;
} threadHeader_t;


HINSTANCE hInst;
HWND mainDlgHwnd;
threadHeader_t threadList[10];


unsigned int __stdcall myThreadFunc(void *data)
{
    threadHeader_t *header;
    header = (threadHeader_t *)data;
    printf("In thread func %d, delay %dMs\n", header->myThreadId, header->delayMs);
    Sleep(header->delayMs);
    if (header->callbackFunc)
        header->callbackFunc(header);
    return ERROR_SUCCESS;
}

void myCompletionCallback(void *data)
{
    threadHeader_t *header;
    header = (threadHeader_t *)data;
    PostMessage(mainDlgHwnd, WM_THREAD_COMPLETE, header->myThreadId, 0);
}

void onTestBtn()
{
    int i;

    for (i=0; i<10; i++)
    {
        threadList[i].callbackFunc = myCompletionCallback;
        threadList[i].delayMs = (10-i)*1000;
        threadList[i].myThreadId = i;
        threadList[i].handle = _beginthreadex(NULL, 0, myThreadFunc, &threadList[i], 0, (unsigned *)&threadList[i].winThreadId);
    }
}


BOOL CALLBACK DialogProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
    switch(uMsg)
    {
        case WM_INITDIALOG:
            mainDlgHwnd = hwndDlg;
            return TRUE;

        case WM_CLOSE:
            EndDialog(hwndDlg, 0);
            return TRUE;

        case WM_THREAD_COMPLETE:
            MessageBeep(MB_OK);
            return true;

        case WM_COMMAND:
            switch(LOWORD(wParam))
            {
                case IDC_BTN_TEST:
                    onTestBtn();
                    return TRUE;

                case IDC_BTN_QUIT:
                    EndDialog(hwndDlg, 0);
                    return TRUE;
            }
    }

    return FALSE;
}


int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nShowCmd)
{
    hInst = hInstance;
    return DialogBox(hInstance, MAKEINTRESOURCE(DLG_MAIN), NULL, (DLGPROC)DialogProc);
}

jkirkerx wrote:

I 'm not really sure what MFC is

jkirkerx wrote:

Does it make real windows programs?.

void CScreenShotDlg::OnPaint()
{
    // device context for painting
    CPaintDC dc(this);

    // Get the window handle of the application.
    HWND hWnd = ::FindWindow( 0, _T( "myWindow" ));

    // Take screenshot.
    PrintWindow( hWnd,
                 dc.GetSafeHdc(),
                 0 );
}

CliffRat wrote:

The problem is that some locales/languages cannot be set with this method per MS

// crt_locale.c
/* Sets the current locale to "Germany" using the
 * setlocale function and demonstrates its effect on the strftime
 * function.
 */

#include <stdio.h>
#include <locale.h>
#include <time.h>

int main(void)
{
       time_t ltime;
       struct tm *thetime;
       unsigned char str[100];

       setlocale(LC_ALL, "German");
       time (&ltime);
       thetime = gmtime(&ltime);

       /* %#x is the long date representation, appropriate to
        * the current locale
        */
       if (!strftime((char *)str, 100, "%#x", 
                     (const struct tm *)thetime))
               printf("strftime failed!\n");
       else
               printf("In German locale, strftime returns '%s'\n", 
                      str);

       /* Set the locale back to the default environment */
       setlocale(LC_ALL, "C");
       time (&ltime);
       thetime = gmtime(&ltime);

       if (!strftime((char *)str, 100, "%#x", 
                     (const struct tm *)thetime))
               printf("strftime failed!\n");
       else
               printf("In 'C' locale, strftime returns '%s'\n", 
                      str);
}

CliffRat wrote:

The problem is that some locales/languages cannot be set with this method per MS (