程序代码：

#include<windows.h>
#include<stdio.h>
#include"resource.h"
HINSTANCE hInstance=0;
BOOL CALLBACK DlgProc(HWND hDlg, UINT msg, WPARAM wParam, LPARAM lParam)
{
    int buffer1=0 ;
    char* buffer2 = {0};
    switch (msg)
    {
    case WM_INITDIALOG:
        return TRUE;
    case WM_CLOSE:
        if (MessageBoxA(hDlg, "are you sure to close?", "Close?", MB_YESNO | MB_ICONQUESTION) == IDYES)
        EndDialog(hDlg, 0);
        break;
    case WM_COMMAND:
        switch (LOWORD(wParam))
        {
        case IDC_EDIT1:
    
            break;
        case IDC_EDIT2:
            
            break;
        }
        return TRUE;
    }
    return FALSE;
}
int main()
{
    hInstance=GetModuleHandleA(NULL);

    DialogBoxA(hInstance, (char*)IDD_DIALOG3, NULL, DlgProc);
    return 0;
}