myfirstdialog.cpp

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#include <Windows.h>
#include "resource.h"

//对话框程序
BOOL CALLBACK DlgProc (HWND hDlg, UINT message,WPARAM wParam, LPARAM lParam)
{
    switch (message)
    {
    case WM_INITDIALOG:

        return TRUE;

    case WM_COMMAND://处理按钮命令
        if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL)
        {
            DestroyWindow(hDlg);
            PostQuitMessage(0);
            return (INT_PTR)TRUE;
        }
        break;
    default :

        return FALSE ;
    }

    return FALSE ;
}

int WINAPI WinMain(	HINSTANCE hinstance,
                   HINSTANCE hprevinstance,
                   LPSTR lpcmdline,
                   int ncmdshow)
{

    MSG msg;

    //1、创建对话框
    HWND hDlgModeless = CreateDialog(hinstance,
        MAKEINTRESOURCE(IDD_DIALOG1),NULL,DlgProc) ;

    //2、显示对话框
    ShowWindow (hDlgModeless, SW_SHOW) ;


    //3、消息循环
	while (GetMessage (&msg, NULL, 0, 0))
	{
		TranslateMessage (&msg) ;
		DispatchMessage  (&msg) ;
	}

}