test.c

来自「WIN32的简单模式。根据向导建立的WIN32代码」· C语言 代码 · 共 60 行

#include <windows.h>
LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)//回调函数
{
  	switch (message)
  	{
 	case WM_DESTROY:	// 现在只处理结束消息
		PostQuitMessage (0) ;//退出
		return 0 ;
  	}
  	return DefWindowProc (hwnd, message, wParam, lParam) ;//让windows处理其他消息
}

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, PSTR szCmdLine, int iCmdShow)
{
	HWND hwnd;
	MSG msg;
	static TCHAR szAppName[] = TEXT ("HelloWin") ;
	WNDCLASS wndclass;

	wndclass.style = CS_VREDRAW || CS_HREDRAW ;
	wndclass.lpfnWndProc = WndProc;
	wndclass.cbClsExtra = 0;
	wndclass.cbWndExtra = 0;
	wndclass.hCursor = LoadCursor(NULL,IDC_ARROW);
	wndclass.hIcon = LoadIcon(NULL, IDI_APPLICATION);
	wndclass.hInstance = hInstance;
	wndclass.lpszMenuName = NULL;
	wndclass.lpszClassName = szAppName;
	wndclass.hbrBackground = (HBRUSH) GetStockObject(GRAY_BRUSH);

	if(!RegisterClass(&wndclass))
	{
		MessageBox(NULL, TEXT ("This program requires windows NT!"), szAppName, MB_ICONERROR);
		return 0;
	}

	hwnd = CreateWindow(
						szAppName,
						TEXT("hello program"),
						WS_OVERLAPPEDWINDOW,
						CW_USEDEFAULT,
						CW_USEDEFAULT,
						CW_USEDEFAULT,
						CW_USEDEFAULT,
						NULL,
						NULL,
						hInstance,
						NULL);

	ShowWindow(hwnd,iCmdShow);
	UpdateWindow(hwnd);

	while(GetMessage(&msg, 0, 0, 0))
	{
		TranslateMessage(&msg);
		DispatchMessage(&msg);
	}

	return msg.wParam;
}