如何创建一个最简单的Windows桌面应用程序

三部分：

WinMain（主函数）

WinProc（消息处理函数）

...（自定义的函数）

不知道你是什么编译器

如果跟我一样，欢迎追问告诉你创建步骤！

另外附一个小程序（需要用到外部库、文件、函数，请勿尝试编译）

#include 
#include 
#include 
#include 
#pragma comment(lib,"msimg32")

#define Window_FullWidth 864
#define Window_FullHeight 540
#define Screen_FullWidth GetSystemMetrics(SM_CXSCREEN)
#define Screen_FullHeight GetSystemMetrics(SM_CYSCREEN)

#define Game_Menu
#define Game_Load
#define Game_Play
#define Game_Pause
#define Game_Over

HDC g_hdc,m_hdc,t_hdc;
HBITMAP bm,bk,bg,background;
HFONT hfont;
BLENDFUNCTION bf;
FILE *fp;
POINT p;

int bTrans,bTrans_add=1;

void game_Init(HWND hwnd);
void game_Play(HWND hwnd);
void game_check(HWND hwnd);
void game_Paint(HWND hwnd);
void game_reset(HWND hwnd);
void game_Clear(HWND hwnd);
LRESULT CALLBACK WndProc(HWND hwnd, UINT Message, WPARAM wParam, LPARAM lParam);

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) {
	WNDCLASSEX wc; 	HWND hwnd; 
	MSG msg;
	
	memset(&wc,0,sizeof(wc));
	wc.cbSize		 = sizeof(WNDCLASSEX);
	wc.lpfnWndProc	 = WndProc;
	wc.hInstance	 = hInstance;
	wc.hCursor		 = LoadCursor(NULL, IDC_ARROW);
	
	wc.hbrBackground = NULL;
	wc.lpszClassName = "WindowClass";
	wc.hIcon		 = LoadIcon(hInstance,"DICO");
	wc.hIconSm		 = LoadIcon(hInstance,"DICO");

	if(!RegisterClassEx(&wc)) {
		MessageBox(NULL, "Window Registration Failed!","Error!",MB_ICONEXCLAMATION|MB_OK);
		return 0;
	}

	hwnd = CreateWindowEx(WS_EX_CLIENTEDGE,"WindowClass","",WS_VISIBLE|WS_OVERLAPPEDWINDOW^WS_THICKFRAME^WS_MINIMIZEBOX^WS_MAXIMIZEBOX,
	       (Screen_FullWidth-Window_FullWidth)/2,(Screen_FullHeight-Window_FullHeight)/2,Window_FullWidth,Window_FullHeight,NULL,NULL,hInstance,NULL);

	if(hwnd == NULL) {
		MessageBox(NULL, "Window Creation Failed!","Error!",MB_ICONEXCLAMATION|MB_OK);
		return 0;
	}
	
	game_Init(hwnd);
	
    ShowWindow(hwnd,nCmdShow);  
    UpdateWindow(hwnd); 
    
    srand(time(NULL));
    	
	game_reset(hwnd);
    
	while (msg.message != WM_QUIT)  {
	if (PeekMessage(&msg,0,0,0,PM_REMOVE))
        {  
            TranslateMessage(&msg);
            DispatchMessage(&msg); 
        }  
        else
        {
        	int start_clock_count=clock();
        	
        	game_Play(hwnd);
        	game_Paint(hwnd);
            
            while(clock()-start_clock_count<30);
        }
    }
	return msg.wParam;
}

void game_Init(HWND hwnd)
{
	char s[20]; HINSTANCE hInstance;
	
	t_hdc = GetDC(hwnd);
	g_hdc = CreateCompatibleDC(t_hdc);
    m_hdc = CreateCompatibleDC(g_hdc);
    
    background = CreateCompatibleBitmap(t_hdc,Window_FullWidth,Window_FullHeight);
    
    bg = (HBITMAP) LoadImage(GetModuleHandle(0),"res\\day.bmp",IMAGE_BITMAP,0, 0, LR_LOADFROMFILE | LR_CREATEDIBSECTION);
    bk = (HBITMAP) LoadImage(GetModuleHandle(0),"res\\black.bmp",IMAGE_BITMAP,0, 0, LR_LOADFROMFILE | LR_CREATEDIBSECTION);
    
    bf.BlendOp              = AC_SRC_OVER;
    bf.BlendFlags           = 0;
    bf.SourceConstantAlpha  = bTrans;
    bf.AlphaFormat          = 0;
}

void game_Paint(HWND hwnd)
{
	SelectObject(g_hdc,background);
	
	SelectObject(m_hdc,bg);
	BitBlt(g_hdc,0,0,100,100,m_hdc,0,0,SRCCOPY);
	
	SelectObject(m_hdc,bk);
	BitBlt(g_hdc,0,0,300,300,m_hdc,0,0,SRCCOPY);
	
	BitBlt(t_hdc,0,0,Window_FullWidth,Window_FullHeight,g_hdc,0,0,SRCCOPY);
}

void game_Play(HWND hwnd)
{
	if(bTrans==255) bTrans_add=-1; if(bTrans==0) bTrans_add=1;
	
	bTrans+=5*bTrans_add; bf.SourceConstantAlpha = bTrans;
}

void game_check(HWND hwnd)
{
	
}

void game_reset(HWND hwnd)
{

}

void game_Clear(HWND hwnd)
{
	ReleaseDC(hwnd,t_hdc); 
	DeleteObject(g_hdc);
    DeleteObject(hfont);   
    DeleteObject(m_hdc);
    DeleteObject(bm);
}


LRESULT CALLBACK WndProc(HWND hwnd, UINT Message, WPARAM wParam, LPARAM lParam) {
	
	p.x=LOWORD(lParam);  p.y=HIWORD(lParam);
	
	switch(Message) { 
        	
		case WM_DESTROY: {
			game_Clear(hwnd);
			PostQuitMessage(0);
			break;
		}		
			
		default:
			return DefWindowProc(hwnd, Message, wParam, lParam);
	}
	return 0;
}