vc++ windows程式設計初步代碼

#include<windows.h><br />#include<stdlib.h><br />#include<string.h><br />#include<tchar.h><br />HINSTANCE hInst;<br />WNDCLASSEX wcex;<br />WNDCLASSEX DesignWindowClass(HINSTANCE);<br />LRESULT CALLBACK WndProc(HWND ,UINT,WPARAM,LPARAM);<br />//------------------------------------------------------------------<br />//WinMain Windows應用入口函數<br />//------------------------------------------------------------------<br />int WINAPI WinMain(HINSTANCE hInstance,<br /> HINSTANCE hPrevInstance,<br /> LPSTR lpCmdLine,<br /> int nCmdShow)<br />{<br />wcex = DesignWindowClass(hInstance);<br />//註冊視窗<br />if(!RegisterClassEx(&wcex))<br />{<br />MessageBox(NULL,_T("Call to RegisterClassEx failed!"),_T("Win32 Guided Tour"),NULL);<br />return 1;<br />}<br />hInst =hInstance;<br />HWND hWnd = CreateWindow(<br />"szWindowClass",<br />"szTitle",<br />WS_OVERLAPPEDWINDOW,<br />CW_USEDEFAULT, CW_USEDEFAULT,<br />500, 100,<br />NULL,<br />NULL,<br />hInstance,<br />NULL<br />);<br />if(!hWnd)<br />{<br />MessageBox(NULL,<br />_T("Call to CreateWindow failed!"),<br />_T("Win32 Guided Tour"),<br />NULL);<br />return 1;<br />}<br />//顯示表單，更新表單<br />ShowWindow(hWnd,nCmdShow);<br />UpdateWindow(hWnd);<br />MSG msg;<br />//訊息迴圈<br />while(GetMessage(&msg,NULL,0,0))<br />{<br />TranslateMessage(&msg);<br />DispatchMessage(&msg);<br />}<br />return (int)msg.wParam;<br />}<br />//---------------------------------------------------------------<br />//WinProc Windows回呼函數<br />//---------------------------------------------------------------<br />LRESULT CALLBACK WndProc(HWND hWnd,UINT message,<br /> WPARAM wParam,LPARAM lParam)<br />{<br />PAINTSTRUCT ps;<br />HDC hdc;<br />TCHAR greeting[] =_T("hello world");<br />switch(message)<br />{<br />case WM_PAINT:<br />hdc=BeginPaint(hWnd,&ps);<br />break;<br />case WM_DESTROY:<br />PostQuitMessage(0);<br />break;<br />default:<br />return DefWindowProc(hWnd,message,wParam,lParam);<br />}<br />return 0;<br />}<br />//-------------------------------------------------------------------<br />//DesignWindowClass 設計視窗<br />//-------------------------------------------------------------------<br />WNDCLASSEX DesignWindowClass(HINSTANCE hInstance){<br />WNDCLASSEX wcex;<br />wcex.cbSize =sizeof(WNDCLASSEX);<br />wcex.style =CS_HREDRAW|CS_VREDRAW;<br />wcex.lpfnWndProc =WndProc;<br />wcex.cbClsExtra =0;<br />wcex.cbWndExtra =0;<br />wcex.hInstance =hInstance;<br />wcex.hIcon =LoadIcon(hInstance,MAKEINTRESOURCE(IDI_APPLICATION));<br />wcex.hCursor =LoadCursor(NULL,IDC_ARROW);<br />wcex.hbrBackground =(HBRUSH)(COLOR_WINDOW+1);<br />wcex.lpszMenuName =NULL;<br />wcex.lpszClassName ="szWindowClass";<br />wcex.hIconSm =LoadIcon(hInstance,MAKEINTRESOURCE(IDI_APPLICATION));<br />return wcex;<br />}