windows编程初步
#include <windows.h>
const char g_szClassName[] = "myWindowClass";
LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
switch(msg)
{
case WM_LBUTTONDOWN:
{
printf("you have clicked left_button once!\n");
//answer：
MessageBox(hwnd, TEXT("你点击了左键一下！"), TEXT("通知"), MB_OK | MB_ICONINFORMATION);
char szFileName[MAX_PATH];
//GetModuleHandle()的说明指出传给它一个NULL会返回一个创建发出调用进程的文件句柄
HINSTANCE hInstance = GetModuleHandle(NULL);
//消息处理函数
GetModuleFileName(hInstance, szFileName, MAX_PATH);
MessageBox(hwnd, szFileName, "This program is:", MB_OK | MB_ICONINFORMATION);
}
break;
case WM_RBUTTONDOWN:
{
printf("you have clicked right_button once!\n");
//answer：
MessageBox(hwnd, TEXT("你点击了右键一下！"), TEXT("通知"), MB_OK | MB_ICONINFORMATION);
char szFileName[MAX_PATH];
//GetModuleHandle()的说明指出传给它一个NULL会返回一个创建发出调用进程的文件句柄
HINSTANCE hInstance = GetModuleHandle(NULL);
//消息处理函数
GetModuleFileName(hInstance, szFileName, MAX_PATH);
MessageBox(hwnd, szFileName, "This program is:", MB_OK | MB_ICONINFORMATION);
}
break;
case WM_MBUTTONDOWN:
{
printf("you have clicked middle_button once!\n");
//answer：
MessageBox(hwnd, TEXT("你点击了中键一下！"), TEXT("通知"), MB_OK | MB_ICONINFORMATION);
char szFileName[MAX_PATH];
//GetModuleHandle()的说明指出传给它一个NULL会返回一个创建发出调用进程的文件句柄
HINSTANCE hInstance = GetModuleHandle(NULL);
//消息处理函数
GetModuleFileName(hInstance, szFileName, MAX_PATH);
MessageBox(hwnd, szFileName, "This program is:", MB_OK | MB_ICONINFORMATION);
}
break;
case WM_CLOSE:
{
DestroyWindow(hwnd);
printf("windows closed!\n");
}
break;
case WM_DESTROY:
{
PostQuitMessage(0);
printf("windows destroied!\n");
}
break;
default:
return DefWindowProc(hwnd, msg, wParam, lParam);
}
return 0;
}
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
LPSTR lpCmdLine, int nCmdShow)
{
WNDCLASSEX wc;
HWND hwnd;
MSG Msg;
wc.cbSize = sizeof(WNDCLASSEX);
wc.style = 0;
wc.lpfnWndProc = WndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hInstance;
wc.hIcon = LoadIcon(NULL, IDI_APPLICATION);
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
wc.lpszMenuName = NULL;
wc.lpszClassName = g_szClassName;
wc.hIconSm = LoadIcon(NULL, IDI_APPLICATION);
if(!RegisterClassEx(&wc))
{
MessageBox(NULL, "Window Registration Failed!", "Error!",
MB_ICONEXCLAMATION | MB_OK);
return 0;
}
hwnd = CreateWindowEx(
WS_EX_CLIENTEDGE,
g_szClassName,
"The title of my window",
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT, 240, 120,
NULL, NULL, hInstance, NULL);
if(hwnd == NULL)
{
MessageBox(NULL, "Window Creation Failed!", "Error!",
MB_ICONEXCLAMATION | MB_OK);
return 0;
}
ShowWindow(hwnd, nCmdShow);
UpdateWindow(hwnd);
while(GetMessage(&Msg, NULL, 0, 0) > 0)
{
TranslateMessage(&Msg);
DispatchMessage(&Msg);
}
return Msg.wParam;
}
