4.1 图标资源 光标资源

#include #include "resource.h"HINSTANCE g_hInstance = 0;LRESULT CALLBACK WndProc(HWND hWnd, UINT msgID, WPARAM wParam, LPARAM lParam){    switch (msgID)    {    case WM_SETCURSOR:                {            HCURSOR hCur = LoadCursor(g_hInstance, (char*)IDC_CURSOR2);            if (LOWORD(lParam) == HTCLIENT)            {//客户区                SetCursor(hCur);            }            else//非客户区            {            }                    }        break;    case WM_DESTROY:        PostQuitMessage(0);        break;    }    return DefWindowProc(hWnd, msgID, wParam, lParam);}//入口函数int CALLBACK WinMain(HINSTANCE hIns, HINSTANCE hPreIns, LPSTR IpCmdLine, int nCmdShow){    g_hInstance = hIns;    //注册窗口类    WNDCLASS wc = { 0 };    wc.cbClsExtra = 0;    wc.cbWndExtra = 0;    wc.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);    wc.hCursor = LoadCursor(hIns,(char*)IDC_CURSOR1);    wc.hIcon = LoadIcon(hIns,(char*)IDI_ICON1);    //wc.hIcon = NULL;    wc.hInstance = hIns;    wc.lpfnWndProc = WndProc;    wc.lpszClassName = "Main";    wc.lpszMenuName = NULL;    wc.style = CS_HREDRAW | CS_VREDRAW;    RegisterClass(&wc);    //在内存创建窗口    HWND hWnd = CreateWindowEx(0, "Main", "window", WS_OVERLAPPEDWINDOW, 100, 100, 500, 500, NULL, NULL, hIns, NULL);    //显示窗口    ShowWindow(hWnd, SW_SHOW);    UpdateWindow(hWnd);    //消息循环    MSG nMsg = { 0 };    while (GetMessage(&nMsg, NULL, 0, 0))    {        TranslateMessage(&nMsg);        DispatchMessage(&nMsg);//将消息给窗口处理函数来处理    }    return 0;}

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