请问怎样在dialog上做出bmp按钮？(非MFC)

Question

如题，要纯API写成的，不要MFC。请给出实例，谢谢。

Answer 1

#include <windows.h>#define ID_MYOWN   1000 LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
BOOL InitApp(HINSTANCE);
BOOL InitInstance(HINSTANCE, int);void DrawPic(HDC, HINSTANCE, int); char szClassName[] = "owndr01";       HWND hMyButton;
LPCTSTR buttoncaption="owner button";
int WINAPI WinMain(HINSTANCE hCurInst, HINSTANCE hPrevInst,
                   LPSTR lpsCmdLine, int nCmdShow)
{
    MSG msg;
    
    if (!hPrevInst) {
        if (!InitApp(hCurInst))
            return FALSE;
    }
    if (!InitInstance(hCurInst, nCmdShow)) {
        return FALSE;
    }
    while (GetMessage(&msg, NULL, 0, 0)) {
        TranslateMessage(&msg);
        DispatchMessage(&msg);
    }
    return msg.wParam;
}
BOOL InitApp(HINSTANCE hInst)
{
    WNDCLASS wc;
    wc.style = CS_HREDRAW | CS_VREDRAW;
    wc.lpfnWndProc = WndProc;    
    wc.cbClsExtra = 0;
    wc.cbWndExtra = 0;
    wc.hInstance = hInst;        
    wc.hIcon = LoadIcon(NULL, IDI_APPLICATION);
    wc.hCursor = LoadCursor(NULL, IDC_ARROW);
    wc.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
    wc.lpszMenuName = NULL;    
    wc.lpszClassName = (LPCSTR)szClassName;
    return (RegisterClass(&wc));
}
BOOL InitInstance(HINSTANCE hInst, int nCmdShow)
{
    HWND hWnd;    hWnd = CreateWindow(szClassName,
            "owner draw button",
            WS_OVERLAPPEDWINDOW,    
            CW_USEDEFAULT,    //&pound;&Oslash;×ù&#732;&Euml;
            CW_USEDEFAULT,    //&pound;&Ugrave;×ù&#732;&Euml;
            CW_USEDEFAULT,    
            CW_USEDEFAULT,    
            NULL,           
            NULL,           
            hInst,           
            NULL);
    if (!hWnd)
        return FALSE;
    ShowWindow(hWnd, nCmdShow);
    UpdateWindow(hWnd);
    return TRUE;
}
LRESULT CALLBACK WndProc(HWND hWnd, UINT msg, WPARAM wp, LPARAM lp)
{
    int id;
    HDC hdc;
    static int sw = 1; 
    switch (msg) {
        case WM_CREATE: 
            hMyButton = CreateWindow("BUTTON",
                buttoncaption,  
                WS_CHILD | WS_VISIBLE | BS_OWNERDRAW,
                30, 30, //&Icirc;&raquo;&Ouml;&Atilde;
                100, 100, 
                hWnd, 
                (HMENU)ID_MYOWN, 
                (HINSTANCE)GetWindowLong(hWnd, GWL_HINSTANCE), 
                NULL);
            break;
        case WM_DRAWITEM: 
{
//draw bmp here
LPDRAWITEMSTRUCT pdis=(LPDRAWITEMSTRUCT)lp;
hdc = pdis->hDC;
HBRUSH hbr=CreateSolidBrush(RGB(0,244,22));
HBRUSH hbold=(HBRUSH)SelectObject(hdc,hbr);
Rectangle(hdc,pdis->rcItem.left,pdis->rcItem.top,pdis->rcItem.right,pdis->rcItem.bottom);
SelectObject(hdc,hbold);
DeleteObject(hbr);
SetTextColor(hdc,RGB(255,0,0));
SetBkMode(hdc,TRANSPARENT);
TextOut(hdc,pdis->rcItem.left,pdis->rcItem.top,buttoncaption,strlen(buttoncaption));
}
            break;
        case WM_COMMAND:
            switch (LOWORD(wp)) {
                case ID_MYOWN:
                    if (sw == 1) {
                        sw = 0;
                        return 0L;
                    }
                    if (sw == 0) {
                        sw = 1;
                        return 0L;
                    }
                    break;
                default:
                    return (DefWindowProc(hWnd, msg, wp, lp));
            }
            break;
        case WM_CLOSE:
            id = MessageBox(hWnd,
                (LPCSTR)"end application",
                (LPCSTR)"confirm",
                MB_YESNO | MB_ICONQUESTION);
            if (id == IDYES) {
                DestroyWindow(hWnd);
            }
            break;
        case WM_DESTROY:
            PostQuitMessage(0);
            break;
        default:
            return (DefWindowProc(hWnd, msg, wp, lp));
    }
    return 0L;
}