Win32程序创建按钮并响应单击

码；

#include <windows.h>
#include "resource.h"
 
LRESULT CALLBACK WindowProcedure (HWND, UINT, WPARAM, LPARAM);
 
HINSTANCE hInst;
TCHAR szClassName[] = TEXT("win32ButtonDemo");
 
int WINAPI
WinMain (HINSTANCE hThisInstance,
         HINSTANCE hPrevInstance,
         LPSTR lpszArgument,
         int nFunsterStil)
{
    HWND hwnd;
    MSG messages;
    WNDCLASSEX wincl;
 
	hInst = hThisInstance;
	
    wincl.hInstance = hThisInstance;
    wincl.lpszClassName = szClassName;
    wincl.lpfnWndProc = WindowProcedure;
    wincl.style = CS_DBLCLKS;
    wincl.cbSize = sizeof (WNDCLASSEX);
 
    wincl.hIcon = LoadIcon (NULL, IDI_APPLICATION);
    wincl.hIconSm = LoadIcon (NULL, IDI_APPLICATION);
    wincl.hCursor = LoadCursor (NULL, IDC_ARROW);
    wincl.lpszMenuName = MAKEINTRESOURCE (IDC_BUTTONDEMO);
    wincl.cbClsExtra = 0;
    wincl.cbWndExtra = 0;
    wincl.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
 
    if (!RegisterClassEx (&wincl))
        return 0;
 
    hwnd = CreateWindowEx (
           0,
           szClassName,
           TEXT("win32ButtonDemo"),
           WS_OVERLAPPEDWINDOW,
           CW_USEDEFAULT,
           CW_USEDEFAULT,
           300,
           200,
           HWND_DESKTOP,
           NULL,
           hThisInstance,
           NULL
           );
 
    ShowWindow (hwnd, nFunsterStil);
 
    while (GetMessage (&messages, NULL, 0, 0))
    {
        TranslateMessage(&messages);
        DispatchMessage(&messages);
    }
 
    return messages.wParam;
}
 
LRESULT CALLBACK
WindowProcedure (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
	PAINTSTRUCT ps;
	HDC hdc;
	RECT rt;
	int ret;
				
    switch (message)
    {
			case WM_COMMAND:
    		switch (LOWORD(wParam))
    		{
   			case IDB_ONE:  
				MessageBox(hwnd, "您点击了第一个按钮。", "win32ButtonDemo", MB_OK | MB_ICONINFORMATION);  
				break;
			case IDB_TWO:  
				MessageBox(hwnd, "您点击了第二个按钮。", "win32ButtonDemo", MB_OK | MB_ICONINFORMATION);  
				break;
			case IDB_THREE:  
				MessageBox(hwnd, "您点击了第三个按钮。", "win32ButtonDemo", MB_OK | MB_ICONINFORMATION);  
				break;
   			case IDM_ABOUT:
				MessageBox (hwnd, TEXT ("win32ButtonDemo v1.0\nCopyright (C) 2020\n by bo"),
                        TEXT ("win32ButtonDemo"), MB_OK | MB_ICONINFORMATION);
				break;
			case IDM_EXIT:
				DestroyWindow(hwnd);
				break;
			default:
				return DefWindowProc(hwnd, message, wParam, lParam);	    		
		    }
    		break;
  		case WM_CREATE:
  			CreateWindow("Button", "按钮一", WS_VISIBLE | WS_CHILD | BS_PUSHBUTTON,  
    35, 10, 120, 30, hwnd, (HMENU)IDB_ONE, hwnd, NULL);  
   			CreateWindow("Button", "按钮二", WS_VISIBLE | WS_CHILD | BS_PUSHBUTTON,  
    35, 50, 120, 30, hwnd, (HMENU)IDB_TWO, hwnd, NULL);  
   			CreateWindow("Button", "按钮三", WS_VISIBLE | WS_CHILD | BS_PUSHBUTTON,  
    35, 90, 120, 30, hwnd, (HMENU)IDB_THREE, hwnd, NULL); 
			break;
    	case WM_PAINT:
			hdc = BeginPaint(hwnd, &ps);					
			GetClientRect(hwnd, &rt);			
			
			EndPaint(hwnd, &ps);
			break;
        case WM_DESTROY:
            PostQuitMessage (0);
            break;
        default:
            return DefWindowProc (hwnd, message, wParam, lParam);
    }
 
    return 0;
}

图；

win7, CFree 5.0；新建一个窗口工程；

资源文件，头文件；

#include "resource.h"
#include <windows.h>

/////////////////////////////////////////////////////////////////////////////
//
// Menu
//

IDC_BUTTONDEMO MENU 
BEGIN
    POPUP "&File"
    BEGIN
        MENUITEM "E&xit",                	IDM_EXIT
    END
    POPUP "&Help"
    BEGIN
        MENUITEM "&About ...",           	IDM_ABOUT
    END
END

#define 	IDM_EXIT		10001
#define 	IDM_ABOUT		10002

#define 	IDC_BUTTONDEMO		10101
#define 	IDD_ABOUTBOX	10102

#define IDB_ONE     53301  
#define IDB_TWO     53302  
#define IDB_THREE   53303