用Windows API创建简单的菜单和对话框。

#include <windows.h> #include <stdio.h> #include"resource.h" HINSTANCE hInst; LRESULT CALLBACK WindowsProc( HWND hwnd, // handle to window UINT uMsg, // message identifier WPARAM wParam, // first message parameter LPARAM lParam // second message parameter ); BOOL CALLBACK DlgProc(HWND hdlg, UINT uMsg, WPARAM wParam, LPARAM lParam); int WINAPI WinMain( HINSTANCE hInstance, // handle to current instance HINSTANCE hPrevInstance, // handle to previous instance LPSTR lpCmdLine, // command line int nCmdShow // show state ) { WNDCLASS wndcls; wndcls.cbClsExtra=0; wndcls.cbWndExtra=0; wndcls.hbrBackground=(HBRUSH)GetStockObject(WHITE_BRUSH); wndcls.hCursor=LoadCursor(NULL,IDC_ARROW); wndcls.hIcon=LoadIcon(NULL,IDI_APPLICATION); wndcls.hInstance=hInstance; wndcls.lpfnWndProc=WindowsProc; wndcls.lpszClassName="Windows6"; wndcls.lpszMenuName="My_Menu"; wndcls.style=CS_HREDRAW | CS_VREDRAW; RegisterClass(&wndcls); // WNDCLASS wndcls={CS_HREDRAW | CS_VREDRAW,WinSunProc,0,0,hInstance,LoadIcon(NULL,IDI_ERROR),LoadCursor(NULL,IDC_CROSS),(HBRUSH)GetStockObject(BLACK_BRUSH),NULL,"Weixin2003"}; HWND hwnd; HMENU hmenu; hmenu=LoadMenu(hInstance, MAKEINTRESOURCE(IDR_MENU1)); hwnd=CreateWindow("Windows6","windows API 编程",WS_OVERLAPPEDWINDOW, CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,NULL,hmenu,hInstance,NULL); /* HWND CreateWindow( LPCTSTR lpClassName, // pointer to registered class name LPCTSTR lpWindowName, // pointer to window name DWORD dwStyle, // window style int x, // horizontal position of window int y, // vertical position of window int nWidth, // window width int nHeight, // window height HWND hWndParent, // handle to parent or owner window HMENU hMenu, // handle to menu or child-window identifier HANDLE hInstance, // handle to application instance LPVOID lpParam // pointer to window-creation data ); */ ShowWindow(hwnd,SW_SHOWNORMAL); UpdateWindow(hwnd); hInst=hInstance; MSG msg; while(GetMessage(&msg,NULL,0,0))//消息循环； { TranslateMessage(&msg); DispatchMessage(&msg); } return 0; } LRESULT CALLBACK WindowsProc( HWND hwnd, // handle to window UINT uMsg, // message identifier WPARAM wParam, // first message parameter LPARAM lParam // second message parameter ) { switch(uMsg) { // RECT rect; case WM_CREATE: PlaySound(TEXT("ding.wav"),NULL,SND_FILENAME | SND_ASYNC);//Windows multimedia－Windows多媒体 break; case WM_CHAR: char szChar[20]; sprintf(szChar,"char is %d",wParam); MessageBox(hwnd,szChar,"Windows0",0); break; case WM_LBUTTONDOWN: MessageBox(hwnd,"mouse clicked","Windows0",0); HDC hdc; hdc=GetDC(hwnd); TextOut(hdc,0,100,"hello,这是windows编程，的确很酷",strlen("hello,这是windows编程，的确很酷")); ReleaseDC(hwnd,hdc); break; case WM_PAINT: HDC hDC; PAINTSTRUCT ps; hDC=BeginPaint(hwnd,&ps); TextOut(hDC,0,0,"hello,这是windows编程，的确很酷 ，重绘的测试",strlen("hello,这是windows编程，的确很酷 ，重绘的测试")); EndPaint(hwnd,&ps); break; case WM_CLOSE: if(IDYES==MessageBox(hwnd,"are you sure?","Windows0",MB_YESNO)) { DestroyWindow(hwnd); } break; case WM_DESTROY: PostQuitMessage(0); break; case WM_COMMAND: switch(LOWORD(wParam)) { case IDM_ADD1: MessageBox(hwnd,"功能尚未完成!","菜单",MB_OK); break; case IDM_ADD2: MessageBox(hwnd,"功能尚未完成!","菜单",MB_OK); break; case IDM_ADD3: MessageBox(hwnd,"功能尚未完成!","菜单",MB_OK); break; case IDM_ADD4: MessageBox(hwnd,"功能尚未完成!","菜单",MB_OK); break; case IDM_EXIT: SendMessage(hwnd,WM_CLOSE,0,0); break; case IDM_DIALOG: //((LPCREATESTRUCT) lParam) DialogBox(hInst,LPCSTR(IDD_DIALOG1),hwnd,(DLGPROC)DlgProc); break; default: return FALSE; } break; default: // return WinSunProc(hwnd,uMsg,wParam,lParam); return DefWindowProc(hwnd,uMsg,wParam,lParam); } return 0; } BOOL CALLBACK DlgProc(HWND hdlg, UINT uMsg, WPARAM wParam, LPARAM lParam) { switch(uMsg) { case WM_INITDIALOG: break; case WM_COMMAND: switch(LOWORD(wParam)) { case IDOK: EndDialog(hdlg,0); break; case IDCANCEL: EndDialog(hdlg,0); break; default: return FALSE; } break; case WM_CLOSE: EndDialog(hdlg,0); default: return FALSE; } return 0; }