WinMain

#include <windows.h> #include "resource.h" #include "WinMain.h" HINSTANCE _hInst; HWND _hWnd; char _szAppName[]="WinMain"; char _szTitle[]="Hello"; int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,LPSTR lpCmdLine,int nShowCmd) { if(!hPrevInstance) if(!InitApplication(hInstance)) return false; if(!InitInstance(hInstance,nShowCmd)) return false; MSG msg; while(GetMessage(&msg,NULL,0,0)) { TranslateMessage(&msg); DispatchMessage(&msg); } return msg.wParam; } BOOL InitApplication(HINSTANCE hInstance) { WNDCLASS wc; wc.cbClsExtra=0; wc.cbWndExtra=0; wc.hbrBackground=(HBRUSH)GetStockObject(WHITE_BRUSH); wc.hCursor=LoadCursor(NULL,MAKEINTRESOURCE(IDC_ARROW)); wc.hIcon=LoadIcon(hInstance,MAKEINTRESOURCE(IDI_WINMAIN)); wc.hInstance=hInstance; wc.lpfnWndProc=WndProc; wc.lpszClassName=_szAppName; wc.lpszMenuName=MAKEINTRESOURCE(IDR_WINMAIN); wc.style=CS_HREDRAW | CS_VREDRAW; return RegisterClass(&wc); } BOOL InitInstance(HINSTANCE hInstance,int nShowCmd) { _hInst=hInstance; _hWnd=CreateWindow(_szAppName,_szTitle,WS_OVERLAPPEDWINDOW,CW_USEDEFAULT,NULL,CW_USEDEFAULT,NULL,NULL,NULL,hInstance,NULL); if(!_hWnd) return false; ShowWindow(_hWnd,nShowCmd); UpdateWindow(_hWnd); return true; } LRESULT CALLBACK WndProc(HWND hWnd,UINT uMsg,WPARAM wParam,LPARAM lParam) { int wmId,wmEvent; switch(uMsg) { case WM_COMMAND: wmId=LOWORD(wParam); wmEvent=HIWORD(wParam); switch(wmId) { case IDM_ABOUT: DialogBox(_hInst,MAKEINTRESOURCE(IDD_ABOUT),hWnd,(DLGPROC)About); break; case IDM_EXIT: DestroyWindow(hWnd); break; default: return DefWindowProc(hWnd,uMsg,wParam,lParam); } break; case WM_DESTROY: PostQuitMessage(0); break; } return DefWindowProc(hWnd,uMsg,wParam,lParam); } LRESULT CALLBACK About(HWND hDlg,UINT uMsg,WPARAM wParam,LPARAM lParam) { switch(uMsg) { case WM_INITDIALOG: return true; break; case WM_COMMAND: if(LOWORD(wParam)==IDOK || LOWORD(wParam)==IDCANCEL) { EndDialog(hDlg,true); return true; } break; } return DefWindowProc(hDlg,uMsg,wParam,lParam); }