|
, LPWSTR cmdLine, int cmdShow )
{
UNREFERENCED_PARAMETER( prevInstance );
UNREFERENCED_PARAMETER( cmdLine );
WNDCLASSEX wndClass ={ 0 };
wndClass.cbSize =sizeof( WNDCLASSEX ) ;
wndClass.style = CS_HREDRAW| CS_VREDRAW;
wndClass.lpfnWndProc =WndProc;
wndClass.hInstance =hInstance;
wndClass.hCursor =LoadCursor( NULL, IDC_ARROW );
wndClass.hbrBackground= ( HBRUSH )( COLOR_WINDOW + 1 );
wndClass.lpszMenuName= NULL;
wndClass.lpszClassName= "DIRECTX11BookWindowClass";
if( !RegisterClassEx(&wndClass ) )
return -1;
RECT rc = { 0, 0, 640,480 };
AdjustWindowRect(&rc, WS_OVERLAPPEDWINDOW, FALSE );
HWND hwnd =CreateWindowA( "DIRECTX11BookWindowClass", "Blank Win32Window",
WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, rc.right - rc.left,
rc.bottom -rc.top, NULL, NULL, hInstance, NULL );
if( !hwnd )
return -1;
ShowWindow( hwnd,cmdShow );
// 初始化
MSG msg = { 0 };
while( msg.message !=WM_QUIT )
{
if( PeekMessage(&msg, 0, 0, 0, PM_REMOVE ) )
{
TranslateMessage( &msg );
DispatchMessage( &msg );
}
else
{
// 进行更新
// 进行绘图操作
}
}
// 收尾工作
returnstatic_cast( msg.wParam );
}
int WINAPI wWinMain( HINSTANCE hInstance, HINSTANCEprevInstance, LPWSTR cmdLine, int cmdShow )
{
UNREFERENCED_PARAMETER( prevInstance );
UNREFERENCED_PARAMETER( cmdLine );
WNDCLASSEX wndClass ={ 0 };
wndClass.cbSize =sizeof( WNDCLASSEX ) ;
wndClass.style = CS_HREDRAW| CS_VREDRAW;
wndClass.lpfnWndProc =WndProc;
wndClass.hInstance =hInstance;
wndClass.hCursor =LoadCursor( NULL, IDC_ARROW );
wndClass.hbrBackground= ( HBRUSH )( COLOR_WINDOW + 1 );
wndClass.lpszMenuName= NULL;
wndClass.lpszClassName= "DIRECTX11BookWindowClass";
if( !RegisterClassEx(&wndClass ) )
return -1;
RECT rc = { 0, 0, 640,480 };
AdjustWindowRect(&rc, WS_OVERLAPPEDWINDOW, FALSE );
HWND hwnd =CreateWindowA( "DIRECTX11BookWindowClass", "Blank Win32Window",
WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, rc.right - rc.left,
rc.bottom -rc.top, NULL, NULL, hInstance, NULL );
if( !hwnd )
return -1;
ShowWindow( hwnd,cmdShow );
// 初始化
MSG msg = { 0 };
while( msg.message !=WM_QUIT )
{
if( PeekMessage(&msg, 0, 0, 0, PM_REMOVE ) )
{
TranslateMessage( &msg );
DispatchMessage( &msg );
}
else
{
// 进行更新
// 进行绘图操作
}
}
// 收尾工作
returnstatic_cast( msg.wParam );
}
其中static_cast<>运算符是用于进行强制类型转换的C++运算。
代码讲解之三：窗口回调过程
这里就直接上代码吧。
代码段4：Blank Win32 Window Demo书写步骤之四：窗口回调过程
[cpp]
LRESULT CALLBACK WndProc( HWND hwnd, UINT message, WPARAM wParam,LPARAM lParam )
{
PAINTSTRUCT paintStruct;
HDC hDC;
switch( message )
{
case WM_PAINT:
hDC = BeginPaint( hwnd, &paintStruct );
EndPaint( hwnd, &paintStruct );
break;
case WM_DESTROY:
PostQuitMessage( 0 );
break;
default:
return DefWindowProc( hwnd, message, wParam, lParam );
}
return 0;
}
LRESULT CALLBACK WndProc( HWND hwnd, UINT message, WPARAM wParam,LPARAM lParam )
{
PAINTSTRUCT paintStruct;
HDC hDC;
switch( message ) |