If hWnd is NULL, GetMessage retrieves messages for any window that belongs to the current thread, and any messages on the current thread's message queue whose hwnd value is NULL (see the MSG structure). Therefore if hWnd is NULL, both window messages and thread messages are processed. If ...
{ HKEY hkResult;//键的句柄LPCTSTR environmentKey =_T("SYSTEM\\CurrentControlSet\\Control\\Session Manager\\Environment");//HKEY_CURRENT_USER HKEY_LOCAL_MACHINE//LPCTSTR environmentKey =_T("Environment");if(ERROR_SUCCESS != RegOpenKeyEx(HKEY_LOCAL_MACHINE, environmentKey ,0,KEY_SET_VALUE | KEY...
Return value Requirements Takes the index of a property sheet page and returns its window handle. You can send this message explicitly or use the PropSheet_IndexToHwnd macro. Parameters wParam Zero-based index of the page. lParam Must be zero. Return value Returns the handle to the win...
A value from _OLECWINDOW. dwReserved UInt32 Reserved for future use. Should be 0. Returns IntPtr nativeint The HWND, or null if no such window exists. Implements Microsoft.Internal.VisualStudio.Shell.Interop.IOleComponent2Private.Hw...
aAn application typically uses the return value to determine whether to end the main message loop and exit the program. 应用是否典型地使用回归价值确定结束主要消息使并且退出节目成环。[translate] aThe WM_KEYFIRST and WM_KEYLAST constants can be used as filter values to retrieve all messages relate...
Return value Requirements Takes the index of a property sheet page and returns its window handle. You can send this message explicitly or use the PropSheet_IndexToHwnd macro. Parameters wParam Zero-based index of the page. lParam Must be zero. Return value Returns the handle to the win...
Return value Requirements Takes the index of a property sheet page and returns its window handle. You can send this message explicitly or use the PropSheet_IndexToHwnd macro. Parameters wParam Zero-based index of the page. lParam Must be zero. Return value Returns the handle to the win...
Return value Requirements Takes the index of a property sheet page and returns its window handle. You can send this message explicitly or use the PropSheet_IndexToHwnd macro. Parameters wParam Zero-based index of the page. lParam Must be zero. Return value Returns the handle to the win...