The message's lParam value. handled Boolean A value that indicates whether the message was handled. Set the value totrueif the message was handled; otherwise,false. Return Value IntPtr The appropriate return value depends on the particular message. See the message documentation details for the Wi...
Pass that HWND value as a parameter toFromHwnd. This technique can be useful if you then want to add generalAddHookmessage processing to the window. However, whenever you create anHwndSource, you are also responsible for destroying it. This is true even if theApplicationobject for an applicati...
问创建窗口的hwnd处理程序EN我正在尝试创建一个窗口，然后获取所创建窗口的hwnd。通过子类化窗口（SubClass...
Pass that HWND value as a parameter to FromHwnd. This technique can be useful if you then want to add general AddHook message processing to the window. However, whenever you create an HwndSource, you are also responsible for destroying it. This is true even if the Application object for an...
If hWnd is -1, GetMessage retrieves only messages on the current thread's message queue whose hwnd value is NULL, that is, thread messages as posted by PostMessage (when the hWnd parameter is NULL) or PostThreadMessage. 相关知识点:
the value of the message member. lParam Specifies additional information about the message. The exact meaning depends on the value of the message member. time Specifies the time at which the message was posted. pt Specifies the cursor position, in screen coordinates, when the message was posted...
Return value Requirements Frees resources on the server side when called by RPC stub files. Syntax C++ Kopier void HWND_UserFree( [in] unsigned long *unnamedParam1, [in] HWND *unnamedParam2 ); Parameters [in] unnamedParam1 The data used by RPC. [in] unnamedParam2 The object. Retu...
C++public value classHWND__sealed JScriptIn JScript, you can use structures, but you cannot define your own. Structure Information NamespaceMicrosoft.DirectX.PrivateImplementationDetails AssemblyMicrosoft.DirectX.Direct3D (microsoft.directx.direct3d.dll) ...
Handle to the window whose window procedure receives the message. message Specifies the message identifier. Applications can only use the low word; the high word is reserved by the system. wParam Specifies additional information about the message. The exact meaning depends on the value of the mess...