diff --git a/docs/xml/lcl/forms.xml b/docs/xml/lcl/forms.xml index 87f0c6aa43..77213cf4d4 100644 --- a/docs/xml/lcl/forms.xml +++ b/docs/xml/lcl/forms.xml @@ -1415,6 +1415,32 @@ the inherited method to create the window and its handles. + + +Frees or invalidates resources in the class instance when the window Handle is +freed. + + +

+DestroyWnd is an overridden method in +TScrollingWinControl used to maintain resources allocated in the +class instance when the window Handle for the control is freed. It calls the +inherited method on entry to free handles allocated for the control Canvas and +the widgetset class instance. It ensures that scroll bar information allocated +in either HorzScrollBar or VertScrollBar is invalidated when the handle(s) are +freed. +

+
+ + + +TCustomControl.Canvas +TCustomControl.DestroyWnd +TWinControl.Handle +TWinControl.DestroyHandle + +
+ The origin for the physical client area.