Xceed Toolkit Plus for WPF v4.6 Documentation
OnParentChanging Method (LayoutElement)


Xceed.Wpf.AvalonDock Assembly > Xceed.Wpf.AvalonDock.Layout Namespace > LayoutElement Class : OnParentChanging Method
The old container.
The new container.
Provides derived classes an opportunity to execute code before the Parent property changes.
Syntax
'Declaration
 
Protected Overridable Sub OnParentChanging( _

   ByVal oldValue As ILayoutContainer, _

   ByVal newValue As ILayoutContainer _

) 
'Usage
 
Dim instance As LayoutElement

Dim oldValue As ILayoutContainer

Dim newValue As ILayoutContainer

 

instance.OnParentChanging(oldValue, newValue)
protected virtual void OnParentChanging( 

   ILayoutContainer oldValue,

   ILayoutContainer newValue

)

Parameters

oldValue
The old container.
newValue
The new container.
Requirements

Target Platforms: Windows 11, Windows 10, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

See Also

Reference

LayoutElement Class
LayoutElement Members