DataGridColumnHeader.OnContentChanged Method
Microsoft Silverlight will reach end of support after October 2021. Learn more.
Called when the value of the Content property changes.
Namespace: System.Windows.Controls.Primitives
Assembly: System.Windows.Controls.Data (in System.Windows.Controls.Data.dll)
Syntax
'Declaration
Protected Overrides Sub OnContentChanged ( _
oldContent As Object, _
newContent As Object _
)
protected override void OnContentChanged(
Object oldContent,
Object newContent
)
Parameters
- oldContent
Type: System.Object
The old value of the Content property.
- newContent
Type: System.Object
The new value of the Content property.
Exceptions
Exception | Condition |
---|---|
NotSupportedException | newContent is not nulla null reference (Nothing in Visual Basic) and is not a primitive data type. |
Remarks
The DataGridColumnHeader does not support a UIElement as content. The OnContentChanged method overrides the ContentControl.OnContentChanged(Object, Object) method to throw an exception if the newContent value is not nulla null reference (Nothing in Visual Basic) and is not a primitive data type.
Version Information
Silverlight
Supported in: 5, 4, 3
Platforms
For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.