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RadGridViewHeaderCellToggleStateChanged Event
Fires when a toggle state changed of RadCheckBoxElement in header cell.

Namespace: Telerik.WinControls.UI
Assembly: Telerik.WinControls.GridView (in Telerik.WinControls.GridView.dll) Version: 2017.2.613.40 (2017.2.613.40)
Syntax
[BrowsableAttribute(true)]
public event HeaderCellToggleStateChangedEventHandler HeaderCellToggleStateChanged

Value

Type: Telerik.WinControls.UIHeaderCellToggleStateChangedEventHandler
See Also