System.ComponentModel.HandledEventHandler Delegate

Represents a method that can handle events which may or may not require further processing after the event handler has returned.


public delegate void HandledEventHandler (object sender, HandledEventArgs e)


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This delegate is available for use with your own events when the HandledEventArgs.Handled property provides sufficient event data. The event handler can set the HandledEventArgs.Handled property to true if all necessary processing has been completed in the handler.

Typically, events that require this functionality will also require additional event data, and will use a class that derives from System.ComponentModel.HandledEventArgs along with a corresponding, similarly-named delegate type. For example, the System.Windows.Forms.DataGridView.RowPrePaint event uses the System.Windows.Forms.DataGridViewRowPrePaintEventArgs event-data type and the System.Windows.Forms.DataGridViewRowPrePaintEventHandler delegate type. Because delegates are not inherited, the System.ComponentModel.HandledEventHandler is rarely used.


Namespace: System.ComponentModel
Assembly: System (in System.dll)
Assembly Versions:,
Since: .NET 2.0