Control.Events Property
Definition
Important
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Gets a list of event handler delegates for the control. This property is read-only.
protected:
property System::ComponentModel::EventHandlerList ^ Events { System::ComponentModel::EventHandlerList ^ get(); };
protected System.ComponentModel.EventHandlerList Events { get; }
member this.Events : System.ComponentModel.EventHandlerList
Protected ReadOnly Property Events As EventHandlerList
Property Value
The list of event handler delegates.
Examples
The following example creates an event, named Click
, that adds and removes handlers from the control's EventHandlerList collection when the event is called from a page.
Note
This example optimizes how a control adds and removes events from the list of them that the control maintains. If you create custom control and want to define an event, use code similar to this. This technique can be used in C#, but not in Visual Basic.
// Create an event that adds and removes handlers from the
// Control.Events collection when this event is called from
// a participating page.
public event EventHandler Click {
add {
Events.AddHandler(EventClick, value);
}
remove {
Events.RemoveHandler(EventClick, value);
}
}
Remarks
This property is of type EventHandlerList, which uses a linear search algorithm to find entries in the list of delegates. A linear search algorithm is inefficient when working with a large number of entries. Therefore, when you have a large list, finding entries with this property will be slow.