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ToolStripItem.EnabledChanged Event


Occurs when the Enabled property value has changed.

Namespace:   System.Windows.Forms
Assembly:  System.Windows.Forms (in System.Windows.Forms.dll)

public event EventHandler EnabledChanged

This event is raised if the Enabled property is changed by either a programmatic modification or user interaction.


Changing the Enabled property of a ToolStrip does not raise the EnabledChanged event. Raise this event with specific property settings.

For more information about handling events, see Handling and Raising Events.

The following code example demonstrates the use of this member. In the example, an event handler reports on the occurrence of the EnabledChanged event. This report helps you to learn when the event occurs and can assist you in debugging. To report on multiple events or on events that occur frequently, consider replacing MessageBox.Show with Console.WriteLine or appending the message to a multiline TextBox.

To run the example code, paste it into a project that contains an instance of a type that inherits from ToolStripItem, such as a ToolStripButton or ToolStripMenuItem. Then name the instance ToolStripItem1 and ensure that the event handler is associated with the EnabledChanged event.

private void ToolStripItem1_EnabledChanged(Object sender, EventArgs e) {

   MessageBox.Show("You are in the ToolStripItem.EnabledChanged event.");


.NET Framework
Available since 2.0
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