ClientSizeChanged Event

Control.ClientSizeChanged Event


Occurs when the value of the ClientSize property changes.

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

public event EventHandler ClientSizeChanged

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 ClientSizeChanged 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 Control, such as a Button or ComboBox. Then name the instance Control1 and ensure that the event handler is associated with the ClientSizeChanged event.

private void Control1_ClientSizeChanged(Object sender, EventArgs e) {

   MessageBox.Show("You are in the Control.ClientSizeChanged event.");


.NET Framework
Available since 2.0
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