UpDownBase.OnTextBoxKeyPress(Object, KeyPressEventArgs) Method

Definition

Raises the KeyPress event.

protected virtual void OnTextBoxKeyPress (object source, System.Windows.Forms.KeyPressEventArgs e);
protected virtual void OnTextBoxKeyPress (object? source, System.Windows.Forms.KeyPressEventArgs e);

Parameters

source
Object

The source of the event.

e
KeyPressEventArgs

A KeyPressEventArgs that contains the event data.

Remarks

Raising an event invokes the event handler through a delegate. For more information, see Handling and Raising Events.

The OnTextBoxKeyPress method also allows derived classes to handle the event without attaching a delegate. This is the preferred technique for handling the event in a derived class.

Notes to Inheritors

When overriding OnTextBoxKeyPress(Object, KeyPressEventArgs) in a derived class, be sure to call the base class's OnTextBoxKeyPress(Object, KeyPressEventArgs) method so that registered delegates receive the event.

Applies to

Product Versions
.NET Framework 1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
Windows Desktop 3.0, 3.1, 5, 6, 7, 8, 9

See also