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 End-User Documentation

BaseView.KeyPress Event

Fires when a character key is pressed while the View has focus.

Namespace:DevExpress.XtraGrid.Views.Base
Assembly:DevExpress.XtraGrid.v17.1.dll

Expanded Syntax

Expanded Event Data

The event handler receives an argument of type System.Windows.Forms.KeyPressEventArgs containing data related to this event.

The following KeyPressEventArgs properties provide information specific to this event.
Property Description
Handled Gets or sets a value indicating whether the System.Windows.Forms.Control.KeyPress event was handled.
KeyChar Gets or sets the character corresponding to the key pressed.

Expanded Remarks

When pressing character a key, the KeyPress event is raised. If holding the key pressed for a while, the event is raised repeatedly with a short interval. Thus, you can handle the event to implement repeated actions. However, if you do not want to perform repeated actions, you need to have a flag indicating whether the desired actions have already been performed. This flag must be reset in the KeyUp event handler. The KeyUp event is raised when the pressed key is released.

The KeyPress event is raised immediately after the KeyDown event if a character key is pressed. If pressing a non-character key, only the KeyDown event is rased.

If an inplace editor is active, it processes key presses. In this case, the View's key events are not raised.

Expanded Example

The following example shows how to prevent numeric characters ('0'-'9') from being entered within a grid's CustomerID column. Two events are handled to prevent entering these characters:

  • the KeyPress event - fires when an alpha numeric character is pressed while an in-place editor is not active;
  • the grid control's EditorContainer.EditorKeyPress event - fires when an alpha numeric character is pressed while an in-place editor is active.
If a specific character needs to be discarded in these event handlers, the Handled parameter must be set to true.

Expanded See Also

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