DataGridView.OnEnter(EventArgs) Method

Definition

Namespace:

System.Windows.Forms

Assembly:

System.Windows.Forms.dll

Source:

DataGridView.Methods.cs

Raises the Enter event.

C#

protected internal override void OnEnter(EventArgs e);

Parameters

e

EventArgs

An EventArgs that contains the event data.

Exceptions

InvalidCastException

The control is configured to enter edit mode when it receives focus, but upon entering focus, the EditType property of the current cell does not indicate a class that derives from Control and implements IDataGridViewEditingControl.

Exception

The control is configured to enter edit mode when it receives focus, but initialization of the editing cell value failed and either there is no handler for the DataError event or the handler has set the ThrowException property to true. The exception object can typically be cast to type FormatException.

Remarks

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

The OnEnter 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 OnEnter(EventArgs) in a derived class, be sure to call the base class's OnEnter(EventArgs) method so that registered delegates receive the event.

Applies to

See also

• DataGridView Control (Windows Forms)