KeyboardHandlerServiceWrapper.OnKeyDown(KeyEventArgs) Method

Override this method to handle a key down event.

Namespace: DevExpress.Services

Assembly: DevExpress.Data.v18.2.dll

Declaration

C#

public virtual void OnKeyDown(
    KeyEventArgs e
)

VB.NET

Public Overridable Sub OnKeyDown(
    e As KeyEventArgs
)

Parameters

Name	Type	Description
e	KeyEventArgs	A KeyEventArgs object containing information about the pressed key and key modifiers.

Remarks

A KeyDown event occurs when a key is pressed. The OnKeyDown method enables you to trap keys pressed when the control has focus.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the OnKeyDown(KeyEventArgs) method.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

how-to-handle-key-press-events-via-services-e1735/CS/KeyboardHandler/Form1.cs#L44

    }
    base.OnKeyDown(e);
}

how-to-implement-the-next-previous-word-selection-commands-e2931/CS/Form1.cs#L53

default:
    base.OnKeyDown(e);
    break;

service-substitution-use-keyboard-and-mouse-services-to-implement-zooming-e677/CS/ServicesMouseZoom/ServiceHandler.cs#L68

    }
    base.OnKeyDown(e);
}

how-to-handle-key-press-events-in-the-schedulercontrol-e2906/CS/DXScheduler_KeyHandling/MyKeyboardHandlerService.cs#L39

    }
    base.OnKeyDown(e);
}

VB.NET

how-to-handle-key-press-events-via-services-e1735/VB/KeyboardHandler/Form1.vb#L47

    End If
    MyBase.OnKeyDown(e)
End Sub

how-to-implement-the-next-previous-word-selection-commands-e2931/VB/Form1.vb#L58

    Case Else
        MyBase.OnKeyDown(e)
End Select

service-substitution-use-keyboard-and-mouse-services-to-implement-zooming-e677/VB/ServicesMouseZoom/ServiceHandler.vb#L78

    End If
    MyBase.OnKeyDown(e)
End Sub

how-to-handle-key-press-events-in-the-schedulercontrol-e2906/VB/DXScheduler_KeyHandling/MyKeyboardHandlerService.vb#L37

    End If
    MyBase.OnKeyDown(e)
End Sub

Implements

OnKeyDown(KeyEventArgs)