Keyboard.AltKeyDown Property


Gets a value that indicates whether the ALT key is down.

 property bool AltKeyDown { bool get(); };
public bool AltKeyDown { get; }
member this.AltKeyDown : bool
Public ReadOnly Property AltKeyDown As Boolean

Property Value

True if the ALT key is down; otherwise, False.


This example uses the My.Computer.Keyboard.AltKeyDown property to determine if the computer's ALT key is down.

If My.Computer.Keyboard.AltKeyDown Then
    MsgBox("ALT key down")
    MsgBox("ALT key up")
End If


The My.Computer.Keyboard.AltKeyDown property provides functionality similar to the ModifierKeys property.

Availability by Project Type

Project type Available
Windows Application Yes
Class Library Yes
Console Application Yes
Windows Control Library Yes
Web Control Library No
Windows Service Yes
Web Site No

Applies to

See also