Keyboard.IsKeyDown Method

Determines whether the specified key is pressed.

Namespace:  System.Windows.Input
Assembly:  PresentationCore (in PresentationCore.dll)

'Declaration
Public Shared Function IsKeyDown ( _
	key As Key _
) As Boolean

Parameters

key
Type: System.Windows.Input.Key

The specified key.

Return Value

Type: System.Boolean
true if key is in the down state; otherwise, false.

The GetKeyStates method can be used to determine the set of states of a specific key.

The following example shows how to use the IsKeyDown method to determine the state of a specific key. The Return key is passed to the IsKeyDown method. If the method returns true, the background of a Button is changed.

			' Uses the Keyboard.IsKeyDown to determine if a key is down.
			' e is an instance of KeyEventArgs.
			If Keyboard.IsKeyDown(Key.Return) Then
				btnIsDown.Background = Brushes.Red
			Else
				btnIsDown.Background = Brushes.AliceBlue
			End If

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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