Keyboard.IsKeyDown(Key) Keyboard.IsKeyDown(Key) Keyboard.IsKeyDown(Key) Method

Definition

Determines whether the specified key is pressed.

public:
 static bool IsKeyDown(System::Windows::Input::Key key);
public static bool IsKeyDown (System.Windows.Input.Key key);
static member IsKeyDown : System.Windows.Input.Key -> bool

Parameters

key
Key Key Key

The specified key.

Returns

true if key is in the down state; otherwise, false.

Examples

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))
{
    btnIsDown.Background = Brushes.Red;
}
else
{
    btnIsDown.Background = Brushes.AliceBlue;
}
' 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

Remarks

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

Applies to

See also