Keyboard.IsKeyUp(Key) Keyboard.IsKeyUp(Key) Keyboard.IsKeyUp(Key) Method

Definition

Determines whether the specified key is released.

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

Parameters

key
Key Key Key

The key to check.

Returns

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

Examples

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

// Uses the Keyboard.IsKeyUp to determine if a key is up.
if (Keyboard.IsKeyUp(Key.Return))
{
    btnIsUp.Background = Brushes.Red;
}
else
{
    btnIsUp.Background = Brushes.AliceBlue;
}
' Uses the Keyboard.IsKeyUp to determine if a key is up.
If Keyboard.IsKeyUp(Key.Return) Then
	btnIsUp.Background = Brushes.Red
Else
	btnIsUp.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