Keyboard.IsKeyUp(Key) Method
Definition
Important
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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
Public Shared Function IsKeyUp (key As Key) As Boolean
Parameters
- 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
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