/// <summary>
/// Invokes an action in the GUI thread.
/// </summary>
public static Task InvokeAsync(Action action)
{
if (action == null)
{
throw new ArgumentNullException(nameof(action));
}
// Capture the current toolkit. It will be used in the invocation
var targetToolkit = toolkit;
var ts = new TaskCompletionSource <int> ();
Action actionCall = () => {
try {
targetToolkit.InvokeAndThrow(action);
ts.SetResult(0);
} catch (Exception ex) {
ts.SetException(ex);
}
};
if (UIThread == Thread.CurrentThread)
{
actionCall();
}
else
{
engine.InvokeAsync(actionCall);
}
return(ts.Task);
}
/// <summary>
/// Invokes an action in the GUI thread
/// </summary>
/// <param name='action'>
/// The action to execute.
/// </param>
public static void Invoke(Action action)
{
if (action == null)
{
throw new ArgumentNullException("action");
}
engine.InvokeAsync(delegate {
try {
toolkit.EnterUserCode();
action();
toolkit.ExitUserCode(null);
} catch (Exception ex) {
toolkit.ExitUserCode(ex);
}
});
}