/// <summary>
/// Captures the cursor to the specified element.
/// </summary>
/// <param name="element">The element to which to assign capture.</param>
/// <param name="mode">The capture mode to apply.</param>
/// <returns><see langword="true"/> if the cursor was captured; otherwise, <see langword="false"/>.</returns>
public Boolean Capture(IInputElement element, CaptureMode mode)
{
if ((element != null && mode == CaptureMode.None) || (element == null && mode != CaptureMode.None))
{
throw new ArgumentException(nameof(mode));
}
if (withCapture == element)
{
return(true);
}
if (!(element?.IsValidForInput() ?? false))
{
return(false);
}
if (withCapture != null)
{
Release();
}
withCapture = element;
captureMode = mode;
var uiElement = withCapture as UIElement;
if (uiElement != null)
{
SetIsCaptured(uiElement, true);
UpdateIsCaptureWithin(uiElement, true);
UpdateIsOver(uiElement);
RaiseGotCapture(uiElement);
}
return(true);
}