protected override void UpdateVisualState()
{
Rect clipping;
if (ElementRoot != null)
{
clipping = new Rect(0, 0, RenderSize.Width, RenderSize.Height);
ElementClipping.SetValue(RectangleGeometry.RectProperty, clipping);
}
}
protected void UpdateVisualState()
{
Rect clipping = new Rect(0, 0, Width, _panelSize.Height);
double opacity = (IsEnabled ? 1 : 0.8);
if (ElementRoot != null)
{
ElementBackground.SetValue(Canvas.TopProperty, _panelSize.Height);
ElementBackground.SetValue(Canvas.LeftProperty, 0d);
ElementContent.SetValue(Canvas.TopProperty, _panelSize.Height);
ElementText.Opacity = opacity;
ElementCheckBox.Opacity = opacity;
ElementExpand.IsEnabled = IsEnabled;
ElementExpand.Cursor = (IsEnabled ? Cursors.Hand : Cursors.Arrow);
ElementText.Cursor = ElementExpand.Cursor;
ElementBackground.Width = Width;
ElementBackground.Height = Height - _panelSize.Height;
clipping = new Rect(0, 0, Width, double.IsNaN(Height) ? _panelSize.Height : Height);
if (_expanded)
{
ElementBackground.Visibility = Visibility.Visible;
}
else if (_expandDirection == 0.0)
{
ElementBackground.Visibility = Visibility.Collapsed;
}
ElementClipping.SetValue(RectangleGeometry.RectProperty, clipping);
ElementText.Text = _text;
if (_enableCheckbox)
{
ElementCheckBox.IsChecked = _checked;
ElementCheckBox.Visibility = Visibility.Visible;
}
else
{
ElementCheckBox.Visibility = Visibility.Collapsed;
}
}
}
