public override void OnApplyTemplate()
{
base.OnApplyTemplate();
_arrowsImage = base.GetTemplateChild(ARROWS_IMAGE_NAME) as Arrows;
_borderPenal = base.GetTemplateChild(BORDER_NAME) as Border;
if (_arrowsImage != null)
{
_arrowsImage.MouseLeftButtonUp += _arrows_MouseLeftButtonUp;
}
}
private void _arrows_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
{
Arrows arr = sender as Arrows;
if (arr.path.Visibility == Visibility.Visible)
{
arr.path.Visibility = Visibility.Collapsed;
arr.path2.Visibility = Visibility.Visible;
}
else
{
arr.path.Visibility = Visibility.Visible;
arr.path2.Visibility = Visibility.Collapsed;
}
int offActualWidth = 23;//Arrows 的 Height + margin.left=23 待优化
if (this._onActualWidth == 0)
{
this._onActualWidth = _borderPenal.ActualWidth - offActualWidth;
}
if (this._offActualWidth == 0)
{
this._offActualWidth = offActualWidth;
}
double actualWidth = 0;
if (!this._isCollapse)
{
actualWidth = 0;
}
else
{
actualWidth = _onActualWidth;
}
_borderPenal.Margin = new Thickness(actualWidth, _borderPenal.Margin.Top, _borderPenal.Margin.Right, _borderPenal.Margin.Bottom);
this._isCollapse = !this._isCollapse;
}