protected override void OnTemplateApplied(TemplateAppliedEventArgs e)
{
_underline = e.NameScope.Find <Underline>(PART_Underline);
_contentSite = e.NameScope.Find <ContentControlEx>(PART_ContentSite);
Grid grid = e.NameScope.Find <Grid>(Part_ContentGrid);
_leftColumn = grid.ColumnDefinitions.OfType <ColumnDefinitionExt>().FirstOrDefault(x => x.Name == PART_ContentLeftCol);
_rightColumn = grid.ColumnDefinitions.OfType <ColumnDefinitionExt>().FirstOrDefault(x => x.Name == PART_ContentRightCol);
//_leftColumn = e.NameScope.Find<ColumnDefinitionExt>(PART_ContentLeftCol);
//_rightColumn = e.NameScope.Find<ColumnDefinitionExt>(PART_ContentRightCol);
_bottomRow = grid.RowDefinitions.OfType <RowDefinitionExt>().FirstOrDefault(x => x.Name == PART_ContentBottomRow);
//_bottomRow = e.NameScope.Find<RowDefinitionExt>(PART_ContentBottomRow);
_topRow = grid.RowDefinitions.OfType <RowDefinitionExt>().FirstOrDefault(x => x.Name == PART_ContentTopRow);
//_topRow = e.NameScope.Find<RowDefinitionExt>(PART_ContentTopRow);
_isTemplateApplied = true;
base.OnTemplateApplied(e);
}
private void ApplyBorderProperties(Underline o, AvaloniaPropertyChangedEventArgs e)
{
o.ApplyBorderProperties();
}