protected override Size ArrangeOverride(Size arrangeSize)
{
Size finalSize = base.ArrangeOverride(arrangeSize);
DataGridContext dataGridContext = DataGridControl.GetDataGridContext(this);
DataGridControl dataGridControl = (dataGridContext != null)
? dataGridContext.DataGridControl
: null;
RowSelectorPane rowSelectorPane = null;
// dataGridControl can be null in design-time
if (dataGridControl != null)
{
TableViewScrollViewer scrollViewer = dataGridControl.ScrollViewer as TableViewScrollViewer;
rowSelectorPane = (scrollViewer != null) ? scrollViewer.RowSelectorPane : null;
}
if (rowSelectorPane == null)
{
return(finalSize);
}
Visibility rowSelectorPaneVisibility = ( Visibility )rowSelectorPane.GetValue(RowSelectorPane.VisibilityProperty);
if (rowSelectorPaneVisibility != Visibility.Visible)
{
return(finalSize);
}
foreach (UIElement child in this.InternalChildren)
{
Vector offset = VisualTreeHelper.GetOffset(child);
Size desiredSize = child.DesiredSize;
rowSelectorPane.SetRowSelectorPosition(child, new Rect(offset.X, offset.Y, desiredSize.Width, desiredSize.Height), this);
}
return(finalSize);
}
public override void OnApplyTemplate()
{
base.OnApplyTemplate();
m_rowSelectorPane = this.Template.FindName("PART_RowSelectorPane", this) as RowSelectorPane;
}
public override void OnApplyTemplate()
{
base.OnApplyTemplate();
m_rowSelectorPane = this.Template.FindName( "PART_RowSelectorPane", this ) as RowSelectorPane;
}