private void CustomDataGridLoaded(object sender, RoutedEventArgs e)
{
var panel = Helper.GetVisualChild <CustomDataGridRowsPresenter>(this);
if (panel != null)
{
panel.InvalidateArrange();
}
var extendedDataGrid = this as ExtendedDataGrid;
if (extendedDataGrid != null && extendedDataGrid.FrozenRowCount != 0)
{
PropertyMetadata stye = DefaultStyleKeyProperty.GetMetadata(typeof(CustomDataGrid));
Type ownerType = typeof(CustomDataGrid);
if (((Type)(stye.DefaultValue)).Name == "DataGrid")
{
DefaultStyleKeyProperty.OverrideMetadata(ownerType, new FrameworkPropertyMetadata(ownerType));
}
stye = ItemsPanelProperty.GetMetadata(ownerType);
if (((FrameworkTemplate)(stye.DefaultValue)).VisualTree.Type != typeof(CustomDataGridRowsPresenter))
{
ItemsPanelProperty.OverrideMetadata(ownerType,
new FrameworkPropertyMetadata(
new ItemsPanelTemplate(
new FrameworkElementFactory(
typeof(CustomDataGridRowsPresenter)))));
}
}
if (panel != null)
{
panel.InvalidateArrange();
}
}
/// <summary>
/// Property changed callback fro FrozenRowCount
/// </summary>
/// <param name="d"></param>
/// <param name="e"></param>
private static void OnFrozenRowCountPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
var extendedDataGrid = d as ExtendedDataGrid;
if (extendedDataGrid != null && extendedDataGrid.FrozenRowCount == 0)
{
return;
}
var panel = Helper.GetVisualChild <CustomDataGridRowsPresenter>(d as Visual);
if (panel != null)
{
panel.InvalidateArrange();
}
else
{
PropertyMetadata style = DefaultStyleKeyProperty.GetMetadata(typeof(CustomDg));
Type ownerType = typeof(CustomDg);
if (((Type)(style.DefaultValue)).Name == "DataGrid")
{
DefaultStyleKeyProperty.OverrideMetadata(ownerType, new FrameworkPropertyMetadata(ownerType));
}
style = ItemsPanelProperty.GetMetadata(ownerType);
if (((FrameworkTemplate)(style.DefaultValue)).VisualTree.Type != typeof(CustomDataGridRowsPresenter))
{
ItemsPanelProperty.OverrideMetadata(ownerType,
new FrameworkPropertyMetadata(
new ItemsPanelTemplate(
new FrameworkElementFactory(
typeof(CustomDataGridRowsPresenter)))));
}
panel = Helper.GetVisualChild <CustomDataGridRowsPresenter>(d as Visual);
if (panel != null)
{
panel.InvalidateArrange();
}
}
var dataGrid = d as DataGrid;
if (dataGrid != null)
{
try
{
dataGrid.UpdateLayout();
}
catch
{
}
}
if (panel != null)
{
panel.InvalidateArrange();
}
}
public StyleTabControl()
{
Assert.AreEqual(DefaultStyleKey, typeof(TabControl), "1");
Assert.AreSame(DefaultStyleKeyProperty.GetMetadata(this), DefaultStyleKeyProperty.GetMetadata(typeof(TabControl)), "2");
}