protected override void Uninitialize()
{
BindingOperations.ClearBinding(this,
TableViewColumnVirtualizationManager.FixedColumnCountProperty);
BindingOperations.ClearBinding(this,
TableViewColumnVirtualizationManager.IsVirtualizingProperty);
BindingOperations.ClearBinding(this,
TableViewColumnVirtualizationManager.FirstColumnCompensationOffsetProperty);
if (m_scrollViewer != null)
{
m_scrollViewer.ScrollChanged -= new ScrollChangedEventHandler(this.ScrollViewer_ScrollChanged);
}
ColumnActualWidthEventManager.RemoveListener(this.DataGridContext.Columns, this);
DataGridControlTemplateChangedEventManager.RemoveListener(this.DataGridContext.DataGridControl, this);
CollectionChangedEventManager.RemoveListener(this.DataGridContext.Items.SortDescriptions, this);
CollectionChangedEventManager.RemoveListener(this.DataGridContext.Items.GroupDescriptions, this);
base.Uninitialize();
}
protected override void Initialize()
{
base.Initialize();
CollectionChangedEventManager.AddListener(this.DataGridContext.Items.SortDescriptions, this);
CollectionChangedEventManager.AddListener(this.DataGridContext.Items.GroupDescriptions, this);
ColumnActualWidthEventManager.AddListener(this.DataGridContext.Columns, this);
DataGridControlTemplateChangedEventManager.AddListener(this.DataGridContext.DataGridControl, this);
this.UpdateScrollViewer();
var fixedColumnCountBindingBase = new Binding(TableView.FixedColumnCountProperty.Name);
fixedColumnCountBindingBase.Source = this.DataGridContext;
fixedColumnCountBindingBase.Mode = BindingMode.TwoWay;
BindingOperations.SetBinding(this, TableViewColumnVirtualizationManagerBase.FixedColumnCountProperty, fixedColumnCountBindingBase);
var compensationOffsetBinding = new Binding();
compensationOffsetBinding.Path = new PropertyPath(TableView.CompensationOffsetProperty);
compensationOffsetBinding.Source = this.DataGridContext;
compensationOffsetBinding.Mode = BindingMode.OneWay;
BindingOperations.SetBinding(this, TableViewColumnVirtualizationManagerBase.FirstColumnCompensationOffsetProperty, compensationOffsetBinding);
var columnVirtualizationModeBindingBase = new Binding();
columnVirtualizationModeBindingBase.Source = this.DataGridContext;
columnVirtualizationModeBindingBase.Path = new PropertyPath(TableView.ColumnVirtualizationModeProperty.Name);
columnVirtualizationModeBindingBase.Mode = BindingMode.OneWay;
BindingOperations.SetBinding(this, TableViewColumnVirtualizationManagerBase.VirtualizationModeProperty, columnVirtualizationModeBindingBase);
}
protected override void Initialize()
{
base.Initialize();
CollectionChangedEventManager.AddListener(this.DataGridContext.Items.SortDescriptions, this);
CollectionChangedEventManager.AddListener(this.DataGridContext.Items.GroupDescriptions, this);
ColumnActualWidthEventManager.AddListener(this.DataGridContext.Columns, this);
DataGridControlTemplateChangedEventManager.AddListener(this.DataGridContext.DataGridControl, this);
this.UpdateScrollViewer();
m_fixedColumnCount = TableView.GetFixedColumnCount(this.DataGridContext);
Binding fixedColumnCountBindingBase = new Binding("FixedColumnCount");
fixedColumnCountBindingBase.Source = this.DataGridContext;
fixedColumnCountBindingBase.Mode = BindingMode.OneWay;
BindingOperations.SetBinding(this,
TableViewColumnVirtualizationManager.FixedColumnCountProperty,
fixedColumnCountBindingBase);
// We must get the value first since it is a bound property
m_fixedColumnCount = ( int )this.GetValue(TableViewColumnVirtualizationManager.FixedColumnCountProperty);
Binding isColumnVirtualizingEnabledBindingBase = new Binding();
isColumnVirtualizingEnabledBindingBase.Source = this.DataGridContext;
isColumnVirtualizingEnabledBindingBase.Path =
new PropertyPath(TableView.IsColumnVirtualizationEnabledProperty);
isColumnVirtualizingEnabledBindingBase.Mode = BindingMode.OneWay;
BindingOperations.SetBinding(this,
TableViewColumnVirtualizationManager.IsVirtualizingProperty,
isColumnVirtualizingEnabledBindingBase);
Binding compensationOffsetBinding = new Binding();
compensationOffsetBinding.Path =
new PropertyPath(TableView.CompensationOffsetProperty);
compensationOffsetBinding.Source = this.DataGridContext;
compensationOffsetBinding.Mode = BindingMode.OneWay;
BindingOperations.SetBinding(this,
TableViewColumnVirtualizationManager.FirstColumnCompensationOffsetProperty,
compensationOffsetBinding);
// We must get the value first since it is a bound property
this.IsVirtualizingCache = ( bool )this.GetValue(TableViewColumnVirtualizationManager.IsVirtualizingProperty);
}
