/// <summary>
/// Called after the visual tree of the control has been built.
/// Search for and cache references to named parts defined in the XAML control template for NetworkView.
/// </summary>
public override void OnApplyTemplate()
{
base.OnApplyTemplate();
//
// Cache the parts of the visual tree that we need access to later.
//
this.nodeItemsControl = (NodeItemsControl)this.Template.FindName("PART_NodeItemsControl", this);
if (this.nodeItemsControl == null)
{
throw new ApplicationException("Failed to find 'PART_NodeItemsControl' in the visual tree for 'NetworkView'.");
}
//
// Synchronize initial selected nodes to the NodeItemsControl.
//
if (this.initialSelectedNodes != null && this.initialSelectedNodes.Count > 0)
{
foreach (var node in this.initialSelectedNodes)
{
this.nodeItemsControl.SelectedItems.Add(node);
}
}
this.initialSelectedNodes = null; // Don't need this any more.
this.nodeItemsControl.SelectionChanged += new SelectionChangedEventHandler(nodeItemsControl_SelectionChanged);
this.connectionItemsControl = (ItemsControl)this.Template.FindName("PART_ConnectionItemsControl", this);
if (this.connectionItemsControl == null)
{
throw new ApplicationException("Failed to find 'PART_ConnectionItemsControl' in the visual tree for 'NetworkView'.");
}
this.dragSelectionCanvas = (FrameworkElement)this.Template.FindName("PART_DragSelectionCanvas", this);
if (this.dragSelectionCanvas == null)
{
throw new ApplicationException("Failed to find 'PART_DragSelectionCanvas' in the visual tree for 'NetworkView'.");
}
this.dragSelectionBorder = (FrameworkElement)this.Template.FindName("PART_DragSelectionBorder", this);
if (this.dragSelectionBorder == null)
{
throw new ApplicationException("Failed to find 'PART_dragSelectionBorder' in the visual tree for 'NetworkView'.");
}
this.gridCanvas = (FrameworkElement)this.Template.FindName("PART_GridCanvas", this);
if (this.gridCanvas == null)
{
throw new ApplicationException("Failed to find 'PART_GridCanvas' in the visual tree for 'NetworkView'.");
}
this.gridCanvas.Loaded += this.BuildGrid;
}
/// <summary>
/// Called after the visual tree of the control has been built.
/// Search for and cache references to named parts defined in the XAML control template for NetworkView.
/// </summary>
public override void OnApplyTemplate()
{
base.OnApplyTemplate();
//
// Cache the parts of the visual tree that we need access to later.
//
this.nodeItemsControl = (NodeItemsControl)this.Template.FindName("PART_NodeItemsControl", this);
if (this.nodeItemsControl == null)
{
throw new ApplicationException("Failed to find 'PART_NodeItemsControl' in the visual tree for 'NetworkView'.");
}
//
// Synchronize initial selected nodes to the NodeItemsControl.
//
if (this.initialSelectedNodes != null && this.initialSelectedNodes.Count > 0)
{
foreach (var node in this.initialSelectedNodes)
{
this.nodeItemsControl.SelectedItems.Add(node);
}
}
this.initialSelectedNodes = null; // Don't need this any more.
this.nodeItemsControl.SelectionChanged += new SelectionChangedEventHandler(nodeItemsControl_SelectionChanged);
this.connectionItemsControl = (ItemsControl)this.Template.FindName("PART_ConnectionItemsControl", this);
if (this.connectionItemsControl == null)
{
throw new ApplicationException("Failed to find 'PART_ConnectionItemsControl' in the visual tree for 'NetworkView'.");
}
this.dragSelectionCanvas = (FrameworkElement)this.Template.FindName("PART_DragSelectionCanvas", this);
if (this.dragSelectionCanvas == null)
{
throw new ApplicationException("Failed to find 'PART_DragSelectionCanvas' in the visual tree for 'NetworkView'.");
}
this.dragSelectionBorder = (FrameworkElement)this.Template.FindName("PART_DragSelectionBorder", this);
if (this.dragSelectionBorder == null)
{
throw new ApplicationException("Failed to find 'PART_dragSelectionBorder' in the visual tree for 'NetworkView'.");
}
}
