/// <summary>
/// Add this element into the logical tree.
/// </summary>
/// <param name="parent">Interface of logical parent.</param>
public virtual void AddToLogicalTree(ILogicalParent parent)
{
if (parent != null)
{
parent.LogicalChildAdd(this);
}
}
/// <summary>
/// Add this element from the logial tree.
/// </summary>
/// <param name="parent">Interface of logical parent.</param>
public virtual void RemoveFromLogicalTree(ILogicalParent parent)
{
if (parent != null)
{
parent.LogicalChildRemove(this);
}
}
/// <summary>
/// Add this element into the logical tree.
/// </summary>
/// <param name="parent">Interface of logical parent.</param>
public override void AddToLogicalTree(ILogicalParent parent)
{
// Add ourself into the logical tree
base.AddToLogicalTree(parent);
// Add any existing cols/rows into the logical tree
ColumnDefinitions.LogicalParent = parent;
foreach (ColumnDefinition col in ColumnDefinitions)
{
col.AddToLogicalTree(parent);
}
RowDefinitions.LogicalParent = parent;
foreach (RowDefinition row in RowDefinitions)
{
row.AddToLogicalTree(parent);
}
}
/// <summary>
/// Add this element from the logial tree.
/// </summary>
/// <param name="parent">Interface of logical parent.</param>
public override void RemoveFromLogicalTree(ILogicalParent parent)
{
// Remove ourself into the logical tree
base.RemoveFromLogicalTree(parent);
// Remove any existing cols/rows from the logical tree
foreach (ColumnDefinition col in ColumnDefinitions)
{
col.RemoveFromLogicalTree(parent);
}
foreach (RowDefinition row in RowDefinitions)
{
row.RemoveFromLogicalTree(parent);
}
ColumnDefinitions.LogicalParent = parent;
RowDefinitions.LogicalParent = parent;
}
/// <summary>
/// The colleciton is the children collection of the visualParent. The logicalParent
/// is used to do logical parenting. The flags is used to invalidate
/// the resource properties in the child tree, if an Application object exists.
/// </summary>
/// <param name="visualParent">The element of whom this is a children collection</param>
/// <param name="logicalParent">The logicalParent of the elements of this collection.
/// if overriding Panel.CreateUIElementCollection, pass the logicalParent parameter of that method here.
/// </param>
public UIElementCollection(FrameworkElement parent)
{
_visualChildren = new VisualCollection(parent);
_visualParent = parent;
_logicalParent = (ILogicalParent)parent;
}
/// <summary>
/// Add this element from the logial tree.
/// </summary>
/// <param name="parent">Interface of logical parent.</param>
public override void RemoveFromLogicalTree(ILogicalParent parent)
{
// Remove ourself into the logical tree
base.RemoveFromLogicalTree(parent);
// Remove any existing cols/rows from the logical tree
foreach (ColumnDefinition col in ColumnDefinitions)
col.RemoveFromLogicalTree(parent);
foreach (RowDefinition row in RowDefinitions)
row.RemoveFromLogicalTree(parent);
ColumnDefinitions.LogicalParent = parent;
RowDefinitions.LogicalParent = parent;
}
/// <summary>
/// Add this element into the logical tree.
/// </summary>
/// <param name="parent">Interface of logical parent.</param>
public override void AddToLogicalTree(ILogicalParent parent)
{
// Add ourself into the logical tree
base.AddToLogicalTree(parent);
// Add any existing cols/rows into the logical tree
ColumnDefinitions.LogicalParent = parent;
foreach (ColumnDefinition col in ColumnDefinitions)
col.AddToLogicalTree(parent);
RowDefinitions.LogicalParent = parent;
foreach (RowDefinition row in RowDefinitions)
row.AddToLogicalTree(parent);
}
/// <summary>
/// Initialize a new instance of the MeasureElementCollection class.
/// </summary>
/// <param name="logicalParent">Reference to logical parent of this collection.</param>
internal MeasureElementCollection(ILogicalParent logicalParent)
{
_logicalParent = logicalParent;
_list = new List <T>();
}
