public void Remove()
{
foreach (var connection in ConnectionsFrom)
{
// remove shapes
connection.RemoveFromUICollection((Parent as Canvas).Children);
// remove connection from connected element
connection.Left.RemoveConnection(connection);
// remove connection from global list
Workspace.Connections.Remove(connection);
}
foreach (var connection in ConnectionsTo)
{
// remove shapes
connection.RemoveFromUICollection((Parent as Canvas).Children);
// remove connection from connected element
connection.Right.RemoveConnection(connection);
// remove connection from global list
Workspace.Connections.Remove(connection);
}
// remove all connections
ConnectionsFrom.Clear();
ConnectionsTo.Clear();
// remove user control
(Parent as Canvas).Children.Remove(this);
}
public virtual void RemoveConnection(Connection connection)
{
if (ConnectionsTo.Remove(connection))
{
HilightOutputAnchorOffByName(connection.LeftAnchorName);
}
if (ConnectionsFrom.Remove(connection))
{
// set right input value to null
var rightProperty = NodeInstance.GetType().GetProperty(connection.RightPropertyName);
if (rightProperty != null)
{
rightProperty.SetValue(NodeInstance, null);
}
EnableInputElement(connection.RightAnchorName);
HilightInputAnchorOffByName(connection.RightAnchorName);
}
}
public virtual void AddConnectionTo(Connection connection)
{
ConnectionsTo.Add(connection);
}
