GoXam for WPF v3
Invalidate Method (IDiagramLayout)
Northwoods.GoXam.Layout Namespace > IDiagramLayout Interface : Invalidate Method
a LayoutChange hint describing what change may have made the layout invalid
an optional Northwoods.GoXam.Part that has changed
Declare that this layout might no longer be valid, depending on the reason for the change.
Syntax
void Invalidate( 
   LayoutChange reason,
   Part part
)

Parameters

reason
a LayoutChange hint describing what change may have made the layout invalid
part
an optional Northwoods.GoXam.Part that has changed
Remarks
Depending on the arguments and on the DiagramLayout.Conditions, this should set ValidLayout to false.
See Also

Reference

IDiagramLayout Interface
IDiagramLayout Members