GoXam for WPF v3
IsValidLink Method (DraggingTool)
Northwoods.GoXam.Tool Namespace > DraggingTool Class : IsValidLink Method
the Northwoods.GoXam.Link to relink to connect the fromnode and the tonode
This predicate is called to determine whether a Northwoods.GoXam.Node may be reconnected by DropOnto.
Syntax
public virtual bool IsValidLink( 
   Node fromnode,
   Node tonode,
   Link relink
)

Parameters

fromnode
tonode
relink
the Northwoods.GoXam.Link to relink to connect the fromnode and the tonode

Return Value

the result of calling IsLinkValid if relink is null, or if relink is supplied, the result of calling Northwoods.GoXam.Model.ILinksModel.IsRelinkValid, Northwoods.GoXam.Model.IConnectedModel.IsRelinkValid, or Northwoods.GoXam.Model.ITreeModel.IsRelinkValid.
Remarks
ConsiderDragOver also calls this predicate, to determine if side-effects on stationary parts should occur.
See Also

Reference

DraggingTool Class
DraggingTool Members

 

 

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