private IDictionary<YodiiGraphVertex, Point> RaisePositionRequest()
{
var v = VertexPositionRequest;
VertexPositionEventArgs args = new VertexPositionEventArgs();
if( v != null )
{
v( this, args );
}
return args.VertexPositions;
}
void _vm_VertexPositionRequest( object sender, VertexPositionEventArgs e )
{
e.VertexPositions = GraphArea.GetVertexPositions();
}