vtkProperty* aProp = vtkProperty::New();
GetColor( "SMESH", "selection_element_color", anRGB[0], anRGB[1], anRGB[2], QColor( 0, 170, 255 ) );
aProp->SetColor(anRGB[0],anRGB[1],anRGB[2]);
myPreviewActor->SetProperty( aProp );
vtkProperty* aProp = vtkProperty::New();
GetColor( "SMESH", "selection_element_color", anRGB[0], anRGB[1], anRGB[2], QColor( 0, 170, 255 ) );
aProp->SetColor(anRGB[0],anRGB[1],anRGB[2]);
myPreviewActor->SetProperty( aProp );