How to implement Bounding Box(Multiple selection of objects) and grouping as implemented in Photoshop using WPF( using SVG/PVG) /Winforms?

Question

Hello Everybody, I am working on WPF with SVG,PVG(these are the format used ofr WPF, not using XAML) for a Publishing application. I want to implement the multiselect of different objects and scaling to them and also grouping them and implementing rotating and moving and sacling the objects as group . I want the exact/some pont near to what photoshop/Scribus has implemented in their application.

Thanks, Himanshu