In Edraw, you can clip a drawing with a rectangle area and save it as graphic file.
Click Clip Region on toolbar.
Click any position of the drawing, and drag it to the position you want.
A clip object will be created and all the region will become gray except the clip object. Resize or move the clip object until you want.
Press Enter or double click the clip object and theSave Asdialog will come up.
Type the name you want, and select the graphic format and file direction.