erase and edit freehand in gui

I have a figure and draw shapes by imfreehand on it. but now i wanna to erase a part of that freehand.how can i do it? thx for your help...

Answer 1

[Paulo Silva]

Use the delete key from your keyboard after clicking on the shape line, for example:

figure, imshow('pout.tif');
h = imfreehand;
wait(h);