Pen width and XOR drawing

enonod

Well-Known Member
Licensed User
I have searched but not found (almost always no hits). I wish to alter/set the pen width when drawing.
I cannot find how to set the pen to XOR so that a second drawing of the same line removes it (for rubber banding).
Any pointers please?
 

klaus

Expert
Licensed User

enonod

Well-Known Member
Licensed User
Thank you klaus for those pointers, I don't know why my search didn't find them.
A question now occurs to me. I have never come across ForeLayer in any other language, is there only one? If so does that mean a form has two layers and can they just be switched between etc?
What is its main purpose (why was it invented :))
Any further info and common usage would be appreciated.
 
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