So, I was wondering how to increase and decrease line thickness for drawing on canvas using plus and minus buttons? I already have the plus and minus buttons. I already have a label by default starting at 5. But the buttons are not functional and the label is still at 5. Once I click the plus button, it needs to increase by 1, (6,7,8,9,10) to a Max line width of (10). And If I hit the minus button, (4,3,2,1) to a Min line width of 1. I believe we have to use if statements. How do we build this?
So we don't need variables right?
You can use a variable if you want, I used the Label.text which serves as a "variable" and displays the line width value
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Would I initialize the global variable to "5" or something else?
It's not working. when i click the plus and minus buttons it is not going up and down by 1
In my example just set Label1.text value to 5.
Its not working doesn't help 
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Ok never mind.. I got it to work. Thank you so much for the help!
To change the thickness of a line that has already been drawn, you must draw the lines again with a different thickness.
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