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The function '''on.paint'''(''[[:Category:gc|gc]]'') is called when the script's window needs to be painted.<br />
''[[:Category:gc|'gc']]'' is the Graphics Context, passed by default to the function.
This function can be flagged to fire by calling the [[platform.window:invalidate]] function.
== Example ==
Below is an example of a program that uses on.paint(gc) to draw a line to the screen:
<source lang="lua">
function on.paint(gc) --Define a function for the event with the default argument
gc:drawLine(5,5,200,1) --Draw a line on the screen
end
</source>
[[Category:Events]]
