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November 3rd, 2012, 09:34 AM
#1
how I can view the line length in cm. to the user (using map mode)
Hi
my program allow user to draw lines and the user should know the length of the line that he draw in centimeter (.cm)
I did use
SetMapMode(MM_LOMETRIC) function to convert the device units into logical units
and it works correctly but I don't know how the line length will appear to the user to let him draw in correct length
I think to make the length appear on the mouse when the user draw but I don't know how I calculate and display it
can you please help me with ideas to do that
thanks a lot
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