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zooming  a  flowchart

Posted on 1998-06-16
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Last Modified: 2013-11-20
I have a combo box  with different sizes.
Whwn I select a size ( say  50 %, 60 % etc..)  accordingly the flowchart should be zoomed.
I want to do the zooming option  as in Paintbrush.
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Question by:prasadg
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danny_pav earned 50 total points
ID: 1318070
1. When you change % use a call to Invalidate to force a redraw
2. Modify your OnDraw handler to change the map mode according to the % chosen.
Danny Pav

More Info to Come...

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by:danny_pav
ID: 1318071
Also see
SetViewportExtEx
SetWindowExtEx
considering the mapping modes: MM_ISOTROPIC, and MM_ANISOTROPIC

On MSDN, there is a good article titled: Coordinate Mapping
its on the Platform Articles, GDI and OpenGL Articles
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