Zooming In on a Selection: Step 1

On WIN32 systems, include the GDI library so that we can display an outline of the selection. The code should appear as follows:

#include <wingdi.h> /* For GDI functions */

Help Version 19.0.2017.10.27
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LEADTOOLS Raster Imaging C API Help
Introduction
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LEADTOOLS Raster Imaging Features
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Quick Reference
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