Zooming In on a Selection: Step 3

In the MainWndProc function, add some new local variables to support the GDI functions. You can add the following code to the existing variable declarations at the beginning of the function: 

```END

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LEADTOOLS Raster Imaging C API Help
Introduction
Version History
Getting Started
Files To Be Included With Your Application
Document Writers – Files To Be Included With Your Application
LEADTOOLS Raster Imaging Features
Quick Reference
Tutorials
Function References
Callback Functions
Summary of Features
Appendix
Products | Support | Contact Us | Intellectual Property Notices
© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.