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I have a CColorOptionsDialog I am using to select colors for a program. I have provided a custom template and hook procedure. It works well on a Windows XP machine but when I run it on a Windows 10 machine it is very slow. Not sure why. I have tried everything. BTW I am new to this forum so I apologize in advance for everything I am doing wrong.



What I have tried:

Changing the Paint routine and variables add a WM_MOUSEMOVE to see if it speeds up things.
Mohibur Rashid 3-Sep-18 20:31pm
Have you recompiled it for windows 10?
Jochen Arndt 4-Sep-18 3:31am
Be careful with WM_MOUSEMOVE handlers. They are called repeatedly with each mouse movement and should therefore not perform time consuming tasks.

If you are actually testing it with a Debug build, try a release build. That might be much faster.

For further help you should show us the relevant code.

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