custom GDI+ component and OnPain

[David Sobey]

Hi

I'm making a custom component using GDI+, a calendar grid thingy. I paint
the grid and numbers in my overrided OnPaint. However, when i go to paint
other things at other times in other functions, like cute little rectangles
or fancy text, it calls OnPaint and I'm fairly sure it's painting over what
i just painted 3 nanoseconds ago, coz nothing is appearing. Good way around
this prob?

cheers
dave

 

[Bob Powell [MVP]]

Never paint in anything EXCEPT the OnPaint call. I suspect you're doing
something clever like painting in a click-event or timer by using the
CreateGraphics call.

See the GDI+ FAQ most asked question for why this is going to be a paintful
experience for you.

--
Bob Powell [MVP]
Visual C#, System.Drawing

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