> It seems that the control's intrinsic WM_ERASEBKGND message causes the

> Can I keep the control from erasing its background before raising the

> > Can I keep the control from erasing its background before raising =
the=20
> Paint() event?
>=20
> Yes. You can do it without any problem.

Axel Dahmen wrote:
> Thanks, Linda, for trying to help.
>
> Unfortunately I'm running this particular project on VStudio 2002/.NET 1.0, which doesn't appear to have a DoubleBuffered property or any other double buffering support. Or does it?
>
> Regards,
> Axel Dahmen
>
>
> ---------------------
> "Linda Liu[MSFT]" <v-lliu@online.microsoft.com> schrieb im Newsbeitrag news:PA1YqjaJIHA.4268@TK2MSFTNGHUB02.phx.gbl...
>> Hi Axel,
>>
>> You have two options to reduce the flicker problem in your application.
>>
>> Option 1: Draw Images Off-Screen
>>
>> You can reduce the flicker when drawing large images by using a Graphics
>> object not associated with the form to create the image off-screen. Then
>> draw the image on the screen using a Graphics object of the form.
>>
>> For more information on how to do this, please refer to the following MSDN
>> Document:
>>
>> 'How to: Draw Images Off-Screen'
>> http://msdn2.microsoft.com/en-us/library/ms172506.aspx
>>
>> Option 2: Double Buffering
>>
>> Double buffering uses a memory buffer to address the flicker problems
>> associated with multiple paint operations. When double buffering is
>> enabled, all paint operations are first rendered to a memory buffer instead
>> of the drawing surface on the screen. After all paint operations are
>> completed, the memory buffer is copied directly to the drawing surface
>> associated with it. Because only one graphics operation is performed on the
>> screen, the image flickering associated with complex painting operations is
>> eliminated.
>>
>> For more information on double buffering, please refer to the following
>> MSDN Documents:
>>
>> 'Double Buffered Graphics'
>> https://msdn2.microsoft.com/en-us/library/b367a457.aspx
>>
>> 'How to: Manually Manage Buffered Graphics'
>> https://msdn2.microsoft.com/en-us/library/tdk2485d.aspx
>>
>> 'How to: Manually Render Buffered Graphics'
>> https://msdn2.microsoft.com/en-us/library/ka0yazs1.aspx
>>
>> Hope this helps.
>> If you have any question, please feel free to me know.
>>
>> Sincerely,
>> Linda Liu
>> Microsoft Online Community Support
>>
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