flickering problem - .NET Framework

vani

Hi
I am fresher in VC++. I am working on a VC++ Project.
I have a serious flickering problem when i am resizing
the window.
Please help me.

vani

Nov 16 '05 #1

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1916

Doug Forster

Hi,

One approach is to intercept WM_ENTERSIZEMOVE and WM_EXITSIZEMOVE messages
to detect the start and end of the resizing operation and set a flag during
the move to stop painting until the drag finishes.

Cheers
Doug Forster

"vani" <va*****@yahoo.com> wrote in message
news:0a****************************@phx.gbl...

Hi
I am fresher in VC++. I am working on a VC++ Project.
I have a serious flickering problem when i am resizing
the window.
Please help me.

vani

Nov 16 '05 #2

vani

Thanks for the reply.
I am working on the approach u told me.Once i get some
output i will let u know.

-----Original Message-----
Hi,

One approach is to intercept WM_ENTERSIZEMOVE and WM_EXITSIZEMOVE messagesto detect the start and end of the resizing operation and set a flag duringthe move to stop painting until the drag finishes.

Cheers
Doug Forster

"vani" <va*****@yahoo.com> wrote in message
news:0a****************************@phx.gbl...
Hi
I am fresher in VC++. I am working on a VC++ Project.
I have a serious flickering problem when i am resizing
the window.
Please help me.

vani

.

Nov 16 '05 #3

Best way is to remove CS_VREDRAW and CS_HREDRAW in the class style. Also,
calculating the new area to be drawn and only drawing there (if you don't
need to redraw the old area) will help a ton.

--
remove underscores to email

"Doug Forster" <doug_ZAPTHIS_AT_TONIQ_ZAPTHIS_co.nz> wrote in message
news:%2****************@TK2MSFTNGP11.phx.gbl...

Hi,

One approach is to intercept WM_ENTERSIZEMOVE and WM_EXITSIZEMOVE messages
to detect the start and end of the resizing operation and set a flag during the move to stop painting until the drag finishes.

Nov 16 '05 #4

Ferdinand Oeinck

Yes, I argee with that, remove CS_VREDRAW and CS_HREDRAW. The list of
rectangles to re-draw can be gotten from ::GetUpdateRgn and then
::GetRegionData. Clip your datastructure according to this list.

Ferdinand.

"Al" <a_wad_dell@co_dest_rike.com> wrote in message
news:ul**************@TK2MSFTNGP12.phx.gbl...

Best way is to remove CS_VREDRAW and CS_HREDRAW in the class style. Also,
calculating the new area to be drawn and only drawing there (if you don't
need to redraw the old area) will help a ton.

--
remove underscores to email

"Doug Forster" <doug_ZAPTHIS_AT_TONIQ_ZAPTHIS_co.nz> wrote in message
news:%2****************@TK2MSFTNGP11.phx.gbl...
Hi,

One approach is to intercept WM_ENTERSIZEMOVE and WM_EXITSIZEMOVE messages to detect the start and end of the resizing operation and set a flag

during
the move to stop painting until the drag finishes.

Nov 16 '05 #5

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