How to avoid the entire window draw when WM_SETFOCUS or WM_KILLFOCUS message is received

[Matrixinline]

Hi All,

I do not want my window to redraw completely when it gets focus or
loose focus.

How can I avoid redrawing the entire window. I just wish only caption
frame gets redrawn.

Thanks
Anup

[AliR]

Why do you think that your entire window is getting redrawn when the focus
changes?

That is not the default behavior of windows, only the none client area of
the window is redrawn (basically the border and titlebar).

Are you possibly doing something that cases the window to redraw?

AliR.

"Matrixinline" <anup.k...@gmail.com> wrote in message
news:a84c4303-9221-4aa9...@y10g2000prg.googlegroups.com...

[Matrixinline]

On Nov 5, 7:39 am, "AliR" <A...@online.nospam> wrote:
> Why do you think that your entire window is getting redrawn when the focus
> changes?
>
> That is not the default behavior of windows, only the none client area of
> the window is redrawn (basically the border and titlebar).
>
> Are you possibly doing something that cases the window to redraw?
>
> AliR.
>

> "Matrixinline" <anup.kata...@gmail.com> wrote in message

>
> news:a84c4303-9221-4aa9...@y10g2000prg.googlegroups.com...
>
> > Hi All,
>
> > I do not want my window to redraw completely when it gets focus or
> > loose focus.
>
> > How can I avoid redrawing the entire window. I just wish only caption
> > frame gets redrawn.
>
> > Thanks
> > Anup

I found the the solution. one need to modify the style of window to
WS_CLIPCHILDREN. it means when the frame gets redrawn it excludes the
client region of window

[AliR]

Ok But that still doesn't answer the question of why your window is getting
redrawn when the focus changes!

This is like putting a Band-Aid on a gun shot wound. Don't you think you
should take the bullet out first?

AliR.

"Matrixinline" <anup.k...@gmail.com> wrote in message

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