How to update a Edit Control as fast as possible?

[larry]

In my program I tried to update a edit control's text very fast, but It
seems there's no time to update it.
Following is my code. IDC_EDIT1 is a edit control;

//***************************
CString strTest;
for(int i=0;i<10;i++)
{

strTest.Format("%d",i);
CWnd* pwnd=GetDlgItem(IDC_EDIT1);
pwnd->SetWindowText(strTest);
Sleep(200);
}
//*******************************

I tried to add pwnd->Invalidate(TRUE); before Sleep(200); but it doesn't
work. Would you like to help me? I really appreicate your time and
help.

Regards,

Larry
Larry

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[Brian Muth]

You need to pump the message queue. Calling Sleep() simply freezes your
application for the duration of its call.

Brian

[William DePalo [MVP VC++]]

"larry" <la************@rogers.com> wrote in message
news:uO****************@TK2MSFTNGP14.phx.gbl...

In my program I tried to update a edit control's text very fast, but It
seems there's no time to update it.
Following is my code. IDC_EDIT1 is a edit control;
...
I tried to add pwnd->Invalidate(TRUE); before Sleep(200); but it doesn't
work. Would you like to help me? I really appreicate your time and
help.

The Invalidate method just marks the client area as need an update.

As Brian implies, when your application removes and dispatched the paint
message ( a low priority message, btw), the job will be complete.
Alternatively you can call ::UpdateWindow() after invalidate which causes a
paint message to be processed if the update region is not empty.

Regards,
Will

[larry]

Thank you very much for your help. UpdateWindow() works. I really
appreciate your help.

Have a good day.

Larry

Larry

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