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Editorial Team
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Asked: 2026-05-13T08:00:45+00:00

I’m using MFC for Visual Studio 2003. I have an Edit Control with ID

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I’m using MFC for Visual Studio 2003. I have an Edit Control with ID IDC_COMMENT_EDIT.
In the following code, after my first call to GetClientRect, I don’t expect the value of rc to change.

CWnd* pWnd = GetDlgItem(IDC_COMMENT_EDIT);
if (pWnd != NULL)
{
  RECT rc;
  pWnd->GetClientRect(&rc);
  pWnd->MoveWindow(&rc, TRUE);
  pWnd->GetClientRect(&rc);
}

rc.top and rc.left are 0 all the way through, as expected.
However:
After the first call to GetClientRect, I get rc.bottom == 52, and rc.right == 575.
After the second call to GetClientRect, I get rc.bottom == 48, and rc.right == 571.

Does anyone have any idea what is going on?

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1 Answer

  1. Editorial Team

    Your call to MoveWindow is resizing. You need to use GetWindowRect instead of GetClientRect.

    The client rect only includes the client area which is the non windows elements (such as border) of the window.

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