阻止用户移动窗口

下面是阻止用户移动窗口的一个方法:

void CAboutDlg::OnMoving(UINT fwSide, LPRECT pRect) 
{
// CDialog::OnMoving(fwSide, pRect);  不必有这句!
CRect rect;
GetWindowRect(&rect);
pRect->top = rect.top;
pRect->left = rect.left;
pRect->right = rect.right;
pRect->bottom = rect.bottom;
}