C / C++ / MFC

Kixdemp wrote:

Why won't it work?!

"The greatest good you can do for another is not just to share your riches but to reveal to him his own." - Benjamin Disraeli

"The greatest good you can do for another is not just to share your riches but to reveal to him his own." - Benjamin Disraeli

struct OffsetInfo
{
     OffsetInfo(HWND hWnd, int OffsetX, int OffsetY):
      m_hDialog(hDialog), m_OffsetX(OffsetX), m_OffsetY(OffsetY)
     {}

     HWND m_hDialog;
     int m_OffsetX;
     int m_OffsetY;
};
 
BOOL CALLBACK EnumChildProc(HWND hwnd, LPARAM lParam)
{
     // Get access to data.
     OffsetInfo* pInfo = reinterpret_cast<OffsetInfo*>(lParam);
 
     // Get the position of the child.
     RECT rc;
     GetWindowRect(hwnd, &rc); // We're assuming success here.
     POINT pt = {rc.left, rc.top};
     ScreenToClient(pInfo->m_hDialog, &pt); // We're assuming success here.
  
     // Offset the child position.
     pt.x += pInfo->m_OffsetX;
     pt.y += pInfo->m_OffsetY;
 
     // Move the child.
     SetWindowPos(hwnd, NULL, pt.x, pt.y, 0, 0, SWP_NOZORDER|SWP_NOSIZE);
 
     return TRUE; // Continue enumeration.
}
 
void CYourDialog::DoIt()
{
     // Before the dialog is expanded.
     CRect rcBefore;
     GetClientRect(&rcBefore);
 
     // Expand the dialog here......
 
     CRect rcAfter;
     GetClientRect(&rcAfter);
  
     // Now we move the children.
     OffsetInfo oi(m_hWnd, (rcAfter.Width()-rcBefore.Width())/2, (rcAfter.Height()-rcBefore.Height())/2);
     EnumChildWindows(m_hWnd, &EnumChildProc, reinterpret_cast<LPARAM>(&oi));
}