C / C++ / MFC

<small>

TCHAR lpString[1024] = _T("");

if ((strcmp(c, "ExploreWClass") == 0) || strcmp(c, "CabinetWClass") == 0) {
   HWND hWorker, hReBar32, hCombo32, hCombo, hEdit;

   hWorker = FindWindowEx(hwnd, 0, "WorkerW", NULL);
   
   if (hWorker) {
      hReBar32 = FindWindowEx(hWorker, 0, "ReBarWindow32", NULL);

      if (hReBar32) {
         hCombo32 = FindWindowEx(hReBar32, 0, "ComboBoxEx32", NULL);

         if (hCombo32) {
            hCombo = FindWindowEx(hCombo32, 0, "ComboBox", NULL);

            if (hCombo) {
               hEdit = FindWindowEx(hCombo, 0, "Edit", NULL);

               if (hEdit) {
                  SendMessage(hEdit, WM_GETTEXT, 1024, (LPARAM)(void*)lpString);
               }
            }
         }
      }
   }
}
</small>

void ThemeButton::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct)
{
  HDC     hDC    = lpDrawItemStruct->hDC;
  CDC*    pDC    = CDC::FromHandle(hDC);
  CRect   rc     = lpDrawItemStruct->rcItem;
  CString sText    (_T(""));
 
  ::CopyRect(&m_pGDSData->rcClip,rc);
  ::CopyRect(&m_pGDSData->rcDest,rc);
  m_pGDSData->hDC = hDC;
 
   if( !(lpDrawItemStruct->itemState & (ODS_DISABLED|ODS_SELECTED)) )
  {
    if( !m_tracking )
    {
      if( lpDrawItemStruct->itemState & ODS_FOCUS )
      ::CopyRect(&m_pGDSData->rcSrc,m_rcDefault);
      else
      ::CopyRect(&m_pGDSData->rcSrc,m_rcNormal);
    }
    else
      ::CopyRect(&m_pGDSData->rcSrc,m_rcHot);
  }
  else
  {
    if( lpDrawItemStruct->itemState & ODS_SELECTED )
      ::CopyRect(&m_pGDSData->rcSrc,m_rcPressed);
    if( lpDrawItemStruct->itemState & ODS_DISABLED )
      ::CopyRect(&m_pGDSData->rcSrc,m_rcDissabled);
  }
 
  <big>(*GdiDrawStreamFunc)(hDC,sizeof(GdiDrawStreamStruct),m_pGDSData); // THIS CRASHES ON WIN2K</big>
 
  ...
}
 
 

BOOL ThemeButton::InitControl(...)
{
...
  m_pGDSData = new GdiDrawStreamStruct;
  ZeroMemory(m_pGDSData,sizeof(GdiDrawStreamStruct));
 
  m_pGDSData->...      = ...;
  m_pGDSData->...       = ...;
...
}	

PGdiDrawStreamStruct m_pGDSData;
 
 
typedef struct GdiDrawStreamStruct_tag
{
  DWORD   signature;     // = 0x44727753;//"Swrd"
  DWORD   reserved;      // Zero value.
  HDC     hDC;           // handle to the device object of windiw to draw.
  RECT    rcDest;        // desination rect of window to draw.
  DWORD   unknown1;      // must be 1.
  HBITMAP hImage;        // handle to the specia bitmap image.
  DWORD   unknown2;      // must be 9.
  RECT    rcClip;        // desination rect of window to draw.
  RECT    rcSrc;         // source rect of bitmap to draw.
  DWORD   drawOption;    // option flag for drawing image.
  DWORD   leftArcValue;  // arc value of left side.
  DWORD   rightArcValue; // arc value of right side.
  DWORD   topArcValue;   // arc value of top side.
  DWORD   bottomArcValue;// arc value of bottom side.
  DWORD   crTransparent; // transparent color.

} GdiDrawStreamStruct, *PGdiDrawStreamStruct;