Exception in LoadCommandBars

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   Hi.

One of our customers got an exception in our application. I have 
analyzed the

problem. The exception comes in the function 
LoadCommandBars.

The user does not know what he exactly have done. But 
somthing like this: he

creates an customized toolbar, and he drags this 
toolbar out of the main

window. At the next start of the application the an 
exception is thrown

When i delete the registry settings of XTT it works again 
without problems.

Please help! 

In the debug version i got an assertion (look at the 
arrow); pDC is zero!

CSize CXTPOffice2003Theme::DrawCommandBarGripper(CDC* 
pDC, CXTPCommandBar*

pBar, BOOL bDraw)

{

if 
(pBar->IsDialogBar())

return DrawDialogBarGripper(pDC, pBar, 
bDraw);

CRect rc;

pBar->GetClientRect(&rc);

if 
(pBar->GetPosition() == xtpBarFloating)

{

---> 
ASSERT(pDC);

CXTPFontDC font(pDC, &m_fontSmCaption);

The 
DrawCommandBarGripper was called in this function:

CSize 
CXTPToolBar::CalcDockingLayout(int nLength, DWORD dwMode, int 
nWidth)

{

CClientDC dc(this);

CXTPFontDC font(&dc, 
GetPaintManager()->GetCommandBarFont(this));

CXTPControlPopup* pPopupExp = 
NULL;

CRect rcBorder = 
GetPaintManager()->GetCommandBarBorders(this);

if (m_dwStyle & 
CBRS_GRIPPER)

rcBorder.TopLeft() 
+=

GetPaintManager()->DrawCommandBarGripper(NULL, this, FALSE);

The 
call stack looks like 
this:

XTP9700Libud.dll!XTPPaintThemes::CXTPOffice2003Theme::Draw CommandBarGripper(CDC 
* pDC=0x00000000, CXTPCommandBar * pBar=0x020b8730, int bDraw=0x00000000) Line 436 + 0x1d C++

> 
XTP9700Libud.dll!CXTPToolBar::CalcDockingLayout(int nLength=0x00000463, 
unsigned long dwMode=0x0000008a, int nWidth=0x00000000) Line 594 + 0x33 
C++

>  
XTP9700Libud.dll!CXTPDockBar::_AdjustRow(CArray<CXTPToo lBar *,CXTPToolBar 
*> & arrRow={...}, CPoint pt={...}, int nLength=0x00000463, 
int bHorz=0x00000002, AFX_SIZEPARENTPARAMS * lpLayout=0x0012e0f8, int 
& nRemove=0xffffffff)  Line 154 + 0x2b C++

>  
XTP9700Libud.dll!CXTPDockBar::AdjustRow(CArray<CXTPTool Bar *,CXTPToolBar 
*> & arrRow={...}, CPoint pt={...}, int nLength=0x00000463, 
int bHorz=0x00000002, AFX_SIZEPARENTPARAMS * lpLayout=0x0012e0f8)  Line 301 + 0x24 C++

> XTP9700Libud.dll!CXTPDockBar::CalcDynamicLayout(int nLength=0x00000463, 
unsigned long nMode=0x0000000b, AFX_SIZEPARENTPARAMS *lpLayout=0x0012e5f0)  
Line 358 + 0x2c C++

> XTP9700Libud.dll!CXTPDockBar::OnSizeParent(unsigned 
int __formal=0x00000000, long lParam=0x0012e5f0)  Line 415 C++   
mfc71ud.dll!CWnd::OnWndMsg(unsigned int message=0x00000361, unsigned int 
wParam=0x00000000, long lParam=0x0012e5f0, long * pResult=0x0012e400) Line 
2013 + 0x11 C++

> mfc71ud.dll!CWnd::WindowProc(unsigned int 
message=0x00000361, unsigned int wParam=0x00000000, long lParam=0x0012e5f0)  
Line 1745 + 0x1e C++

>  mfc71ud.dll!AfxCallWndProc(CWnd * pWnd=0x0160b0d0, 
HWND__ * hWnd=0x00050558, unsigned int nMsg=0x00000361, unsigned 
int wParam=0x00000000, long lParam=0x0012e5f0)  Line 241 + 0x1a C++

> 
mfc71ud.dll!AfxWndProc(HWND__ * hWnd=0x00050558, unsigned 
int nMsg=0x00000361, unsigned int wParam=0x00000000, long 
lParam=0x0012e5f0) Line 389 C++ 

> mfc71ud.dll!AfxWndProcBase(HWND__ * 
hWnd=0x00050558, unsigned int nMsg=0x00000361, unsigned int 
wParam=0x00000000, long lParam=0x0012e5f0) Line 209 + 0x15 C++

> user32.dll!77d43a68() 

> user32.dll!77d43b37() 

> user32.dll!77d4546b() 

> user32.dll!77d454cc() 

>  mfc71ud.dll!CWnd::RepositionBars(unsigned int 
nIDFirst=0x00000000, unsigned int nIDLast=0x0000ffff, unsigned int 
nIDLeftOver=0x0000e900, unsigned int nFlags=0x00000002, tagRECT * 
lpRectParam=0x016070a8, const tagRECT * lpRectClient=0x00000000, int 
bStretch=0x00000001)  Line 2982 C++ 

> mfc71ud.dll!CFrameWnd::RecalcLayout(int 
bNotify=0x00000001)  Line 2008 C++

> 
mfc71ud.dll!CFrameWnd::ShowControlBar(CControlBar * pBar=0x016074e8, int 
bShow=0x00000000, int bDelay=0x00000000)  Line 1256 C++   
> XTP9700Libud.dll!CXTPCommandBars::LoadDockBarsState(const unsigned short * 
lpszProfileName=0x0058f0fc)  Line 734 C++

> XTP9700Libud.dll!CXTPCommandBars::LoadBarState(const unsigned short 
* lpszProfileName=0x0058f0fc, int bSilent=0x00000000)  Line 643 C++

> 
M210.exe!CXTPFrameWndBase<CFrameWnd>::Lo adCommandBars(const
unsigned short * lpszProfileName=0x0058f0fc, int
bSilent=0x00000000)  Line 142 + 0x19 C++

>  M210.exe!CMainFrame::OnCreate(tagCREATESTRUCTW 
*   lpCreateStruct=0x0012f4b0)  Line 365 C++ 

Author	Message Topic Search Topic Options Post Reply Create New Topic Printable Version Translate Topic
jerry2000 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 22 April 2004 Status: Offline Points: 29	Post Options Post Reply Quote jerry2000 Report Post Thanks(0) Quote Reply Topic: Exception in LoadCommandBars Posted: 27 September 2005 at 9:22am
	Hi. One of our customers got an exception in our application. I have analyzed the problem. The exception comes in the function LoadCommandBars. The user does not know what he exactly have done. But somthing like this: he creates an customized toolbar, and he drags this toolbar out of the main window. At the next start of the application the an exception is thrown When i delete the registry settings of XTT it works again without problems. Please help! In the debug version i got an assertion (look at the arrow); pDC is zero! CSize CXTPOffice2003Theme::DrawCommandBarGripper(CDC* pDC, CXTPCommandBar* pBar, BOOL bDraw) { if (pBar->IsDialogBar()) return DrawDialogBarGripper(pDC, pBar, bDraw); CRect rc; pBar->GetClientRect(&rc); if (pBar->GetPosition() == xtpBarFloating) { ---> ASSERT(pDC); CXTPFontDC font(pDC, &m_fontSmCaption); The DrawCommandBarGripper was called in this function: CSize CXTPToolBar::CalcDockingLayout(int nLength, DWORD dwMode, int nWidth) { CClientDC dc(this); CXTPFontDC font(&dc, GetPaintManager()->GetCommandBarFont(this)); CXTPControlPopup* pPopupExp = NULL; CRect rcBorder = GetPaintManager()->GetCommandBarBorders(this); if (m_dwStyle & CBRS_GRIPPER) rcBorder.TopLeft() += GetPaintManager()->DrawCommandBarGripper(NULL, this, FALSE); The call stack looks like this: XTP9700Libud.dll!XTPPaintThemes::CXTPOffice2003Theme::Draw CommandBarGripper(CDC * pDC=0x00000000, CXTPCommandBar * pBar=0x020b8730, int bDraw=0x00000000) Line 436 + 0x1d C++ > XTP9700Libud.dll!CXTPToolBar::CalcDockingLayout(int nLength=0x00000463, unsigned long dwMode=0x0000008a, int nWidth=0x00000000) Line 594 + 0x33 C++ > XTP9700Libud.dll!CXTPDockBar::_AdjustRow(CArray<CXTPToo lBar ,CXTPToolBar > & arrRow={...}, CPoint pt={...}, int nLength=0x00000463, int bHorz=0x00000002, AFX_SIZEPARENTPARAMS * lpLayout=0x0012e0f8, int & nRemove=0xffffffff) Line 154 + 0x2b C++ > XTP9700Libud.dll!CXTPDockBar::AdjustRow(CArray<CXTPTool Bar ,CXTPToolBar > & arrRow={...}, CPoint pt={...}, int nLength=0x00000463, int bHorz=0x00000002, AFX_SIZEPARENTPARAMS * lpLayout=0x0012e0f8) Line 301 + 0x24 C++ > XTP9700Libud.dll!CXTPDockBar::CalcDynamicLayout(int nLength=0x00000463, unsigned long nMode=0x0000000b, AFX_SIZEPARENTPARAMS lpLayout=0x0012e5f0) Line 358 + 0x2c C++ > XTP9700Libud.dll!CXTPDockBar::OnSizeParent(unsigned int __formal=0x00000000, long lParam=0x0012e5f0) Line 415 C++ mfc71ud.dll!CWnd::OnWndMsg(unsigned int message=0x00000361, unsigned int wParam=0x00000000, long lParam=0x0012e5f0, long pResult=0x0012e400) Line 2013 + 0x11 C++ > mfc71ud.dll!CWnd::WindowProc(unsigned int message=0x00000361, unsigned int wParam=0x00000000, long lParam=0x0012e5f0) Line 1745 + 0x1e C++ > mfc71ud.dll!AfxCallWndProc(CWnd * pWnd=0x0160b0d0, HWND__ * hWnd=0x00050558, unsigned int nMsg=0x00000361, unsigned int wParam=0x00000000, long lParam=0x0012e5f0) Line 241 + 0x1a C++ > mfc71ud.dll!AfxWndProc(HWND__ * hWnd=0x00050558, unsigned int nMsg=0x00000361, unsigned int wParam=0x00000000, long lParam=0x0012e5f0) Line 389 C++ > mfc71ud.dll!AfxWndProcBase(HWND__ * hWnd=0x00050558, unsigned int nMsg=0x00000361, unsigned int wParam=0x00000000, long lParam=0x0012e5f0) Line 209 + 0x15 C++ > user32.dll!77d43a68() > user32.dll!77d43b37() > user32.dll!77d4546b() > user32.dll!77d454cc() > mfc71ud.dll!CWnd::RepositionBars(unsigned int nIDFirst=0x00000000, unsigned int nIDLast=0x0000ffff, unsigned int nIDLeftOver=0x0000e900, unsigned int nFlags=0x00000002, tagRECT * lpRectParam=0x016070a8, const tagRECT * lpRectClient=0x00000000, int bStretch=0x00000001) Line 2982 C++ > mfc71ud.dll!CFrameWnd::RecalcLayout(int bNotify=0x00000001) Line 2008 C++ > mfc71ud.dll!CFrameWnd::ShowControlBar(CControlBar * pBar=0x016074e8, int bShow=0x00000000, int bDelay=0x00000000) Line 1256 C++ > XTP9700Libud.dll!CXTPCommandBars::LoadDockBarsState(const unsigned short * lpszProfileName=0x0058f0fc) Line 734 C++ > XTP9700Libud.dll!CXTPCommandBars::LoadBarState(const unsigned short * lpszProfileName=0x0058f0fc, int bSilent=0x00000000) Line 643 C++ > M210.exe!CXTPFrameWndBase<CFrameWnd>::Lo adCommandBars(const unsigned short * lpszProfileName=0x0058f0fc, int bSilent=0x00000000) Line 142 + 0x19 C++ > M210.exe!CMainFrame::OnCreate(tagCREATESTRUCTW * lpCreateStruct=0x0012f4b0) Line 365 C++