Demo Splitter add OnSize than run suspended

[Erik Don]

Hello All,

I want the splitter in Demo Splitter can be reposition by size changed, than add virural function OnSize() but CFrameT and CDocker all have virtual function called (LRESULT/void)OnSize , I have to rewrite the LRESULT version.
LRESULT CMainFrame::OnSize(UINT msg, WPARAM wparam, LPARAM lparam)
{
CRect viewRect = GetViewRect();
m_pDockTree->SetDockSize(viewRect.Height()/2);
m_pDockList->SetDockSize(viewRect.Width()/2);
m_pDockText->SetDockSize(viewRect.Width()/2);

return CFrameT<CDocker>::OnSize(msg, wparam, lparam);

}
After compiling, the Splitter.exe can't be run, windows says : "Splitter.exe has stopped work, ... choose close or debug".

How can I do if I want the splitter can be reposition by window size changed?

[David]

Hi Erik,

Your OnSize code fails because m_pDockTree, m_pDockList and m_pDockTest are initially NULL.

I encourage you to have a look at the Proportional Resize option demonstrated in the Dock sample. You may not need to override OnSize with the DS_NO_FIXED_RESIZE option set.

Best regards,
David

[Erik Don]

Hi, David,

Thank you very much, the DS_NO_FIXED_RESIZE works for my purpose.
In OnSize even I checked m_pDock...->IsWindow() the app still suspended.