Forum

1.

On January 29, 2004 I put a message called: Sliders in resizable control bars
You posted a solution that worked fine until Prof-UIS 2.30. The solution made use of

virtual bool CExtPaintManager::PaintDockerBkgnd();

In Prof-UIS 2.30 the signature of this member function changed from

virtual bool CExtPaintManager::PaintDockerBkgnd(
  CDC& dc,
  const CRect& rcDst,
  const CRect& rcWnd,
  LPARAM lParam = NULL
  );

to

virtual bool CExtPaintManager::PaintDockerBkgnd(
  bool bClientMapping,
  CDC& dc,
  const CRect& rcDst,
  const CRect& rcWnd,
  LPARAM lParam = NULL
  );

The question I have is: what value should I use for the newly introduced first parameter?

2.

And one more thing: the solution you sent made use of ExtMemoryDC. Unfortunately, the file ExtMemoryDC.H belongs to the private interface (found in the src folder) Would it be possible for you to move it in the include folder in the future releases?

Thanks,

Emil

Gettica Inc

 

 

Yes, the CExtPaintManager::PaintDockerBkgnd() method now has a new parameter bClientMapping. Set it to true if the method is invoked for painting the client area of the window (when handling the WM_PAINT or WM_ERASEBKGND windows messages, or using CClientDC). Set to false if your code paints a non-client area of the window (when handling the WM_NCPAINT windows messages or simply using CWindowDC). Please note that there are two overloaded CExtPaintManager::PaintDockerBkgnd() methods, but you need to use this one:

virtual bool PaintDockerBkgnd(
        bool bClientMapping,
        CDC & dc,
        CWnd * pWnd,
        LPARAM lParam = NULL
);

Thanks,

What about moving ExtMemoryDC.H to the include folder?

Emil

 

Gettica Inc

Thanks.

The ExtMemoryDC.h file was always in the Src folder. It seems you have specified a path to this folder in the Visual Studio Include Folders list some time ago and that is why you was able to include it as:

#include <ExtMemoryDC.h>

Please replace this line with

#include <../Src/ExtMemoryDC.h>

We always use the latter line, because the memory DC is a really internal component.