#ifndef _DWINDOW_HPP_
#define _DWINDOW_HPP_
#include <string.h>
#include <dos.h>
#include <mdiwin/windows.hpp>
#include <mdiwin/crsctrl.hpp>

class DWindow : public CursorControl
{
public:
	DWindow();
	virtual ~DWindow();
	HWND GetHandle(void)const;
	int Show(int nCmdShow);
protected:
//	static int FAR PASCAL _export DialogProcedure(HWND hWnd,UINT message,WPARAM wParam,LPARAM lParam);
	__declspec(dllexport) static LONG FAR PASCAL DialogProcedure(HWND hWnd,UINT message,WPARAM wParam,LPARAM lParam);
private:
  static DWindow *DWindow::GetPointer(HWND hWnd);
	static void DWindow::SetPointer(HWND hWnd,DWindow *pDWindow);
	virtual int DlgProc(UINT message,WPARAM wParam,LPARAM lParam)=0;
	void SetHandle(HWND hWnd);
	HWND mhWnd;
};

inline
HWND DWindow::GetHandle(void)const
{
	if(::IsWindow(mhWnd))return mhWnd;
  return 0;
}

inline
void DWindow::SetHandle(HWND hWnd)
{
	mhWnd=hWnd;
}

inline
int DWindow::Show(int nCmdShow)
{
  if(!GetHandle())return FALSE;
	return ::ShowWindow(GetHandle(),nCmdShow);
}

#if defined (__SMALL__) || defined (__MEDIUM__) || defined (__FLAT__)
inline
DWindow *DWindow::GetPointer(HWND hWnd)
{
	return (DWindow*)::GetProp(hWnd,(LPSTR)"LOWORD");
}

inline
void DWindow::SetPointer(HWND hWnd,DWindow *pDWindow)
{
	::SetProp(hWnd,(LPSTR)"LOWORD",(HANDLE)(pDWindow));
}
#endif
#endif