C / C++ / MFC

class CMyClass
{
   CBitmap Bitmap;
 
public:
 
   CMyClass()  {}
   // copy constructor
   CMyClass(const CMyClass &);
};
 
 
CMyClass::CMyClass(const CMyClass &src)
{
   Bitmap.Attach(src.Bitmap.m_hObject);
}

class CMyClass
{
   CBitmap Bitmap;
 
   void CreateGDIObjects();
 
public:
 
   CMyClass()  {CreateGDIObjects();}
   // copy constructor
   CMyClass(const CMyClass &);
};
 
 
CMyClass::CMyClass(const CMyClass &src)
{
   CreateGDIObjects();
}
 
void CMyClass::CreateGDIObjects()
{
   Bitmap.LoadBitmap(...);
}

class CMyClass
{
   static DWORD RefCount;
   static CBitmap Bitmap;
 
public:
 
   CMyClass();
   ~CMyClass();
   // copy constructor
   CMyClass(const CMyClass &);
};
 

DWORD CMyClass::RefCount = 0;
  
CMyClass::CMyClass()
{
   if (RefCount == 0)
      Bitmap.LoadBitmap(...);
   RefCount++;
}
 
CMyClass::CMyClass(const CMyClass &src)
{
   RefCount++;
}
 
CMyClass::~CMyClass()
{
   RefCount--;
   if (RefCount != 0)
      Bitmap.Detach(); // Prevent destruction of the shared GDI object
}

BlitzPackage wrote:

Is there another image class I can use that would make it easier

ajitatif angajetor wrote:

SendMessage(hwndTT,TTM_SETDELAYTIME,TTDT_INITIAL,0L);

prasad_som wrote:

You have passed delay time value(LPARAM) as 0. Is it intentional ?