C / C++ / MFC

void CDialogDlg::OnPaint() 
{
   CPaintDC dc(this); // device context for painting
   
   // Blue pen with 3 pixel width.
   LOGPEN LogPen = { 0 };
   LogPen.lopnColor = RGB( 0,0,255 );
   LogPen.lopnStyle = PS_SOLID;

   POINT ptWidth;
   ptWidth.x = 3; // Pen size 3.
   LogPen.lopnWidth = ptWidth;

   // Create the Pen.
   CPen BluePen;
   BluePen.CreatePenIndirect( &LogPen );

   // Select Blue Pen to DC.
   HPEN OldPen = (HPEN) dc.SelectObject( (HPEN)BluePen.GetSafeHandle());

   // Get the window client rect and draw Blue Rectangle.
   RECT rect;
   GetClientRect( &rect );
   dc.Rectangle( &rect );

   // Select back the old pen.
   dc.SelectObject( OldPen );
}

void CMyDialog::OnPaint()
{
	CPaintDC dc(this);
	CPen BluePen(PS_SOLID, 3, RGB(0x00,0x00,0xFF));
	CPen *OldPen = dc.SelectObject(&BluePen);
	CRect rect;
	GetClientRect(&rect);
	dc.Rectangle(&rect);
	dc.SelectObject(OldPen);
}

Mark Salsbery
Microsoft MVP - Visual C++

manish rastogi wrote:

Using GetProceAddress I can get exported function pointer. But how can I use exported dll.

manish rastogi wrote:

__declspec(dllimport) only works when I link through .lib but in LoadLibrary?

manish rastogi wrote:

I want to know this only It is possible or not.

#ifdef __cplusplus
extern "C"
{
#endif
  extern DLLTEST_API int iExported;
#ifdef __cplusplus
};
#endif

#ifdef __cplusplus
extern "C"
{
#endif
  DLLTEST_API int iExported;
#ifdef __cplusplus
};
#endif

//...
int * pInt =(int *) GetProcAddress(hLib, "iExported");