SubtractBackground example for C++ Builder
void __fastcall TForm1::Button1Click(TObject *Sender)
{
/* Load the bitmap, keeping the bits per pixel of the file */
LEADImage1->Load("image3.cmp", 0, 1, 1 );
/* Apply Subtract Background effect on the image*/
LEADImage1->SubtractBackground( 50, SBK_DEPEND, 50, SBK_BG_DARK + SBK_RES_SHOW );
}