我是新手      Byte *ptr1,*ptr2;  Image2->Picture->Bitmap->Width = Image1->Picture->Bitmap->Width;  Image2->Picture->Bitmap->Height = Image1->Picture->Bitmap->Height;  Image2->Picture->Bitmap->PixelFormat  = Image1->Picture->Bitmap->PixelFormat ;      for (int y=0; y < Image1->Picture->Bitmap->Height; y++)     {        ptr1=(Byte*)Image1->Picture->Bitmap->ScanLine[y];        ptr2=(Byte*)Image2->Picture->Bitmap->ScanLine[y];           for(int x=0; xPicture->Bitmap->Width*3; x ) { ptr2[x]= (ptr1[x*3 0] ptr1[x*3 1] ptr2[x*3 2])/3; ptr2[x]= (ptr1[x*3 0] ptr1[x*3 1] ptr2[x*3 2])/3; ptr2[x]= (ptr1[x*3 0] ptr1[x*3 1] ptr2[x*3 2])/3; } } Image2->Refresh();