if(OpenPictureDialog1->Execute())
{
    bmp=new Graphics::TBitmap;
    bmp->LoadFromFile(OpenPictureDialog1->FileName); 
    for(int i=0;iWidth;i  )
    {
        for(int j=0;jHeight;j  )
        {
             R[i][j]=GetRValue(bmp->Canvas->Pixels[i][j]);
             G[i][j]=GetGValue(bmp->Canvas->Pixels[i][j]);
             B[i][j]=GetBValue(bmp->Canvas->Pixels[i][j]);
         }
    }
    //接下來是對RGB去做一些運算，重新得到每個pixel的RGB值
    .
    .
    .
    //請問最後要怎麼將這些RGB值重新顯示成一張彩色的Image在TImage上呢？
}