Because the code you are using is not correct? TTMSFNCTableViewItem is a class that needs to be created first, before you can access properties. This code works as expected:
TMSFNCImage1.Bitmaps.AddBitmap(TMSFNCTableView1.Items[0].Bitmap);
Because the code you are using is not correct? TTMSFNCTableViewItem is a class that needs to be created first, before you can access properties. This code works as expected:
TMSFNCImage1.Bitmaps.AddBitmap(TMSFNCTableView1.Items[0].Bitmap);