transparency index

  1. J

    Question How to detect transparency index or flag for a GIF or PNG image?

    Okay I'm loading a GIF or PNG with Dim Img1 as Image = Image.FromFile(FileName$) Then, according to msdn, I should be able to retrieve the transparency index by doing the following: TransparencyIndex = Img1.GetPropertyItem(&h5104).Value(0) &h5104 corresponds to the property item for the...