IsSigned example for Visual Basic
' Load the bitmap data as signed so we can use a different conversion
RasterIO.LoadSigned = True
RasterIO.Load LEADRasterView1.Raster, "c:\temp\signed.tif", 0, 0, 1
' use the non-default conversion "zero to center"
RasterProc.ConvertSignedToUnsigned LEADRasterView1.Raster, SHIFT_ZERO_TO_CENTER