Rock.Apps.CheckScannerUtility.ScanningPage.GetImageBytesFromRanger C# (CSharp) Méthode

        private byte[] GetImageBytesFromRanger( RangerSides side )
        {
            RangerImageColorTypes colorType = RockConfig.Load().ImageColorType;

            int imageByteCount;
            imageByteCount = batchPage.rangerScanner.GetImageByteCount( (int)side, (int)colorType );
            if ( imageByteCount > 0 )
            {
                byte[] imageBytes = new byte[imageByteCount];

                // create the pointer and assign the Ranger image address to it
                IntPtr imgAddress = new IntPtr( batchPage.rangerScanner.GetImageAddress( (int)side, (int)colorType ) );

                // Copy the bytes from unmanaged memory to managed memory
                Marshal.Copy( imgAddress, imageBytes, 0, imageByteCount );

                return imageBytes;
            }
            else
            {
                return null;
            }
        }