c# - Remove first 4 bits from a byte array (shift left) -


this question has answer here:

i have byte array of 3 bytes : byte[] vg = new byte[3];

this values of array: 00-28-a0 . have remove first 4 bits, , result: 02-8a-00

// shift 4 left vg[0] = (byte)((byte)(vg[1] >> 4) + (byte)(vg[0] << 4)); vg[1] = (byte)((byte)(vg[2] >> 4) + (byte)(vg[1] << 4)); vg[2] = (byte)(vg[2] << 4);  // shift 4 right vg[2] = (byte)((byte)(vg[2] >> 4) + (byte)(vg[1] << 4)); vg[1] = (byte)((byte)(vg[1] >> 4) + (byte)(vg[0] << 4)); vg[0] = (byte)(vg[0] >> 4);

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