Gemstone PhasorProtocols Library
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# CommandFrameCalculateChecksum Method

Calculates checksum of given buffer.

## Definition

Namespace: Gemstone.PhasorProtocols.IEEEC37_118
Assembly: Gemstone.PhasorProtocols (in Gemstone.PhasorProtocols.dll) Version: 1.0.164 -- Release Build+e526f121ce33f6a601f5d1519047de17ef46ec99
C#
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    protected override ushort CalculateChecksum(
    	byte[] buffer,
    	int offset,
    	int length
    )

VB
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    Protected Overrides Function CalculateChecksum (
    	buffer As Byte(),
    	offset As Integer,
    	length As Integer
    ) As UShort

C++
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    protected:
    virtual unsigned short CalculateChecksum(
    	array<unsigned char>^ buffer,
    	int offset,
    	int length
    ) override

JavaScript
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    function CalculateChecksum(buffer, offset, length);

#### Parameters

buffer Byte
  Buffer image over which to calculate checksum.
offset Int32
  Start index into buffer to calculate checksum.
length Int32
  Length of data within buffer to calculate checksum.

#### Return Value

UInt16
Checksum over specified portion of buffer.

## See Also

#### Reference

CommandFrame Class
Gemstone.PhasorProtocols.IEEEC37_118 Namespace