Skip to content

    TByteHelper.TestBit

    Check bit.

    Declaration

    Source position: syshelph.inc line 902

    public 
function TByteHelper.TestBit(const Index: TByteBitIndex) : Boolean;

    Description

    TestBit reads boolean value (true if bit is 1, and false if bit is 0) from bit number determined by argument Index.

    See also

    Name Description
    TByteHelper.SetBit Set bit to 1.
    TByteHelper.ClearBit Set bit to 0.
    TByteHelper.ToggleBit Invert bit.
    TByteHelper.HighestSetBitPos Return the position of the leftmost bit set.
    TByteHelper.LowestSetBitPos Return the position of the rightmost bit set.
    TByteHelper.SetBitsCount Count number of bits set.
    TByteHelper.Bits Read or write a bit.