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    TInt64Helper.TestBit

    Check bit.

    Declaration

    Source position: syshelph.inc line 1385

    public 
function TInt64Helper.TestBit(const Index: TInt64BitIndex) : 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
    TInt64Helper.SetBit Set bit to 1.
    TInt64Helper.ToggleBit Invert bit.
    TInt64Helper.TestBit Check bit.
    TInt64Helper.HighestSetBitPos Return the position of the leftmost bit set.
    TInt64Helper.LowestSetBitPos Return the position of the rightmost bit set.
    TInt64Helper.SetBitsCount Count number of bits set.
    TInt64Helper.Bits Read or write a bit.