Click or drag to resize

BitClear Function (Long, Long)

X#
Clears the specified bit in a Numeric, Varbinary, or Blob value by setting it to 0 and returns the resulting value. There is a numeric and a binary version of the syntax. If the specified expression is not an integer, it is converted to an integer before performing the operation.

Namespace:  XSharp.VFP
Assembly:  XSharp.VFP (in XSharp.VFP.dll) Version: 2.19
Syntax
Copy
 FUNCTION BitClear(
	Num AS LONG,
	Bit AS LONG
) AS LONG
Request Example View Source

Parameters

Num
Type: Long
Specifies the Numeric value to clear the bit in. If the expression is not an integer, it is converted to an integer before setting the bit.
Bit
Type: Long
Specifies the bit position in nExpression1 to clear. nExpression2 can range from 0 to 31 with 0 located as the bit to the farthest right.

Return Value

Type: Long
Numeric, Varbinary, or Blob. BitClear( ) returns the specified expression without specified bit.
Examples
X#
Copy
1x = 7  // 0111 binary
2y = 1  // 2nd bit position (0 = 1st bit position)
3? BitClear(x,y) // Returns 5, 0101 binary
See Also