InterlockedCompareExchange Method (Double, Double, Double) |
Compares two double-precision floating point numbers for equality and, if they are equal, replaces one of the values.
Namespace: System.ThreadingAssembly: mscorlib (in mscorlib.dll) Version: 4.0.0.0
Syntax public static double CompareExchange(
ref double location1,
double value,
double comparand
)
Parameters
- location1
- Type: SystemDouble
The destination, whose value is compared with comparand and possibly replaced. - value
- Type: SystemDouble
The value that replaces the destination value if the comparison results in equality. - comparand
- Type: SystemDouble
The value that is compared to the value at location1.
Return Value
Type:
DoubleThe original value in
location1.
Exceptions Exception | Condition |
---|
NullReferenceException | The address of location1 is a null pointer. |
See Also