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^= Operator (C# Reference)
The exclusive-OR assignment operator.
An expression of the form
is evaluated as
except that x is only evaluated once. The ^ operator performs a bitwise exclusive-OR operation on integral operands and logical exclusive-OR on bool operands.
The ^= operator cannot be overloaded directly, but user-defined types can overload the ^ operator (see operator).
static void Main()
int a = 0x0c;
a ^= 0x06;
bool b = true;
b ^= false;