Int64.IsNegative(Int64) Method 
Definition
Important
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Determines if a value is negative.
public:
 static bool IsNegative(long value) = System::Numerics::INumberBase<long>::IsNegative;
	public static bool IsNegative(long value);
	static member IsNegative : int64 -> bool
	Public Shared Function IsNegative (value As Long) As Boolean
	Parameters
- value
 - Int64
 
The value to be checked.
Returns
true if value is negative; otherwise, false.
Implements
Remarks
A return value of false does not imply that IsPositive(TSelf) will return true. A complex number, a + bi for non-zero b, is not positive or negative