Represents the smallest possible value of float. This field is constant.
Value: -3.402823E+38
The value of this constant is negative 3.402823e38.
The result of an operation that is less than float.MinValue is float.NegativeInfinity. In the following example, float.NegativeInfinity results from subtraction and multiplication operations when the result is less than float.MinValue.
code reference: System.Single.MinValue#1