C# Enum ToString

Test Code：

        [TestMethod]
        public void TestEnumToString()
        {
            var a = EnumType.A;
            
            string[] formats = {"", "G", "F", "D", "X" };

            foreach (var fmt in formats)
            {
                Console.WriteLine(a.ToString(fmt));
            }
        }

        public enum EnumType
        {
            A=1,
            B=2,
        }

 

Test Result：

Test Name:	TestEnumToString
Test Outcome:	Passed
Result StandardOutput:	
A
A
A
1
00000001