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C# - Enum.GetUnderlyingType() Method with Example
In this tutorial, we will learn about the C# Enum.GetUnderlyingType() method with its definition, usage, syntax, and example.
By Nidhi Last updated : March 29, 2023
C# Enum.GetUnderlyingType() Method
The Enum.GetUnderlyingType() method is used to return the underlying type of the specified enumeration.
Syntax
Type Enum.GetUnderlyingType(Type enumType);
Parameter(s)
Here we pass an instance of specified enum to get the underlying type
Return Value
This method returns the underlying type of the specified enumeration.
Exception(s)
- System.ArgumentException
- System.ArgumentNullException
C# Example of Enum.GetUnderlyingType() Method
The source code to demonstrate the GetUnderlyingType() method of Enum class is given below. The given program is compiled and executed successfully.
using System;
class Sample {
enum Colors {
RED = 0, GREEN = 1, YELLOW = 3, WHITE = 4, BLACK = 5
};
enum Directions {
EAST = 0, WEST = 1, NORTH = 2, SOUTH = 3
};
//Entry point of Program
static public void Main() {
Enum[] Values = {
Colors.GREEN,
Directions.NORTH,
Colors.BLACK,
Directions.WEST
};
foreach(var Value in Values) {
Type underlyingType = Enum.GetUnderlyingType(Value.GetType());
Console.WriteLine(underlyingType.Name);
}
}
}
Output
Int32
Int32
Int32
Int32
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