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c# optional parameters

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Yanislav Ivanov answered on March 16, 2020 Popularity 10/10 Helpfulness 5/10

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c# optional parameters

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// Using Attribute
private void SomeMethod([Optional] string param)
{

}

// Using Default Values
private void SomeMethod(string param = null)
{

}

Popularity 10/10 Helpfulness 5/10 Language csharp

Source: Grepper

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Contributed on Jul 01 2022

Yanislav Ivanov

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c# optional parameters

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// Using Optional Attribute
private void SomeMethod([Optional] string param)
{
    ...
}

// Using Default Values
private void SomeMethod(string param = null)
{
    ...
}

Popularity 10/10 Helpfulness 4/10 Language csharp

Source: www.c-sharpcorner.com

Tags: c# c

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Contributed on Dec 04 2021

Syntax Error

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optional arguments c#

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public void ExampleMethod(int required,
                          string optionalstr = "default string",
    				      int optionalint = 10)

Popularity 10/10 Helpfulness 4/10 Language typescript

Source: Grepper

Tags: c# c

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Contributed on Mar 16 2020

Italian_Style

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c# make parameter optional

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C#, you can make a parameter optional by specifying a default value for that parameter in the method signature.

public void MyMethod(string requiredParam, int optionalParam = 0)
{
    // method body
}

the optionalParam parameter has a default value of 0, so it's optional. If you call MyMethod without providing a value for optionalParam, it will default to 0. If you provide a value for optionalParam, it will use the provided value instead of the default value. The requiredParam parameter does not have a default value, so it must always be provided when calling MyMethod.

Popularity 9/10 Helpfulness 3/10 Language csharp

Source: Grepper

Tags: c#

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Contributed on Mar 04 2023

SubZero

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optional parameter c#

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Optional parameters are defined at the end of the parameter list, after any required parameters. If the caller provides an argument for any one of a succession of optional parameters, it must provide arguments for all preceding optional parameters. Comma-separated gaps in the argument list aren't supported. For example, in the following code, instance method ExampleMethod is defined with one required and two optional parameters.

C#

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public void ExampleMethod(int required, string optionalstr = "default string",
    int optionalint = 10)
The following call to ExampleMethod causes a compiler error, because an argument is provided for the third parameter but not for the second.

C#

Copy
//anExample.ExampleMethod(3, ,4);
However, if you know the name of the third parameter, you can use a named argument to accomplish the task.

C#

Copy
anExample.ExampleMethod(3, optionalint: 4);

Popularity 9/10 Helpfulness 3/10 Language csharp

Source: learn.microsoft.com

Tags: c#

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Contributed on Dec 15 2022

Vast Vendace

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C# optional arguments

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public void SomeMethod(int a, int b = 0){/*some code*/}

Popularity 10/10 Helpfulness 2/10 Language csharp

Source: Grepper

Tags: c# c

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Contributed on Apr 01 2021

knox_45

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c# parameter optional

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c# optional parameters

public int ExampleMethod (int optional = 5)
{
  Console.WriteLine(optinonal);
}

ExampleMethod(); // output: 5
ExampleMethod(8); // output: 8

Popularity 8/10 Helpfulness 2/10 Language csharp

Source: learn.microsoft.com

Tags: c#

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Contributed on May 16 2023

popcat enthousiast

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c# optional parameters

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// Example of using optional parameters in C#
class MyClass
{
    public void MyMethod(int x, int y = 10)
    {
        int result = x + y;
        Console.WriteLine("Result: " + result);
    }
}

// Usage
MyClass myObject = new MyClass();
myObject.MyMethod(5); // Output: Result: 15 (y has the default value of 10)
myObject.MyMethod(5, 7); // Output: Result: 12 (y is assigned the value of 7)

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Contributed on Sep 12 2023

YOU.com

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c# optional parameters using

Comment

-2

 using System.Runtime.InteropServices;

Popularity 10/10 Helpfulness 1/10 Language csharp

Source: www.delftstack.com

Tags: c# c

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Contributed on May 18 2022

KaiFu_

0 Answers Avg Quality 2/10

c# optional parameters

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