C# Out Parameter with Examples

The out keyword is used to declare output parameters in method or function signatures. The output parameter is a parameter that is used to return multiple values from a method. The output parameters are used to pass data out of a method. But a normal function is used for passing the data inside function.

C# Out Parameter with Examples

out Parameter: Example

returnType methodName(parameters, out dataType outputParameter)
{
  // Method body
  // The method assigns a value to outputParameter
  // ...
}

Basic Structure Of out Parameter

Output Parameter:

An out parameter is an output parameter, which means its value is expected to be set by the method. When the method is called, it must assign a value to the out parameter before the method returns.

Initialization Not Required:

Unlike regular parameters, you don’t need to initialize an out parameter before passing it to the method. The method is responsible for initializing it.

Multiple Outputs:

It is an option variable that you passed in function between parentheses () and and may include one or more parameter declarations, separated by commas.Each parameter consists of a data type and a parameter…