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C# - using statement with multiple variables

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Created by:

Pearl-Hurley

559

In this short article, we would liek to show how to use using statement with multiple variables in C#.

Quick solution:

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using (var stream = new FileStream("file.txt", FileMode.Open))
using (var reader = new StreamReader(stream))
//     add more usings here ...
{
    string line = reader.ReadLine();
​
    // ...
}

C# 8 example

Edit

In C# 8 we can join usings by adding coma as variables separators.

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using (
    var stream = new FileStream("file.txt", FileMode.Open),
    var reader = new StreamReader(stream)
//  add more usings here ...
)
{
    string line = reader.ReadLine();
​
    // ...
}