using (C# reference)
The using
keyword has two major uses:
- The
using
statement defines a scope at the end of which an object is disposed:
string filePath = "example.txt";
string textToWrite = "Hello, this is a test message!";
// Use the using statement to ensure the StreamWriter is properly disposed of
using (StreamWriter writer = new StreamWriter(filePath))
{
writer.WriteLine(textToWrite);
}
- The
using
directive creates an alias for a namespace or imports types defined in other namespaces:
using System;
using System.IO;
See also
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