using System.IO; class Program { static void Main(string[] args) { bool value = true; using (BinaryWriter writer = new BinaryWriter(File.Open("data.bin", FileMode.Create))) { writer.WriteBoolean(value); } } }In the example above, we create a new BinaryWriter object and use the WriteBoolean method to write a boolean value to a file named "data.bin". The package library used in this example is the System.IO package. Overall, the IDataWriter interface is a useful tool for developers who need to write data to a data source in C#. By defining methods like WriteBoolean, developers have access to a wide variety of tools for writing data to files, databases, and other data sources.