How Can I Replicate VB.NET's InputBox Functionality in C#?

How to Use InputBox in C#

While VB.NET provides a convenient InputBox function for displaying a modal dialog and capturing user input, C# does not have a direct equivalent. However, there is a simple way to achieve similar functionality using the Interaction class from the Microsoft.VisualBasic namespace.

Solution

To use the InputBox equivalent in C#, add a reference to the Microsoft.VisualBasic assembly, then call the InputBox method from the Interaction namespace as follows:

using Microsoft.VisualBasic;

string input = Interaction.InputBox("Prompt");

The first argument (prompt) is mandatory, while the remaining arguments (title, default value, x-coordinate, and y-coordinate) are optional.

Example

The following code demonstrates how to display an InputBox dialog with a specified prompt and capture the user's input:

string name = Interaction.InputBox("Please enter your name:");

Console.WriteLine($"Your name is {name}");

By leveraging the Interaction class, you can easily use the InputBox functionality in your C# applications to gather user input through a modal dialog.

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