C# Textbox

In C#, textbox is a control that allows users to input and edit text. It is commonly used in applications that require user input, such as forms and dialogs.

Creating a Textbox

To create a textbox in C#, you can use the Textbox class. Here is an example:

Textbox textbox1 = new Textbox();

You can then add the textbox to a form or other container:

this.Controls.Add(textbox1);

Properties and Methods

Textbox has many properties and methods that you can use to customize its behavior and appearance. Here are some common ones:

Properties

• Text: Gets or sets the text displayed in the textbox.
• MaxLength: Gets or sets the maximum number of characters that can be entered in the textbox.
• Multiline: Gets or sets a value indicating whether the textbox allows multiple lines of text.
• ReadOnly: Gets or sets a value indicating whether the textbox is read-only.
• BorderStyle: Gets or sets the border style of the textbox.

Methods

• Clear(): Clears the contents of the textbox.
• ScrollToCaret(): Scrolls the contents of the textbox to the current caret position.
• SelectAll(): Selects all text in the textbox.

Events

Textbox also has several events that you can use to respond to user interaction. Here are some of the most common ones:

• TextChanged: Occurs when the text in the textbox is changed.
• KeyDown: Occurs when a key is pressed while the textbox has focus.
• KeyPress: Occurs when a character is typed while the textbox has focus.
• KeyUp: Occurs when a key is released while the textbox has focus.

Conclusion

In summary, textbox is a versatile control in C# that allows users to input and edit text. By using its properties, methods, and events, you can customize its behavior and appearance to suit your application's needs.