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TextBoxBase.Lines Property

Gets or sets the lines of text in a text box control.

Namespace:  System.Windows.Forms
Assembly:  System.Windows.Forms (in System.Windows.Forms.dll)

public string[] Lines { get; set; }

Property Value

Type: System.String[]
An array of strings that contains the text in a text box control.

Each element in the array becomes a line of text in the text box control. If the Multiline property of the text box control is set to true and a newline character appears in the text, the text following the newline character is added to a new element in the array and displayed on a separate line.

NoteNote:

By default, the collection of lines is a read-only copy of the lines in the TextBox. To get a writable collection of lines, use code similar to the following: textBox1.Lines = new string[] { "abcd" };

The following code example uses TextBox, a derived class, to extract all strings of text from a multiline text box control and displays them using the Debug.WriteLine method. This example requires that a TextBox control has been created, named textBox1, and that it has been filled with lines of text.

public void ViewMyTextBoxContents()
 {
    // Create a string array and store the contents of the Lines property.
    string[] tempArray = textBox1.Lines;

    // Loop through the array and send the contents of the array to debug window. 
    for(int counter=0; counter < tempArray.Length;counter++)
    {
       System.Diagnostics.Debug.WriteLine(tempArray[counter]);
    }
 }

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0

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