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RadioButton Constructor

Initializes a new instance of the RadioButton class.

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

public RadioButton()

The default view of the RadioButton has its text aligned to the right of the button and the AutoCheck property is set to true.

The following code example creates and initializes a RadioButton, gives it the appearance of a toggle button, sets its AutoCheck property to false, and adds it to a Form.

private void InitializeMyRadioButton()
{
   // Create and initialize a new RadioButton. 
   RadioButton radioButton1 = new RadioButton();

   // Make the radio button control appear as a toggle button.
   radioButton1.Appearance = Appearance.Button;

   // Turn off the update of the display on the click of the control.
   radioButton1.AutoCheck = false;

   // Add the radio button to the form.
   Controls.Add(radioButton1);
}

.NET Framework

Supported in: 4.6, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

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