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RadioButton.Checked Property

.NET Framework 4.5

Gets or sets a value indicating whether the control is checked.

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

[BindableAttribute(true)]
[SettingsBindableAttribute(true)]
public bool Checked { get; set; }

Property Value

Type: System.Boolean
true if the check box is checked; otherwise, false.

Examples

The following code example evaluates a ListBox selection and the Checked property of a RadioButton. When a specified item is selected from the list box, the PerformClick method of another RadioButton is called. This example requires that two RadioButton controls and a ListBox have been instantiated on a form.

C++

private void ClickMyRadioButton()
{
   // If Item1 is selected and radioButton2  
   // is checked, click radioButton1. 
   if (listBox1.Text == "Item1" && radioButton2.Checked)
   {
      radioButton1.PerformClick();
   }
}

Version Information

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Platforms

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.

Reference

RadioButton Class

System.Windows.Forms Namespace

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