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RadioButton.Checked Property

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.

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.

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

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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