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RadioButton.AutoCheck Property

Definition

Gets or sets a value indicating whether the Checked value and the appearance of the control automatically change when the control is clicked.

public:
 property bool AutoCheck { bool get(); void set(bool value); };
public bool AutoCheck { get; set; }
member this.AutoCheck : bool with get, set
Public Property AutoCheck As Boolean

Property Value

true if the Checked value and the appearance of the control automatically change on the Click event; otherwise, false. The default value is true.

Examples

The following code example creates and initializes a RadioButton, gives it the appearance of a toggle control, 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);
}
Private Sub InitializeMyRadioButton()
    ' Create and initialize a new RadioButton. 
    Dim radioButton1 As 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)
End Sub

Remarks

If the Checked value is set to false, the RadioButton portion of the control must be checked in code in the Click event handler. In addition, if the RadioButton is part of a RadioButton control group, this property ensures that only one of the controls is checked at a given time.

If the AutoCheck property is set to false, a group of RadioButton controls will not act as a mutually exclusive group and the Checked property must be updated in code.

Applies to