Control.Parent Control.Parent Control.Parent Control.Parent Property

Definizione

Ottiene o imposta il contenitore padre del controllo.Gets or sets the parent container of the control.

public:
 property System::Windows::Forms::Control ^ Parent { System::Windows::Forms::Control ^ get(); void set(System::Windows::Forms::Control ^ value); };
[System.ComponentModel.Browsable(false)]
public System.Windows.Forms.Control Parent { get; set; }
member this.Parent : System.Windows.Forms.Control with get, set
Public Property Parent As Control

Valore della proprietà

Oggetto Control che rappresenta il controllo padre o contenitore del controllo.A Control that represents the parent or container control of the control.

Esempi

Il codice seguente viene illustrato come utilizzare il Parent proprietà e il FindForm metodo per impostare le proprietà del controllo padre di un pulsante e il relativo modulo.The following code example uses the Parent property and the FindForm method to set properties on the parent control of a button and its form.

   // This example uses the Parent property and the Find method of Control to set
   // properties on the parent control of a Button and its Form. The example assumes
   // that a Button control named button1 is located within a GroupBox control. The 
   // example also assumes that the Click event of the Button control is connected to
   // the event handler method defined in the example.
private:
   void button1_Click( Object^ /*sender*/, System::EventArgs^ /*e*/ )
   {
      // Get the control the Button control is located in. In this case a GroupBox.
      Control^ control = button1->Parent;
      
      // Set the text and backcolor of the parent control.
      control->Text = "My Groupbox";
      control->BackColor = Color::Blue;
      
      // Get the form that the Button control is contained within.
      Form^ myForm = button1->FindForm();
      
      // Set the text and color of the form containing the Button.
      myForm->Text = "The Form of My Control";
      myForm->BackColor = Color::Red;
   }
// This example uses the Parent property and the Find method of Control to set
// properties on the parent control of a Button and its Form. The example assumes
// that a Button control named button1 is located within a GroupBox control. The 
// example also assumes that the Click event of the Button control is connected to
// the event handler method defined in the example.
private void button1_Click(object sender, System.EventArgs e)
{
   // Get the control the Button control is located in. In this case a GroupBox.
   Control control = button1.Parent;
   // Set the text and backcolor of the parent control.
   control.Text = "My Groupbox";
   control.BackColor = Color.Blue;
   // Get the form that the Button control is contained within.
   Form myForm = button1.FindForm();
   // Set the text and color of the form containing the Button.
   myForm.Text = "The Form of My Control";
   myForm.BackColor = Color.Red;
}
' This example uses the Parent property and the Find method of Control to set
' properties on the parent control of a Button and its Form. The example assumes
' that a Button control named button1 is located within a GroupBox control. The 
' example also assumes that the Click event of the Button control is connected to
' the event handler method defined in the example.
Private Sub button1_Click(sender As Object, e As System.EventArgs) Handles button1.Click
   ' Get the control the Button control is located in. In this case a GroupBox.
   Dim control As Control = button1.Parent
   ' Set the text and backcolor of the parent control.
   control.Text = "My Groupbox"
   control.BackColor = Color.Blue
   ' Get the form that the Button control is contained within.
   Dim myForm As Form = button1.FindForm()
   ' Set the text and color of the form containing the Button.
   myForm.Text = "The Form of My Control"
   myForm.BackColor = Color.Red
End Sub

Commenti

Impostando il Parent valore della proprietà null rimuove il controllo dal Control.ControlCollection del relativo controllo padre corrente.Setting the Parent property value to null removes the control from the Control.ControlCollection of its current parent control.

Sicurezza

UIPermission
per tutte le finestre ottenere questo valore della proprietà.for all windows to get this property value. Enumerazione associata: AllWindowsAssociated enumeration: AllWindows

Si applica a

Vedi anche