Control.Parent Vlastnost
Definice
Důležité
Některé informace platí pro předběžně vydaný produkt, který se může zásadně změnit, než ho výrobce nebo autor vydá. Microsoft neposkytuje žádné záruky, výslovné ani předpokládané, týkající se zde uváděných informací.
Získá nebo nastaví nadřazený kontejner ovládacího prvku.
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; }
[System.ComponentModel.Browsable(false)]
public System.Windows.Forms.Control? Parent { get; set; }
[<System.ComponentModel.Browsable(false)>]
member this.Parent : System.Windows.Forms.Control with get, set
Public Property Parent As Control
Hodnota vlastnosti
A Control , který představuje nadřazený nebo kontejner řízení ovládacího prvku.
- Atributy
Příklady
Následující příklad kódu používá Parent vlastnost a metodu FindForm k nastavení vlastností nadřazeného ovládacího prvku tlačítka a jeho formuláře.
// 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
Poznámky
Parent Nastavením hodnoty vlastnosti odeberete null
ovládací prvek z Control.ControlCollection aktuálního nadřazeného ovládacího prvku.