Control.FindForm Control.FindForm Control.FindForm Control.FindForm Method

Definition

Ruft das Formular ab, in dem sich das Steuerelement befindet.Retrieves the form that the control is on.

public:
 System::Windows::Forms::Form ^ FindForm();
public System.Windows.Forms.Form FindForm ();
member this.FindForm : unit -> System.Windows.Forms.Form
Public Function FindForm () As Form

Gibt zurück

Das Form, in dem sich das Steuerelement befindet.The Form that the control is on.

Beispiele

Im folgenden Codebeispiel wird das Formular gefunden, das die angegebene Schaltfläche enthält.The following code example finds the form that contains the specified button.

   // 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

Hinweise

Der-Eigenschafts Wert des-Steuer Elements ist Parent möglicherweise nicht mit dem Form von FindForm der-Methode zurückgegebenen identisch.The control's Parent property value might not be the same as the Form returned by FindForm method. Wenn z. b. RadioButton ein-Steuerelement in GroupBox einem-Steuerelement GroupBox enthalten ist und Formsich GroupBox auf RadioButton einem befindet Parent , ist das- GroupBox Steuerelement das-Steuerelement und das- ParentSteuerelementist der Form.For example, if a RadioButton control is contained within a GroupBox control, and the GroupBox is on a Form, the RadioButton control's Parent is the GroupBox and the GroupBox control's Parent is the Form.

Sicherheit

UIPermission
für alle Fenster, die diese Methode aufruft.for all windows to call this method. Zugeordnete Enumeration AllWindows : Wert UIPermissionWindowvon.Associated enumeration: AllWindows value of UIPermissionWindow.

Gilt für:

Siehe auch