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

定義

コントロールがあるフォームを取得します。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

戻り値

コントロールがある FormThe Form that the control is on.

次のコード例では、指定されたボタンを含むフォームを検索します。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

注釈

コントロールのParentプロパティ値は、メソッドによってForm FindForm返される値と異なる場合があります。The control's Parent property value might not be the same as the Form returned by FindForm method. たとえばRadioButton 、コントロールがGroupBoxコントロール内Parent Form RadioButton GroupBox に含まGroupBoxれており、がにある場合、コントロールのはで、コントロールはGroupBox Parentはです。 FormFor 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.

セキュリティ

UIPermission
すべてのウィンドウでこのメソッドを呼び出します。for all windows to call this method. 列挙型に関連付けられている: AllWindows UIPermissionWindowします。Associated enumeration: AllWindows value of UIPermissionWindow.

適用対象

こちらもご覧ください