Form.StartPosition Form.StartPosition Form.StartPosition Form.StartPosition Property

定義

実行時にフォームの開始位置を取得または設定します。Gets or sets the starting position of the form at run time.

public:
 property System::Windows::Forms::FormStartPosition StartPosition { System::Windows::Forms::FormStartPosition get(); void set(System::Windows::Forms::FormStartPosition value); };
public System.Windows.Forms.FormStartPosition StartPosition { get; set; }
member this.StartPosition : System.Windows.Forms.FormStartPosition with get, set
Public Property StartPosition As FormStartPosition

プロパティ値

フォームの開始位置を表す FormStartPositionA FormStartPosition that represents the starting position of the form.

例外

指定された値が有効値の範囲内にありません。The value specified is outside the range of valid values.

次のコード例は、の新しいインスタンスを作成、Formを呼び出すと、 ShowDialog ダイアログ ボックスとしてフォームを表示するメソッド。The following code example creates a new instance of a Form and calls the ShowDialog method to display the form as a dialog box. 例のセット、 FormBorderStyleAcceptButtonCancelButton、およびStartPosition ダイアログ ボックスに、フォームの機能と外観を変更するプロパティ。The example sets the FormBorderStyle, AcceptButton, CancelButton, and StartPosition properties to change the appearance and functionality of the form to a dialog box. また、例では、Addメソッドは、フォームのControls2 つ追加するコレクションButtonコントロール。The example also uses the Add method of the form's Controls collection to add two Button controls. この例では、 HelpButton ダイアログ ボックスのキャプション バーに、ヘルプ ボタンを表示するプロパティ。The example uses the HelpButton property to display a help button in the caption bar of the dialog box.

public:
   void CreateMyForm()
   {
      // Create a new instance of the form.
      Form^ form1 = gcnew Form;
      // Create two buttons to use as the accept and cancel buttons.
      Button^ button1 = gcnew Button;
      Button^ button2 = gcnew Button;
      
      // Set the text of button1 to "OK".
      button1->Text = "OK";
      // Set the position of the button on the form.
      button1->Location = Point(10,10);
      // Set the text of button2 to "Cancel".
      button2->Text = "Cancel";
      // Set the position of the button based on the location of button1.
      button2->Location
         = Point( button1->Left, button1->Height + button1->Top + 10 );
      // Set the caption bar text of the form.   
      form1->Text = "My Dialog Box";
      // Display a help button on the form.
      form1->HelpButton = true;
      
      // Define the border style of the form to a dialog box.
      form1->FormBorderStyle = ::FormBorderStyle::FixedDialog;
      // Set the accept button of the form to button1.
      form1->AcceptButton = button1;
      // Set the cancel button of the form to button2.
      form1->CancelButton = button2;
      // Set the start position of the form to the center of the screen.
      form1->StartPosition = FormStartPosition::CenterScreen;

      // Add button1 to the form.
      form1->Controls->Add( button1 );
      // Add button2 to the form.
      form1->Controls->Add( button2 );
      
      // Display the form as a modal dialog box.
      form1->ShowDialog();
   }
public void CreateMyForm()
 {
    // Create a new instance of the form.
    Form form1 = new Form();
    // Create two buttons to use as the accept and cancel buttons.
    Button button1 = new Button ();
    Button button2 = new Button ();
   
    // Set the text of button1 to "OK".
    button1.Text = "OK";
    // Set the position of the button on the form.
    button1.Location = new Point (10, 10);
    // Set the text of button2 to "Cancel".
    button2.Text = "Cancel";
    // Set the position of the button based on the location of button1.
    button2.Location
       = new Point (button1.Left, button1.Height + button1.Top + 10);
    // Set the caption bar text of the form.   
    form1.Text = "My Dialog Box";
    // Display a help button on the form.
    form1.HelpButton = true;
 
    // Define the border style of the form to a dialog box.
    form1.FormBorderStyle = FormBorderStyle.FixedDialog;
    // Set the accept button of the form to button1.
    form1.AcceptButton = button1;
    // Set the cancel button of the form to button2.
    form1.CancelButton = button2;
    // Set the start position of the form to the center of the screen.
    form1.StartPosition = FormStartPosition.CenterScreen;
    
    // Add button1 to the form.
    form1.Controls.Add(button1);
    // Add button2 to the form.
    form1.Controls.Add(button2);
    
    // Display the form as a modal dialog box.
    form1.ShowDialog();
 }
 
Public Sub CreateMyForm()
    ' Create a new instance of the form.
    Dim form1 As New Form()
    ' Create two buttons to use as the accept and cancel buttons.
    Dim button1 As New Button()
    Dim button2 As New Button()
    
    ' Set the text of button1 to "OK".
    button1.Text = "OK"
    ' Set the position of the button on the form.
    button1.Location = New Point(10, 10)
    ' Set the text of button2 to "Cancel".
    button2.Text = "Cancel"
    ' Set the position of the button based on the location of button1.
    button2.Location = New Point(button1.Left, button1.Height + button1.Top + 10)
    ' Set the caption bar text of the form.   
    form1.Text = "My Dialog Box"
    ' Display a help button on the form.
    form1.HelpButton = True
    
    ' Define the border style of the form to a dialog box.
    form1.FormBorderStyle = FormBorderStyle.FixedDialog
    ' Set the accept button of the form to button1.
    form1.AcceptButton = button1
    ' Set the cancel button of the form to button2.
    form1.CancelButton = button2
    ' Set the start position of the form to the center of the screen.
    form1.StartPosition = FormStartPosition.CenterScreen
    
    ' Add button1 to the form.
    form1.Controls.Add(button1)
    ' Add button2 to the form.
    form1.Controls.Add(button2)
    
    ' Display the form as a modal dialog box.
    form1.ShowDialog()
End Sub 'CreateMyForm

注釈

このプロパティでは、実行時に表示される場合は、フォームの開始位置を設定することができます。This property enables you to set the starting position of the form when it is displayed at run time. フォームの位置を設定して手動で指定できます、Locationプロパティまたは Windows によって指定された既定の場所を使用します。The form's position can be specified manually by setting the Location property or use the default location specified by Windows. 画面の中央またはマルチ ドキュメント インターフェイス (MDI) 子フォームの場合は、その親フォームの中央に表示するフォームを配置することもできます。You can also position the form to display in the center of the screen or in the center of its parent form for forms such as multiple-document interface (MDI) child forms.

フォームが表示される前に、このプロパティを設定する必要があります。This property should be set before the form is shown. このプロパティを設定するには、呼び出す前に、ShowまたはShowDialogメソッドまたはフォームのコンス トラクターでします。You can set this property before you call the Show or ShowDialog method or in your form's constructor.

適用対象

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