Form.FormBorderStyle 屬性

定義

取得或設定表單的框線樣式。Gets or sets the border style of the form.

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

屬性值

FormBorderStyle,代表顯示於表單的框線樣式。A FormBorderStyle that represents the style of border to display for the form. 預設值為 FormBorderStyle.SizableThe default is FormBorderStyle.Sizable.

例外狀況

指定的值超過有效值的範圍。The value specified is outside the range of valid values.

範例

下列範例會建立 Form 的新實例,並呼叫 ShowDialog 方法,將表單顯示為對話方塊。The following example creates a new instance of a Form and calls the ShowDialog method to display the form as a dialog box. 此範例會設定 FormBorderStyleAcceptButtonCancelButtonMinimizeBoxMaximizeBoxStartPosition 屬性,以將表單的外觀和功能變更為對話方塊。The example sets the FormBorderStyle, AcceptButton, CancelButton, MinimizeBox, MaximizeBox, and StartPosition properties to change the appearance and functionality of the form to a dialog box. 此範例也會使用表單之 Controls 集合的 Add 方法來加入兩個 Button 控制項。The example also uses the Add method of the form's Controls collection to add two Button controls. 此範例會使用 [HelpButton] 屬性,在對話方塊的標題列中顯示 [說明] 按鈕。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 MaximizeBox to false to remove the maximize box.
      form1->MaximizeBox = false;      
      // Set the MinimizeBox to false to remove the minimize box.
      form1->MinimizeBox = false;
      // 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 MaximizeBox to false to remove the maximize box.
   form1.MaximizeBox = false;
   // Set the MinimizeBox to false to remove the minimize box.
   form1.MinimizeBox = false;
   // 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 MaximizeBox to false to remove the maximize box.
    form1.MaximizeBox = False
    ' Set the MinimizeBox to false to remove the minimize box.
    form1.MinimizeBox = False
    ' 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

備註

表單的框線樣式會決定表單外部邊緣的顯示方式。The border style of the form determines how the outer edge of the form appears. 除了變更表單的框線顯示之外,某些框線樣式也可防止表單大小。In addition to changing the border display for a form, certain border styles prevent the form from being sized. 例如,FormBorderStyle.FixedDialog 框線樣式會將表單的框線變更為對話方塊的邊界,並防止調整大小的表單。For example, the FormBorderStyle.FixedDialog border style changes the border of the form to that of a dialog box and prevents the form from being resized. 框線樣式也會影響表單標題列區段的大小或可用性。The border style can also affect the size or availability of the caption bar section of a form.

注意

使用 Sizable 樣式,即使您已將 ControlBox 設定為 false,並將長度為零的字串指派給 Text,還是無法將視窗大小調整為低於特定的最小值。With the Sizable style, it is impossible to resize the window below a certain minimum value, even if you have set ControlBox to false and assigned a zero-length string to Text. 請考慮改為使用 SizableToolWindow 樣式來解決此情況。Consider working around this by using the SizableToolWindow style instead.

適用於

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