TabControl.Alignment プロパティ


コントロール内のタブの配置場所 (上部など) を取得または設定します。Gets or sets the area of the control (for example, along the top) where the tabs are aligned.

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


TabAlignment 値のいずれか 1 つ。One of the TabAlignment values. 既定値は、Top です。The default is Top.


プロパティ値が、有効な TabAlignment 値ではありません。The property value is not a valid TabAlignment value.

次のコード例ではTabControl 、3 TabPageつのオブジェクトを使用してを作成します。The following code example creates a TabControl with three TabPage objects. プロパティがにLeft設定されます。これによりtabControl1 、のタブが左側に配置されます。 AlignmentThe Alignment property is set to Left, which positions the tabs of tabControl1 on the left side.

using namespace System::Drawing;
using namespace System::Windows::Forms;
public ref class Form1: public Form
   TabControl^ tabControl1;
   TabPage^ tabPage1;
   TabPage^ tabPage2;
   TabPage^ tabPage3;
   void MyTabs()
      this->tabControl1 = gcnew TabControl;
      this->tabPage1 = gcnew TabPage;
      this->tabPage2 = gcnew TabPage;
      this->tabPage3 = gcnew TabPage;
      // Positions tabs on the left side of tabControl1.
      this->tabControl1->Alignment = System::Windows::Forms::TabAlignment::Left;
      array<Control^>^tabControls = {this->tabPage1,this->tabPage2,this->tabPage3};
      this->tabControl1->Controls->AddRange( tabControls );
      this->tabControl1->Location = Point(16,24);
      this->tabControl1->SelectedIndex = 0;
      this->tabControl1->Size = System::Drawing::Size( 248, 232 );
      this->tabControl1->TabIndex = 0;
      this->tabPage1->TabIndex = 0;
      this->tabPage2->TabIndex = 1;
      this->tabPage3->TabIndex = 2;
      this->Size = System::Drawing::Size( 300, 300 );
      array<Control^>^formControls = {this->tabControl1};
      this->Controls->AddRange( formControls );



int main()
   Application::Run( gcnew Form1 );

using System.Drawing;
using System.Windows.Forms;

public class Form1 : Form
    private TabControl tabControl1;
    private TabPage tabPage1;
    private TabPage tabPage2;
    private TabPage tabPage3;

    private void MyTabs()
        this.tabControl1 = new TabControl();
        this.tabPage1 = new TabPage();
        this.tabPage2 = new TabPage();
        this.tabPage3 = new TabPage();

        // Positions tabs on the left side of tabControl1.
        this.tabControl1.Alignment = System.Windows.Forms.TabAlignment.Left;

        this.tabControl1.Controls.AddRange(new Control[] {
        this.tabControl1.Location = new Point(16, 24);
        this.tabControl1.SelectedIndex = 0;
        this.tabControl1.Size = new Size(248, 232);
        this.tabControl1.TabIndex = 0;

        this.tabPage1.TabIndex = 0;
        this.tabPage2.TabIndex = 1;
        this.tabPage3.TabIndex = 2;

        this.Size = new Size(300,300);
        this.Controls.AddRange(new Control[] {

    public Form1()

    static void Main() 
        Application.Run(new Form1());
Imports System.Drawing
Imports System.Windows.Forms

Public Class Form1
    Inherits Form
    Private tabControl1 As TabControl
    Private tabPage1 As TabPage
    Private tabPage2 As TabPage
    Private tabPage3 As TabPage

    Private Sub MyTabs()
        Me.tabControl1 = New TabControl()
        Me.tabPage1 = New TabPage()
        Me.tabPage2 = New TabPage()
        Me.tabPage3 = New TabPage()

        ' Positions tabs on the left side of tabControl1.
        Me.tabControl1.Alignment = System.Windows.Forms.TabAlignment.Left

        Me.tabControl1.Controls.AddRange(New Control() {Me.tabPage1, Me.tabPage2, Me.tabPage3})
        Me.tabControl1.Location = New Point(16, 24)
        Me.tabControl1.SelectedIndex = 0
        Me.tabControl1.Size = New Size(248, 232)
        Me.tabControl1.TabIndex = 0

        Me.tabPage1.TabIndex = 0
        Me.tabPage2.TabIndex = 1
        Me.tabPage3.TabIndex = 2

        Me.Size = New Size(300, 300)
        Me.Controls.AddRange(New Control() {Me.tabControl1})
    End Sub

    Public Sub New()
    End Sub

    Shared Sub Main()
        Application.Run(New Form1())
    End Sub
End Class


true MultilineプロパティがまたはLeft Rightに設定されている場合、プロパティは自動的にに設定されます。 AlignmentWhen the Alignment property is set to Left or Right, the Multiline property is automatically set to true.

AppearanceプロパティをにFlatButtons設定すると、 AlignmentプロパティがにTop設定されている場合にのみ表示されます。When you set the Appearance property to FlatButtons, it only appears as such when the Alignment property is set to Top. それ以外のAppearance場合、プロパティはButtons値に設定されているかのように表示されます。Otherwise, the Appearance property displays as if set to the Buttons value.

AppearanceプロパティをにButtons設定する場合は、ボタンが正しく表示AlignmentされるTopようにプロパティをに設定する必要もあります。When you set the Appearance property to Buttons, you must also set the Alignment property to Top so that the buttons display correctly.


AppearanceプロパティをにButtons設定する場合は、タブページの内容Alignmentが正しくTop表示されるようにプロパティをに設定する必要もあります。When you set the Appearance property to Buttons, you must also set the Alignment property to Top so that the tab page contents display correctly. また、visual スタイルが有効になっていAlignmentて、プロパティが以外Topの値に設定されていると、タブの内容が正しく表示されない場合があります。Additionally, when visual styles are enabled, and the Alignment property is set to a value other than Top, the tab contents may not render correctly.