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()
        MyTabs()
    End Sub

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

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.tabPage1,
            this.tabPage2,
            this.tabPage3});
        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[] {
            this.tabControl1});
    }

    public Form1()
    {
        MyTabs();
    }

    static void Main() 
    {
        Application.Run(new Form1());
    }
}

using namespace System::Drawing;
using namespace System::Windows::Forms;
public ref class Form1: public Form
{
private:
   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 );
   }


public:
   Form1()
   {
      MyTabs();
   }

};

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