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TabControl.TabCount Property

Gets the number of tabs in the tab strip.

[Visual Basic]
Public ReadOnly Property TabCount As Integer
[C#]
public int TabCount {get;}
[C++]
public: __property int get_TabCount();
[JScript]
public function get TabCount() : int;

Property Value

The number of tabs in the tab strip.

Example

[Visual Basic, C#, C++] The following example creates a TabControl with five TabPage objects. This example uses the TabCount property to get the number of tabs currently in the tabControl1 tab strip.

[Visual Basic, C#, C++] Use the System.Drawing and System.Windows.Forms namespaces for this example.

[Visual Basic] 
Imports System.Drawing
Imports System.Windows.Forms

Public Class Form1
    Inherits Form

    Public Sub New()
        Dim tabControl1 As New TabControl()
        Dim tabPage1 As New TabPage()
        Dim tabPage2 As New TabPage()
        Dim tabPage3 As New TabPage()
        Dim tabPage4 As New TabPage()
        Dim tabPage5 As New TabPage()
        Dim label1 As New Label()

        tabControl1.Multiline = True
        tabControl1.SizeMode = TabSizeMode.FillToRight
        tabControl1.Padding = New Point(15, 5)
        tabControl1.Controls.AddRange(New Control() {tabPage1, tabPage2, tabPage3, tabPage4, tabPage5})
        tabControl1.Location = New Point(35, 65)
        tabControl1.Size = New Size(220, 180)

        ' Gets the number of tabs currently in the tabControl1 tab strip.
        ' Assigns int value to the tabsInTabStrip variable.
        Dim tabsInTabStrip As Integer = tabControl1.TabCount

        label1.Text = "There are " + tabsInTabStrip.ToString() + " tabs in the tabControl1 tab strip."
        label1.Location = New Point(35, 25)
        label1.Size = New Size(220, 30)

        Size = New Size(300, 300)
        Controls.AddRange(New Control() {label1, tabControl1})
    End Sub

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

[C#] 
using System.Drawing;
using System.Windows.Forms;

public class Form1 : Form
{
    public Form1()
    {
        TabControl tabControl1 = new TabControl();
        TabPage tabPage1 = new TabPage();
        TabPage tabPage2 = new TabPage();
        TabPage tabPage3 = new TabPage();
        TabPage tabPage4 = new TabPage();
        TabPage tabPage5 = new TabPage();
        Label label1= new Label();


        tabControl1.Multiline = true;
        tabControl1.SizeMode = TabSizeMode.FillToRight;
        tabControl1.Padding = new Point(15, 5);
        tabControl1.Controls.AddRange(new Control[] {
            tabPage1, tabPage2, tabPage3, tabPage4, tabPage5});
        tabControl1.Location = new Point(35, 65);
        tabControl1.Size = new Size(220, 180);    

        // Gets the number of tabs currently in the tabControl1 tab strip.
        // Assigns int value to the tabsInTabStrip variable.
        int tabsInTabStrip = tabControl1.TabCount;

        label1.Text = "There are " + tabsInTabStrip.ToString() + 
            " tabs in the tabControl1 tab strip.";
        label1.Location = new Point(35, 25);
        label1.Size = new Size(220, 30);

        Size = new Size(300, 300);
        Controls.AddRange(new Control[] {label1, tabControl1});
    }

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

[C++] 
using namespace System::Drawing;
using namespace System::Windows::Forms;

public __gc class Form1 : public Form {
public:
    Form1() {
        TabControl* tabControl1 = new TabControl();
        TabPage* tabPage1 = new TabPage();
        TabPage* tabPage2 = new TabPage();
        TabPage* tabPage3 = new TabPage();
        TabPage* tabPage4 = new TabPage();
        TabPage* tabPage5 = new TabPage();
        Label* label1 = new Label();


        tabControl1->Multiline = true;
        tabControl1->SizeMode = TabSizeMode::FillToRight;
        tabControl1->Padding = Point(15, 5);
        Control* tabControls[] = {
            tabPage1, tabPage2, tabPage3, tabPage4, tabPage5};
        tabControl1->Controls->AddRange(tabControls);
        tabControl1->Location = Point(35, 65);
        tabControl1->Size = System::Drawing::Size(220, 180);    

        // Gets the number of tabs currently in the tabControl1 tab strip.
        // Assigns int value to the tabsInTabStrip variable.
        int tabsInTabStrip = tabControl1->TabCount;

        label1->Text = System::String::Concat(S"There are ", 
            __box(tabsInTabStrip), S" tabs in the tabControl1 tab strip.");
        label1->Location = Point(35, 25);
        label1->Size = System::Drawing::Size(220, 30);
        Size = System::Drawing::Size(300, 300);
        Control* formControls[] = {label1, tabControl1};
        Controls->AddRange(formControls);
    }
};

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

[JScript] No example is available for JScript. To view a Visual Basic, C#, or C++ example, click the Language Filter button Language Filter in the upper-left corner of the page.

Requirements

Platforms: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family

See Also

TabControl Class | TabControl Members | System.Windows.Forms Namespace

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