TabControl.RowCount Свойство

Определение

Пространство имен:

System.Windows.Forms

Сборка:

System.Windows.Forms.dll

Возвращает число строк, отображаемых в настоящий момент на полосе вкладок элемента управления.

public:
 property int RowCount { int get(); };

[System.ComponentModel.Browsable(false)]
public int RowCount { get; }

[<System.ComponentModel.Browsable(false)>]
member this.RowCount : int

Public ReadOnly Property RowCount As Integer

Значение свойства

Int32

Число строк, отображаемых в настоящий момент на полосе вкладок.

Атрибуты

BrowsableAttribute

Примеры

В следующем примере кода создается пять TabControl TabPage объектов. В этом примере свойство используется RowCount для получения количества строк, которые в данный момент находятся в полосе tabControl1 табуляции.

using namespace System::Drawing;
using namespace System::Windows::Forms;
public ref class Form1: public Form
{
public:
   Form1()
   {
      TabControl^ tabControl1 = gcnew TabControl;
      TabPage^ tabPage1 = gcnew TabPage;
      TabPage^ tabPage2 = gcnew TabPage;
      TabPage^ tabPage3 = gcnew TabPage;
      TabPage^ tabPage4 = gcnew TabPage;
      TabPage^ tabPage5 = gcnew TabPage;
      Label^ label1 = gcnew Label;
      
      // Allows multiple rows of tabs in the tabControl1 tab strip.
      tabControl1->Multiline = true;
      tabControl1->SizeMode = TabSizeMode::FillToRight;
      tabControl1->Padding = Point(15,5);
      array<Control^>^temp0 = {tabPage1,tabPage2,tabPage3,tabPage4,tabPage5};
      tabControl1->Controls->AddRange( temp0 );
      tabControl1->Location = Point(35,65);
      tabControl1->Size = System::Drawing::Size( 220, 180 );
      
      // Gets the number of rows currently in the tabControl1 tab strip.
      // Assigns int value to the rows variable.
      int rows = tabControl1->RowCount;
      label1->Text = System::String::Concat( "There are ", rows, " rows of tabs in the tabControl1 tab strip." );
      label1->Location = Point(35,25);
      label1->Size = System::Drawing::Size( 220, 30 );
      Size = System::Drawing::Size( 300, 300 );
      array<Control^>^temp1 = {label1,tabControl1};
      Controls->AddRange( temp1 );
   }

};

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

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();

        // Allows multiple rows of tabs in the tabControl1 tab strip.
        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 rows currently in the tabControl1 tab strip.
        // Assigns int value to the rows variable.
        int rows = tabControl1.RowCount;

        label1.Text = "There are " + rows.ToString() + 
            " rows of 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());
    }
}

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()

        ' Allows multiple rows of tabs in the tabControl1 tab strip.
        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 rows currently in the tabControl1 tab strip.
        ' Assigns int value to the rows variable.
        Dim rows As Integer = tabControl1.RowCount

        label1.Text = "There are " + rows.ToString() + " rows of 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

Комментарии

RowCount Используйте свойство, если Multiline свойство и true вы хотите знать количество строк, которые занимают вкладки.