TabControl.TabPageCollection.Count Свойство
Важно!
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Получает число страниц вкладок в коллекции.
public:
property int Count { int get(); };
[System.ComponentModel.Browsable(false)]
public int Count { get; }
[<System.ComponentModel.Browsable(false)>]
member this.Count : int
Public ReadOnly Property Count As Integer
Число страниц вкладок в коллекции.
- Атрибуты
В следующем примере кода создается TabControl три TabPageэлемента. Свойство Count получает количество TabPage объектов в tabControl1
коллекции элементов управления.
using namespace System::Drawing;
using namespace System::Windows::Forms;
public ref class Form1: public Form
{
private:
TabControl^ tabControl1;
TabPage^ tabPage1;
TabPage^ tabPage2;
TabPage^ tabPage3;
Label^ label1;
public:
Form1()
{
this->tabControl1 = gcnew TabControl;
this->tabPage1 = gcnew TabPage;
this->tabPage2 = gcnew TabPage;
this->tabPage3 = gcnew TabPage;
this->label1 = gcnew Label;
array<TabPage^>^tabPages = {tabPage1,tabPage2,tabPage3};
this->tabControl1->TabPages->AddRange( tabPages );
this->tabControl1->Location = Point(25,75);
this->tabControl1->Size = System::Drawing::Size( 250, 200 );
// Gets the number of TabPage objects in the tabControl1 controls collection.
int tabCount = tabControl1->TabPages->Count;
this->label1->Location = Point(25,25);
this->label1->Size = System::Drawing::Size( 250, 25 );
this->label1->Text = System::String::Concat( "The TabControl below has ", tabCount, " TabPage objects in its controls collection." );
this->ClientSize = System::Drawing::Size( 300, 300 );
array<Control^>^formControls = {tabControl1,label1};
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 Label label1;
public Form1()
{
this.tabControl1 = new TabControl();
this.tabPage1 = new TabPage();
this.tabPage2 = new TabPage();
this.tabPage3 = new TabPage();
this.label1 = new Label();
this.tabControl1.TabPages.AddRange(new TabPage[] {
tabPage1, tabPage2, tabPage3});
this.tabControl1.Location = new Point(25, 75);
this.tabControl1.Size = new Size(250, 200);
// Gets the number of TabPage objects in the tabControl1 controls collection.
int tabCount = tabControl1.TabPages.Count;
this.label1.Location = new Point(25, 25);
this.label1.Size = new Size(250, 25);
this.label1.Text = "The TabControl below has " + tabCount.ToString() +
" TabPage objects in its controls collection.";
this.ClientSize = new Size(300, 300);
this.Controls.AddRange(new Control[] {tabControl1, label1});
}
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 label1 As Label
Public Sub New()
Me.tabControl1 = New TabControl()
Me.tabPage1 = New TabPage()
Me.tabPage2 = New TabPage()
Me.tabPage3 = New TabPage()
Me.label1 = New Label()
Me.tabControl1.TabPages.AddRange(New TabPage() {tabPage1, tabPage2, tabPage3})
Me.tabControl1.Location = New Point(25, 75)
Me.tabControl1.Size = New Size(250, 200)
' Gets the number of TabPage objects in the tabControl1 controls collection.
Dim tabCount As Integer = tabControl1.TabPages.Count
Me.label1.Location = New Point(25, 25)
Me.label1.Size = New Size(250, 25)
Me.label1.Text = "The TabControl below has " + tabCount.ToString() + _
" TabPage objects in its controls collection."
Me.ClientSize = New Size(300, 300)
Me.Controls.AddRange(New Control() {tabControl1, label1})
End Sub
Shared Sub Main()
Application.Run(New Form1())
End Sub
End Class