TabControl.TabPageCollection.Clear Metode

Definisi

Ruang nama:

System.Windows.Forms

Rakitan:

System.Windows.Forms.dll

Sumber:

TabControl.TabPageCollection.cs

Menghapus semua halaman tab dari koleksi.

public:
 virtual void Clear();

public virtual void Clear();

abstract member Clear : unit -> unit
override this.Clear : unit -> unit

Public Overridable Sub Clear ()

Penerapan

Clear()

Contoh

Contoh kode berikut awalnya membuat TabControl dengan tiga TabPage. Contoh ini menggunakan Clear metode untuk menghapus semua kontrol dalam tabControl1 koleksi kontrol pada satu instans. Kemudian, contoh menambahkan tabPage2 kembali ke koleksi. Perhatikan bahwa TabPages properti digunakan untuk mendapatkan tabControl1 koleksi kontrol untuk menghapus (dan menambahkan) halaman tab dari koleksi ini.

using namespace System::Drawing;
using namespace System::Windows::Forms;
public ref class Form1: public Form
{
private:
   TabControl^ tabControl1;
   TabPage^ tabPage1;
   TabPage^ tabPage2;
   TabPage^ tabPage3;

public:
   Form1()
   {
      this->tabControl1 = gcnew TabControl;
      this->tabPage1 = gcnew TabPage( "tabPage1" );
      this->tabPage2 = gcnew TabPage( "tabPage2" );
      this->tabPage3 = gcnew TabPage( "tabPage3" );
      
      // Populates the tabControl1 with three tab pages.
      array<TabPage^>^tabPages = {tabPage1,tabPage2,tabPage3};
      this->tabControl1->TabPages->AddRange( tabPages );
      
      // Removes all the tab pages from tabControl1.
      this->tabControl1->TabPages->Clear();
      
      // Adds the tabPage1 back to tabControl1.
      this->tabControl1->TabPages->Add( tabPage2 );
      this->tabControl1->Location = Point(25,25);
      this->tabControl1->Size = System::Drawing::Size( 250, 250 );
      this->ClientSize = System::Drawing::Size( 300, 300 );
      this->Controls->Add( tabControl1 );
   }

};

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;

    public Form1()
    {
        this.tabControl1 = new TabControl();
        this.tabPage1 = new TabPage("tabPage1");
        this.tabPage2 = new TabPage("tabPage2");
        this.tabPage3 = new TabPage("tabPage3");

        // Populates the tabControl1 with three tab pages.
        this.tabControl1.TabPages.AddRange(new TabPage[] {
            tabPage1, tabPage2, tabPage3});

        // Removes all the tab pages from tabControl1.
        this.tabControl1.TabPages.Clear();

        // Adds the tabPage1 back to tabControl1.
        this.tabControl1.TabPages.Add(tabPage2);

        this.tabControl1.Location = new Point(25, 25);
        this.tabControl1.Size = new Size(250, 250);
        this.ClientSize = new Size(300, 300);
        this.Controls.Add(tabControl1);
    }

    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

    Public Sub New()
        Me.tabControl1 = New TabControl()
        Me.tabPage1 = New TabPage("tabPage1")
        Me.tabPage2 = New TabPage("tabPage2")
        Me.tabPage3 = New TabPage("tabPage3")

        ' Populates the tabControl1 with three tab pages.
        Me.tabControl1.TabPages.AddRange(New TabPage() {tabPage1, tabPage2, tabPage3})

        ' Removes all the tab pages from tabControl1.
        Me.tabControl1.TabPages.Clear()

        ' Adds the tabPage1 back to tabControl1.
        Me.tabControl1.TabPages.Add(tabPage2)

        Me.tabControl1.Location = New Point(25, 25)
        Me.tabControl1.Size = New Size(250, 250)
        Me.ClientSize = New Size(300, 300)
        Me.Controls.Add(tabControl1)
    End Sub

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

Lihat juga

• Remove(TabPage)