TabControl.TabPageCollection.IsReadOnly Properti

Definisi

Ruang nama:

System.Windows.Forms

Rakitan:

System.Windows.Forms.dll

Sumber:

TabControl.TabPageCollection.cs

Mendapatkan nilai yang menunjukkan apakah koleksi bersifat baca-saja.

public:
 property bool IsReadOnly { bool get(); };

public bool IsReadOnly { get; }

member this.IsReadOnly : bool

Public ReadOnly Property IsReadOnly As Boolean

Nilai Properti

Boolean

Properti ini selalu mengembalikan false.

Penerapan

IsReadOnly

Contoh

Contoh kode berikut membuat TabControl dengan dua TabPage. Contoh ini mendapatkan tabControl1 koleksi kontrol dan menentukan apakah itu baca-saja menggunakan IsReadOnly properti .

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;
      Label^ label1 = gcnew Label;
      
      // Determines if the tabControl1 controls collection is read-only.
      if (tabControl1->TabPages->IsReadOnly)
            label1->Text = "The tabControl1 controls collection is read-only.";
      else
            label1->Text = "The tabControl1 controls collection is not read-only.";

      array<TabPage^>^tabPages = {tabPage1,tabPage2};
      tabControl1->TabPages->AddRange( tabPages );
      tabControl1->Location = Point(25,75);
      tabControl1->Size = System::Drawing::Size( 250, 200 );
      label1->Location = Point(25,25);
      label1->Size = System::Drawing::Size( 250, 25 );
      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
{
    public Form1()
    {
        TabControl tabControl1 = new TabControl();
        TabPage tabPage1 = new TabPage();
        TabPage tabPage2 = new TabPage();
        Label label1 = new Label();

        // Determines if the tabControl1 controls collection is read-only.
        if (tabControl1.TabPages.IsReadOnly)
            label1.Text = "The tabControl1 controls collection is read-only.";
        else
            label1.Text = "The tabControl1 controls collection is not read-only.";

        tabControl1.TabPages.AddRange(new TabPage[] {tabPage1, tabPage2});
        tabControl1.Location = new Point(25, 75);
        tabControl1.Size = new Size(250, 200);

        label1.Location = new Point(25, 25);
        label1.Size = new Size(250, 25);

        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

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

        ' Determines if the tabControl1 controls collection is read-only.
        If tabControl1.TabPages.IsReadOnly = True Then
            label1.Text = "The tabControl1 controls collection is read-only."
        Else
            label1.Text = "The tabControl1 controls collection is not read-only."
        End If
        tabControl1.TabPages.AddRange(New TabPage() {tabPage1, tabPage2})
        tabControl1.Location = New Point(25, 75)
        tabControl1.Size = New Size(250, 200)

        label1.Location = New Point(25, 25)
        label1.Size = New Size(250, 25)

        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