TabControl.RowCount プロパティ
アセンブリ: System.Windows.Forms (system.windows.forms.dll 内)



5 つの TabPage オブジェクトのある TabControl を作成するコード例を次に示します。この例では、RowCount プロパティを使用して、tabControl1 タブ ストリップ内の現在の行数を取得します。
この例では、System.Drawing 名前空間と System.Windows.Forms 名前空間を使用します。
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
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()); } }
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 ); }
import System.Drawing.*; import System.Windows.Forms.*; public class Form1 extends 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.set_Multiline(true); tabControl1.set_SizeMode(TabSizeMode.FillToRight); tabControl1.set_Padding(new Point(15, 5)); tabControl1.get_Controls().AddRange(new Control[] { tabPage1, tabPage2, tabPage3, tabPage4, tabPage5 }); tabControl1.set_Location(new Point(35, 65)); tabControl1.set_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.get_RowCount(); label1.set_Text("There are " + ((System.Int32)rows).ToString() + " rows of tabs in the tabControl1 tab strip."); label1.set_Location(new Point(35, 25)); label1.set_Size(new Size(220, 30)); set_Size(new Size(300, 300)); get_Controls().AddRange(new Control[] {label1, tabControl1 }); } //Form1 public static void main(String[] args) { Application.Run(new Form1()); } //main } //Form1

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