MenuItem.MergeOrder プロパティとは何？わかりやすく解説 Weblio辞書

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MenuItem.MergeOrder プロパティ

メニュー項目が別のメニューにマージされた場合に、そのメニュー項目がマージ後のメニューで占める位置を相対的に示す値を取得または設定します。

名前空間: System.Windows.Forms
アセンブリ: System.Windows.Forms (system.windows.forms.dll 内)
構文

Visual Basic (宣言)

Public Property MergeOrder As
 Integer

Visual Basic (使用法)

Dim instance As MenuItem
Dim value As Integer

value = instance.MergeOrder

instance.MergeOrder = value

public int MergeOrder { get;
 set; }

C++

public:
property int MergeOrder {
    int get ();
    void set (int value);
}

/** @property */
public int get_MergeOrder ()

/** @property */
public void set_MergeOrder (int
 value)

JScript

public function get MergeOrder
 () : int

public function set MergeOrder
 (value : int)

プロパティ値
メニュー項目のマージ後の位置を示す 0 から始まるインデックス番号。既定値は 0 です。

解説

メニュー項目のマージ順序は、MenuItem が含まれているメニュー構造が別のメニュー構造にマージされた場合に、そのメニュー項目がマージ後のメニューで占める位置を相対的に指定します。

使用例

MergeOrder プロパティを使用して、マージ後のメニューの表示方法を制御するコード例を次に示します。これは完成された例であるため、プロジェクトに追加すると実行できます。

Visual Basic

' The following code example demonstrates using the MenuItem 
' Merge-Order property to control the way a merged menu is displayed.



Imports System.Windows.Forms

Public Class Form1
    Inherits System.Windows.Forms.Form

    'Declare a MainMenu object and its items.
    Friend WithEvents mainMenu1 As
 System.Windows.Forms.MainMenu
    Friend WithEvents fileItem As
 System.Windows.Forms.MenuItem
    Friend WithEvents newItem As
 System.Windows.Forms.MenuItem
    Friend WithEvents openItem As
 System.Windows.Forms.MenuItem
    Friend WithEvents saveItem As
 System.Windows.Forms.MenuItem
    Friend WithEvents optionsMenu As
 System.Windows.Forms.MenuItem
    Friend WithEvents viewItem As
 System.Windows.Forms.MenuItem
    Friend WithEvents toolsItem As
 System.Windows.Forms.MenuItem

    ' Declare a ContextMenu object and its items.
    Friend WithEvents contextMenu1 As
 System.Windows.Forms.ContextMenu
    Friend WithEvents cutItem As
 System.Windows.Forms.MenuItem
    Friend WithEvents copyItem As
 System.Windows.Forms.MenuItem
    Friend WithEvents pasteItem As
 System.Windows.Forms.MenuItem

   
    Public Sub New()
        MyBase.New()
        Me.mainMenu1 = New System.Windows.Forms.MainMenu
        Me.fileItem = New System.Windows.Forms.MenuItem
        Me.newItem = New System.Windows.Forms.MenuItem
        Me.openItem = New System.Windows.Forms.MenuItem
        Me.saveItem = New System.Windows.Forms.MenuItem

        Me.viewItem = New System.Windows.Forms.MenuItem
        Me.toolsItem = New System.Windows.Forms.MenuItem


        Me.optionsMenu = New System.Windows.Forms.MenuItem
        Me.toolsItem = New System.Windows.Forms.MenuItem
        Me.viewItem = New System.Windows.Forms.MenuItem

        Me.contextMenu1 = New System.Windows.Forms.ContextMenu
        Me.cutItem = New System.Windows.Forms.MenuItem
        Me.copyItem = New System.Windows.Forms.MenuItem
        Me.pasteItem = New System.Windows.Forms.MenuItem

        'Add file menu item and options menu item to the MainMenu.
        Me.mainMenu1.MenuItems.AddRange(New
 System.Windows.Forms.MenuItem() _
             {Me.fileItem, Me.optionsMenu})

        ' Initialize the file menu and its contents.
        Me.fileItem.Index = 0
        Me.fileItem.Text = "File"
        Me.newItem.Index = 0
        Me.newItem.Text = "New"
        Me.openItem.Index = 1
        Me.openItem.Text = "Open"
        Me.saveItem.Index = 2
        Me.saveItem.Text = "Save"


        ' Set the merge order of fileItem to 2 so it has a lower priority
 
        ' on the merged menu.
        Me.fileItem.MergeOrder = 2

        'Add the new items to the fileItem menu item collection.
        Me.fileItem.MenuItems.AddRange(New
 MenuItem() _
           {Me.newItem, Me.openItem, Me.saveItem})
        '

        ' Initalize the optionsMenu item and its contents.
        Me.optionsMenu.Index = 1
        Me.optionsMenu.Text = "Options"

        Me.viewItem.Index = 0
        Me.viewItem.Text = "View"
        Me.toolsItem.Index = 1
        Me.toolsItem.Text = "Tools"

        ' Set mergeOrder property to 1, so it has a higher priority
 than
        ' the fileItem on the merged menu.
        Me.optionsMenu.MergeOrder = 1

        'Add view and tool items to the optionsItem menu item.
        Me.optionsMenu.MenuItems.AddRange _
            (New MenuItem() {Me.viewItem, Me.toolsItem})

        ' Initialize the menu items for the shortcut menu.
        Me.cutItem.Index = 0
        Me.cutItem.Text = "Cut"
        Me.cutItem.MergeOrder = 0
        Me.copyItem.Index = 1
        Me.copyItem.Text = "Copy"
        Me.copyItem.MergeOrder = 0
        Me.pasteItem.Index = 2
        Me.pasteItem.Text = "Paste"
        Me.pasteItem.MergeOrder = 0

        ' Add menu items to the shortcut menu.
        contextMenu1.MenuItems.AddRange _
            (New MenuItem() {cutItem, copyItem, pasteItem})

        ' Add the mainMenu1 items to the shortcut menu as well, by
        ' calling the MergeMenu method.
        contextMenu1.MergeMenu(mainMenu1)

        'Initialize the form.
        Me.ClientSize = New System.Drawing.Size(292,
 266)
        Me.Name = "Form1"
        Me.Text = "Right click on form for
 merged menu."

        ' Add mainMenu1 to the form.
        Me.Menu = mainMenu1


    End Sub


    Private Sub Form1_MouseDown(ByVal
 sender As Object, _
        ByVal e As MouseEventArgs) Handles
 MyBase.MouseDown

        ' Check for a right mouse click.
        If (e.Button = MouseButtons.Right) Then

            ' Display a merged menu containing items from mainMenu1
 
            ' and contextMenu1.
            contextMenu1.Show(Me, New System.Drawing.Point(30,
 30))
        End If
    End Sub

    <System.STAThreadAttribute()> Public Shared
 Sub Main()
        Application.Run(New Form1)
    End Sub


    

End Class

// The following code example demonstrates using the MenuItem 
// Merge-Order property to control the way a merged menu is displayed.



using System.Windows.Forms;

public class Form1:
    System.Windows.Forms.Form

    //Declare a MainMenu object and its items.
{
    internal System.Windows.Forms.MainMenu mainMenu1;
    internal System.Windows.Forms.MenuItem fileItem;
    internal System.Windows.Forms.MenuItem newItem;
    internal System.Windows.Forms.MenuItem openItem;
    internal System.Windows.Forms.MenuItem saveItem;
    internal System.Windows.Forms.MenuItem optionsMenu;
    internal System.Windows.Forms.MenuItem viewItem;
    internal System.Windows.Forms.MenuItem toolsItem;

    // Declare a ContextMenu object and its items.
    internal System.Windows.Forms.ContextMenu contextMenu1;
    internal System.Windows.Forms.MenuItem cutItem;
    internal System.Windows.Forms.MenuItem copyItem;
    internal System.Windows.Forms.MenuItem pasteItem;

    public Form1() : base()
    {        
        this.mainMenu1 = new System.Windows.Forms.MainMenu();
        this.fileItem = new System.Windows.Forms.MenuItem();
        this.newItem = new System.Windows.Forms.MenuItem();
        this.openItem = new System.Windows.Forms.MenuItem();
        this.saveItem = new System.Windows.Forms.MenuItem();

        this.viewItem = new System.Windows.Forms.MenuItem();
        this.toolsItem = new System.Windows.Forms.MenuItem();

        this.optionsMenu = new System.Windows.Forms.MenuItem();
        this.toolsItem = new System.Windows.Forms.MenuItem();
        this.viewItem = new System.Windows.Forms.MenuItem();

        this.contextMenu1 = new System.Windows.Forms.ContextMenu();
        this.cutItem = new System.Windows.Forms.MenuItem();
        this.copyItem = new System.Windows.Forms.MenuItem();
        this.pasteItem = new System.Windows.Forms.MenuItem();

        //Add file menu item and options menu item to the MainMenu.
        this.mainMenu1.MenuItems.AddRange(
            new System.Windows.Forms.MenuItem[]
            {this.fileItem, this.optionsMenu});

        // Initialize the file menu and its contents.
        this.fileItem.Index = 0;
        this.fileItem.Text = "File";
        this.newItem.Index = 0;
        this.newItem.Text = "New";
        this.openItem.Index = 1;
        this.openItem.Text = "Open";
        this.saveItem.Index = 2;
        this.saveItem.Text = "Save";


        // Set the merge order of fileItem to 2 so it has a lower priority
 
        // on the merged menu.
        this.fileItem.MergeOrder = 2;

        //Add the new items to the fileItem menu item collection.
        this.fileItem.MenuItems.AddRange(new
 MenuItem[]
            {this.newItem, this.openItem, this.saveItem});
        

        // Initalize the optionsMenu item and its contents.
        this.optionsMenu.Index = 1;
        this.optionsMenu.Text = "Options";

        this.viewItem.Index = 0;
        this.viewItem.Text = "View";
        this.toolsItem.Index = 1;
        this.toolsItem.Text = "Tools";

        // Set mergeOrder property to 1, so it has a higher priority
 than
        // the fileItem on the merged menu.
        this.optionsMenu.MergeOrder = 1;

        //Add view and tool items to the optionsItem menu item.
        this.optionsMenu.MenuItems.AddRange(new
 MenuItem[]
            {this.viewItem, this.toolsItem});

        // Initialize the menu items for the shortcut menu.
        this.cutItem.Index = 0;
        this.cutItem.Text = "Cut";
        this.cutItem.MergeOrder = 0;
        this.copyItem.Index = 1;
        this.copyItem.Text = "Copy";
        this.copyItem.MergeOrder = 0;
        this.pasteItem.Index = 2;
        this.pasteItem.Text = "Paste";
        this.pasteItem.MergeOrder = 0;

        // Add menu items to the shortcut menu.
        this.contextMenu1.MenuItems.AddRange(new
 MenuItem[]
            {cutItem, copyItem, pasteItem});

        // Add the mainMenu1 items to the shortcut menu as well, by
        // calling the MergeMenu method.
        contextMenu1.MergeMenu(mainMenu1);

        //Initialize the form.
        this.ClientSize = new System.Drawing.Size(292,
 266);
        this.Name = "Form1";
        this.Text = "Right click on form for
 merged menu.";
        
        // Associate the event-handling method with the
        // MouseDown event.
        this.MouseDown +=new MouseEventHandler(Form1_MouseDown);

        // Add mainMenu1 to the form.
        this.Menu = mainMenu1;
    }

    private void Form1_MouseDown(object sender,
 MouseEventArgs e)
    {

        // Check for a right mouse click.
        if (e.Button==MouseButtons.Right)

            // Display a merged menu containing items from mainMenu1
 
            // and contextMenu1.
        {
            contextMenu1.Show(this, new System.Drawing.Point(30,
 30));
        }
    }

    [System.STAThreadAttribute]
    public static void Main()
    {
        Application.Run(new Form1());
    }


}

C++

// The following code example demonstrates using the MenuItem 
// Merge-Order property to control the way a merged menu is displayed.
using namespace System::Windows::Forms;

//Declare a MainMenu object and its items.
public ref class Form1: public
 System::Windows::Forms::Form
{
public private:
   System::Windows::Forms::MainMenu^ mainMenu1;
   System::Windows::Forms::MenuItem^ fileItem;
   System::Windows::Forms::MenuItem^ newItem;
   System::Windows::Forms::MenuItem^ openItem;
   System::Windows::Forms::MenuItem^ saveItem;
   System::Windows::Forms::MenuItem^ optionsMenu;
   System::Windows::Forms::MenuItem^ viewItem;
   System::Windows::Forms::MenuItem^ toolsItem;

   // Declare a ContextMenu object and its items.
   System::Windows::Forms::ContextMenu^ contextMenu1;
   System::Windows::Forms::MenuItem^ cutItem;
   System::Windows::Forms::MenuItem^ copyItem;
   System::Windows::Forms::MenuItem^ pasteItem;

public:
   Form1()
      : Form()
   {
      this->mainMenu1 = gcnew System::Windows::Forms::MainMenu;
      this->fileItem = gcnew System::Windows::Forms::MenuItem;
      this->newItem = gcnew System::Windows::Forms::MenuItem;
      this->openItem = gcnew System::Windows::Forms::MenuItem;
      this->saveItem = gcnew System::Windows::Forms::MenuItem;
      this->viewItem = gcnew System::Windows::Forms::MenuItem;
      this->toolsItem = gcnew System::Windows::Forms::MenuItem;
      this->optionsMenu = gcnew System::Windows::Forms::MenuItem;
      this->toolsItem = gcnew System::Windows::Forms::MenuItem;
      this->viewItem = gcnew System::Windows::Forms::MenuItem;
      this->contextMenu1 = gcnew System::Windows::Forms::ContextMenu;
      this->cutItem = gcnew System::Windows::Forms::MenuItem;
      this->copyItem = gcnew System::Windows::Forms::MenuItem;
      this->pasteItem = gcnew System::Windows::Forms::MenuItem;
      
      //Add file menu item and options menu item to the MainMenu.
      array<System::Windows::Forms::MenuItem^>^temp0 = {this->fileItem
,this->optionsMenu};
      this->mainMenu1->MenuItems->AddRange( temp0 );
      
      // Initialize the file menu and its contents.
      this->fileItem->Index = 0;
      this->fileItem->Text = "File";
      this->newItem->Index = 0;
      this->newItem->Text = "New";
      this->openItem->Index = 1;
      this->openItem->Text = "Open";
      this->saveItem->Index = 2;
      this->saveItem->Text = "Save";
      
      // Set the merge order of fileItem to 2 so it has a lower priority
 
      // on the merged menu.
      this->fileItem->MergeOrder = 2;
      
      //Add the new items to the fileItem menu item collection.
      array<MenuItem^>^temp1 = {this->newItem,this->openItem
,this->saveItem};
      this->fileItem->MenuItems->AddRange( temp1 );
      
      // Initalize the optionsMenu item and its contents.
      this->optionsMenu->Index = 1;
      this->optionsMenu->Text = "Options";
      this->viewItem->Index = 0;
      this->viewItem->Text = "View";
      this->toolsItem->Index = 1;
      this->toolsItem->Text = "Tools";
      
      // Set mergeOrder property to 1, so it has a higher priority than
      // the fileItem on the merged menu.
      this->optionsMenu->MergeOrder = 1;
      
      //Add view and tool items to the optionsItem menu item.
      array<MenuItem^>^temp2 = {this->viewItem,this->toolsItem};
      this->optionsMenu->MenuItems->AddRange( temp2 );
      
      // Initialize the menu items for the shortcut menu.
      this->cutItem->Index = 0;
      this->cutItem->Text = "Cut";
      this->cutItem->MergeOrder = 0;
      this->copyItem->Index = 1;
      this->copyItem->Text = "Copy";
      this->copyItem->MergeOrder = 0;
      this->pasteItem->Index = 2;
      this->pasteItem->Text = "Paste";
      this->pasteItem->MergeOrder = 0;
      
      // Add menu items to the shortcut menu.
      array<MenuItem^>^temp3 = {cutItem,copyItem,pasteItem};
      this->contextMenu1->MenuItems->AddRange( temp3
 );
      
      // Add the mainMenu1 items to the shortcut menu as well, by
      // calling the MergeMenu method.
      contextMenu1->MergeMenu( mainMenu1 );
      
      //Initialize the form.
      this->ClientSize = System::Drawing::Size( 292, 266 );
      this->Name = "Form1";
      this->Text = "Right click on form for
 merged menu.";
      
      // Associate the event-handling method with the
      // MouseDown event.
      this->MouseDown += gcnew MouseEventHandler( this,
 &Form1::Form1_MouseDown );
      
      // Add mainMenu1 to the form.
      this->Menu = mainMenu1;
   }


private:
   void Form1_MouseDown( Object^ /*sender*/, MouseEventArgs^ e
 )
   {
      
      // Check for a right mouse click.
      if ( e->Button == ::MouseButtons::Right )
      {
         contextMenu1->Show( this, System::Drawing::Point(
 30, 30 ) );
      }
   }

};


[System::STAThreadAttribute]
int main()
{
   Application::Run( gcnew Form1 );
}

// The following code example demonstrates using the MenuItem 
// Merge-Order property to control the way a merged menu is displayed.

import System.Windows.Forms.*;

public class Form1 extends System.Windows.Forms.Form
{
    //Declare a MainMenu object and its items.
    System.Windows.Forms.MainMenu mainMenu1;
    System.Windows.Forms.MenuItem fileItem;
    System.Windows.Forms.MenuItem newItem;
    System.Windows.Forms.MenuItem openItem;
    System.Windows.Forms.MenuItem saveItem;
    System.Windows.Forms.MenuItem optionsMenu;
    System.Windows.Forms.MenuItem viewItem;
    System.Windows.Forms.MenuItem toolsItem;

    // Declare a ContextMenu object and its items.
    System.Windows.Forms.ContextMenu contextMenu1;
    System.Windows.Forms.MenuItem cutItem;
    System.Windows.Forms.MenuItem copyItem;
    System.Windows.Forms.MenuItem pasteItem;

    public Form1()
    {
        super();
        this.mainMenu1 = new System.Windows.Forms.MainMenu();
        this.fileItem = new System.Windows.Forms.MenuItem();
        this.newItem = new System.Windows.Forms.MenuItem();
        this.openItem = new System.Windows.Forms.MenuItem();
        this.saveItem = new System.Windows.Forms.MenuItem();

        this.viewItem = new System.Windows.Forms.MenuItem();
        this.toolsItem = new System.Windows.Forms.MenuItem();

        this.optionsMenu = new System.Windows.Forms.MenuItem();
        this.toolsItem = new System.Windows.Forms.MenuItem();
        this.viewItem = new System.Windows.Forms.MenuItem();

        this.contextMenu1 = new System.Windows.Forms.ContextMenu();
        this.cutItem = new System.Windows.Forms.MenuItem();
        this.copyItem = new System.Windows.Forms.MenuItem();
        this.pasteItem = new System.Windows.Forms.MenuItem();
        //Add file menu item and options menu item to the MainMenu.
        this.mainMenu1.get_MenuItems().AddRange(
            new System.Windows.Forms.MenuItem[]{this.fileItem
,this.optionsMenu});
        // Initialize the file menu and its contents.
        this.fileItem.set_Index(0);
        this.fileItem.set_Text("File");
        this.newItem.set_Index(0);
        this.newItem.set_Text("New");
        this.openItem.set_Index(1);
        this.openItem.set_Text("Open");
        this.saveItem.set_Index(2);
        this.saveItem.set_Text("Save");
        // Set the merge order of fileItem to 2 so it has a lower priority
 
        // on the merged menu.
        this.fileItem.set_MergeOrder(2);
        //Add the new items to the fileItem menu item collection.
        this.fileItem.get_MenuItems().AddRange(new
 MenuItem[]
            { this.newItem, this.openItem,
 this.saveItem });
        // Initalize the optionsMenu item and its contents.
        this.optionsMenu.set_Index(1);
        this.optionsMenu.set_Text("Options");

        this.viewItem.set_Index(0);
        this.viewItem.set_Text("View");
        this.toolsItem.set_Index(1);
        this.toolsItem.set_Text("Tools");
        // Set mergeOrder property to 1, so it has a higher priority
 than
        // the fileItem on the merged menu.
        this.optionsMenu.set_MergeOrder(1);
        //Add view and tool items to the optionsItem menu item.
        this.optionsMenu.get_MenuItems().AddRange(new
 MenuItem[]
            { this.viewItem, this.toolsItem
 });
        // Initialize the menu items for the shortcut menu.
        this.cutItem.set_Index(0);
        this.cutItem.set_Text("Cut");
        this.cutItem.set_MergeOrder(0);
        this.copyItem.set_Index(1);
        this.copyItem.set_Text("Copy");
        this.copyItem.set_MergeOrder(0);
        this.pasteItem.set_Index(2);
        this.pasteItem.set_Text("Paste");
        this.pasteItem.set_MergeOrder(0);
        // Add menu items to the shortcut menu.
        this.contextMenu1.get_MenuItems().AddRange(new
 MenuItem[]
            { cutItem, copyItem, pasteItem });
        // Add the mainMenu1 items to the shortcut menu as well, by
        // calling the MergeMenu method.
        contextMenu1.MergeMenu(mainMenu1);
        //Initialize the form.
        this.set_ClientSize(new System.Drawing.Size(292,
 266));
        this.set_Name("Form1");
        this.set_Text("Right click on form for
 merged menu.");
        // Associate the event-handling method with the
        // MouseDown event.
        this.add_MouseDown(new MouseEventHandler(Form1_MouseDown));
        // Add mainMenu1 to the form.
        this.set_Menu(mainMenu1);
    } //Form1

    private void Form1_MouseDown(Object sender,
 MouseEventArgs e)
    {
        // Check for a right mouse click.
        if (e.get_Button().Equals(get_MouseButtons().Right)) {
            // Display a merged menu containing items from mainMenu1
 
            // and contextMenu1.
            contextMenu1.Show(this, new System.Drawing.Point(30,
 30));
        }
    } //Form1_MouseDown

    /** @attribute System.STAThreadAttribute()
     */
    public static void main(String[]
 args)
    {
        Application.Run(new Form1());
    } //main
} //Form1

プラットフォーム

Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

開発プラットフォームの中には、.NET Framework によってサポートされていないバージョンがあります。サポートされているバージョンについては、「システム要件」を参照してください。

バージョン情報

.NET Framework
サポート対象 : 2.0、1.1、1.0

参照

関連項目
MenuItem クラス
MenuItem メンバ
System.Windows.Forms 名前空間
MergeType
MergeMenu

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MenuItem.MergeOrder プロパティとは？わかりやすく解説