ISite インターフェイス
サイトによって要求される機能を提供します。 名前空間: System.ComponentModel
アセンブリ: System (system.dll 内)
構文
解説
使用例
プラットフォーム
バージョン情報
参照
アセンブリ: System (system.dll 内)
構文解説コンテナがそのコンポーネントを管理する方法を提供するのと同様に、サイトは Component を Container にバインドし、コンポーネント間の通信を有効にします。
サイトは、さらに、コンポーネント名など、コンテナに固有でコンポーネント別の情報のリポジトリとしての役割も果たします。
実装時の注意 サイトでは、クラスは ISite インターフェイスを実装する必要があります。使用例蔵書用のコンテナを使用するための ISite、IComponent、および IContainer の実装例を次に示します。
'The following example demonstrates the implementation of 'ISite, IComponent, and IContainer for use in a simple library container. ' 'This example imports the System, System.ComponentModel, and System.Collections 'namespaces. 'This code segment implements the ISite and IComponent interfaces. 'The implementation of the IContainer interface can be seen in the documentation 'of IContainer. 'Implement the ISite interface. 'The ISBNSite class represents the ISBN name of the book component Class ISBNSite Implements ISite Private m_curComponent As IComponent Private m_curContainer As IContainer Private m_bDesignMode As Boolean Private m_ISBNCmpName As String Public Sub New(ByVal actvCntr As IContainer, ByVal prntCmpnt As IComponent) m_curComponent = prntCmpnt m_curContainer = actvCntr m_bDesignMode = False m_ISBNCmpName = Nothing End Sub 'Support the ISite interface. Public ReadOnly Property Component() As IComponent Implements ISite.Component Get Return m_curComponent End Get End Property Public ReadOnly Property Container() As IContainer Implements ISite.Container Get Return m_curContainer End Get End Property Public ReadOnly Property DesignMode() As Boolean Implements ISite.DesignMode Get Return m_bDesignMode End Get End Property Public Property Name() As String Implements ISite.Name Get Return m_ISBNCmpName End Get Set(ByVal Value As String) m_ISBNCmpName = Value End Set End Property 'Support the IServiceProvider interface. Public Function GetService(ByVal serviceType As Type) As Object Implements IServiceProvider.GetService 'This example does not use any service object. GetService = Nothing End Function End Class 'The BookComponent class represents the book component of the library container. Class BookComponent Implements IComponent Public Event Disposed As EventHandler Implements IComponent.Disposed Private m_curISBNSite As ISite Private m_bookTitle As String Private m_bookAuthor As String Public Sub New(ByVal Title As String, ByVal Author As String) m_curISBNSite = Nothing m_bookTitle = Title m_bookAuthor = Author End Sub Public ReadOnly Property Title() As String Get Return m_bookTitle End Get End Property Public ReadOnly Property Author() As String Get Return m_bookAuthor End Get End Property Public Sub Dispose() Implements IDisposable.Dispose 'There is nothing to clean. RaiseEvent Disposed(Me, EventArgs.Empty) End Sub Public Property Site() As ISite Implements IComponent.Site Get Return m_curISBNSite End Get Set(ByVal Value As ISite) m_curISBNSite = Value End Set End Property Public Overloads Function Equals(ByVal cmp As Object) As Boolean Dim cmpObj As BookComponent = CType(cmp, BookComponent) If (Me.Title.Equals(cmpObj.Title) And Me.Author.Equals(cmpObj.Author)) Then Equals = True Else Equals = False End If End Function Public Overrides Function GetHashCode() As Integer GetHashCode = MyBase.GetHashCode() End Function End Class
/// <summary> /// The following example demonstrates the implementation of /// ISite, IComponent, and IContainer for use in a simple library container. /// /// This example uses the System, System.ComponentModel, and System.Collections /// namespaces. /// </summary> //This code segment implements the ISite and IComponent interfaces. //The implementation of the IContainer interface can be seen in the documentation //of IContainer. //Implement the ISite interface. // The ISBNSite class represents the ISBN name of the book component class ISBNSite : ISite { private IComponent m_curComponent; private IContainer m_curContainer; private bool m_bDesignMode; private string m_ISBNCmpName; public ISBNSite(IContainer actvCntr, IComponent prntCmpnt) { m_curComponent = prntCmpnt; m_curContainer = actvCntr; m_bDesignMode = false; m_ISBNCmpName = null; } //Support the ISite interface. public virtual IComponent Component { get { return m_curComponent; } } public virtual IContainer Container { get { return m_curContainer; } } public virtual bool DesignMode { get { return m_bDesignMode; } } public virtual string Name { get { return m_ISBNCmpName; } set { m_ISBNCmpName = value; } } //Support the IServiceProvider interface. public virtual object GetService(Type serviceType) { //This example does not use any service object. return null; } } // The BookComponent class represents the book component of the library container. // This class implements the IComponent interface. class BookComponent : IComponent { public event EventHandler Disposed; private ISite m_curISBNSite; private string m_bookTitle; private string m_bookAuthor; public BookComponent(string Title, string Author) { m_curISBNSite = null; Disposed = null; m_bookTitle = Title; m_bookAuthor = Author; } public string Title { get { return m_bookTitle; } } public string Author { get { return m_bookAuthor; } } public virtual void Dispose() { //There is nothing to clean. if(Disposed != null) Disposed(this,EventArgs.Empty); } public virtual ISite Site { get { return m_curISBNSite; } set { m_curISBNSite = value; } } public override bool Equals(object cmp) { BookComponent cmpObj = (BookComponent)cmp; if(this.Title.Equals(cmpObj.Title) && this.Author.Equals(cmpObj.Author)) return true; return false; } public override int GetHashCode() { return base.GetHashCode(); } }
/// <summary> /// The following example demonstrates the implementation of /// ISite, IComponent, and IContainer for use in a simple library container. /// This example uses the System, System.ComponentModel, and System.Collections /// namespaces. /// </summary> // This code segment implements the ISite and IComponent interfaces. // The implementation of the IContainer interface can be seen in the // documentation of IContainer. // Implement the ISite interface. // The ISBNSite class represents the ISBN name of the book component class ISBNSite implements ISite { private IComponent mCurComponent; private IContainer mCurContainer; private boolean mbDesignMode; private String mISBNCmpName; public ISBNSite(IContainer actvCntr, IComponent prntCmpnt) { mCurComponent = prntCmpnt; mCurContainer = actvCntr; mbDesignMode = false; mISBNCmpName = null; } //ISBNSite //Support the ISite interface. /** @property */ public IComponent get_Component() { return mCurComponent; } //get_Component /** @property */ public IContainer get_Container() { return mCurContainer; } //get_Container /** @property */ public boolean get_DesignMode() { return mbDesignMode; } //get_DesignMode /** @property */ public String get_Name() { return mISBNCmpName; } //get_Name /** @property */ public void set_Name(String value) { mISBNCmpName = value; } //set_Name // Support the IServiceProvider interface. public Object GetService(Type serviceType) { // This example does not use any service object. return null; } //GetService } //ISBNSite // The BookComponent class represents the book component of the library // container. This class implements the IComponent interface. class BookComponent implements IComponent { public EventHandler disposed = null; /** @event */ public void add_Disposed(EventHandler p) { disposed = (EventHandler)System.Delegate.Combine(disposed, p); } //add_Disposed /** @event */ public void remove_Disposed(EventHandler p) { disposed = (EventHandler)System.Delegate.Remove(disposed, p); } //remove_Disposed private ISite mCurISBNSite; private String mBookTitle; private String mBookAuthor; public BookComponent(String title, String author) { mCurISBNSite = null; disposed = null; mBookTitle = title; mBookAuthor = author; } //BookComponent /** @property */ public String get_Title() { return mBookTitle; } //get_Title /** @property */ public String get_Author() { return mBookAuthor; } //get_Author public void Dispose() { // There is nothing to clean. if (disposed != null) { disposed.Invoke(this, EventArgs.Empty); } } //Dispose /** @property */ public ISite get_Site() { return mCurISBNSite; } //get_Site /** @property */ public void set_Site(ISite value) { mCurISBNSite = value; } //set_Site public boolean Equals(Object cmp) { BookComponent cmpObj = (BookComponent)cmp; if (this.get_Title().Equals(cmpObj.get_Title()) && this.get_Author(). Equals(cmpObj.get_Author())) { return true; } return false; } //Equals public int GetHashCode() { return super.GetHashCode(); } //GetHashCode } //BookComponent
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。
バージョン情報参照ISite プロパティ
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ISite メンバ
- ISiteのページへのリンク
