SharedPropertyとは? わかりやすく解説

SharedProperty クラス

共有プロパティアクセスます。このクラス継承できません。

名前空間: System.EnterpriseServices
アセンブリ: System.EnterpriseServices (system.enterpriseservices.dll 内)
構文構文

<ComVisibleAttribute(False)> _
Public NotInheritable Class
 SharedProperty
Dim instance As SharedProperty
[ComVisibleAttribute(false)] 
public sealed class SharedProperty
[ComVisibleAttribute(false)] 
public ref class SharedProperty sealed
/** @attribute ComVisibleAttribute(false) */ 
public final class SharedProperty
ComVisibleAttribute(false) 
public final class SharedProperty
使用例使用例

共有プロパティ作成して共有プロパティ格納されている値の設定および取得を行う方法次のコード例示します

Imports System
Imports System.EnterpriseServices
Imports System.Reflection

<Assembly: ApplicationName("ReceiptNumberGenerator")>
 
<Assembly: ApplicationActivation(ActivationOption.Library)> 
 

Public Class ReceiptNumberGeneratorClass
    
    ' Generates a new receipt number based on the receipt number
    ' stored by the Shared Property Manager (SPM)
    Public Function GetNextReceiptNumber()
 As Integer 
        Dim groupExists, propertyExists As
 Boolean
        Dim nextReceiptNumber As Integer
 = 0
        Dim lockMode As PropertyLockMode =
 PropertyLockMode.SetGet
        Dim releaseMode As PropertyReleaseMode
 = PropertyReleaseMode.Standard
        
        ' Create a shared property group manager.
        Dim groupManager As New
 SharedPropertyGroupManager()

        ' Create a shared property group.
        Dim group As SharedPropertyGroup =
 groupManager.CreatePropertyGroup("Receipts", lockMode,
 releaseMode, groupExists)
        ' Create a shared property.
        Dim ReceiptNumber As SharedProperty
        ReceiptNumber = group.CreateProperty("ReceiptNumber",
 propertyExists)

        ' Retrieve the value from shared property, and increment the
 shared 
        ' property value.
        nextReceiptNumber = Fix(ReceiptNumber.Value)
        ReceiptNumber.Value = nextReceiptNumber + 1

        ' Return nextReceiptNumber
        Return nextReceiptNumber
    
    End Function 'GetNextReceiptNumber

End Class 'ReceiptNumberGeneratorClass
using System;
using System.EnterpriseServices;
using System.Reflection;


[assembly: ApplicationName("ReceiptNumberGenerator")] 
[assembly: ApplicationActivation(ActivationOption.Library)] 

public class ReceiptNumberGeneratorClass
{
    // Generates a new receipt number based on the receipt number
    // stored by the Shared Property Manager (SPM)
    public int GetNextReceiptNumber() 
    {
        bool groupExists,propertyExists;
        int nextReceiptNumber = 0;
        PropertyLockMode lockMode = PropertyLockMode.SetGet;
        PropertyReleaseMode releaseMode = PropertyReleaseMode.Standard;

        // Create a shared property group manager.
        SharedPropertyGroupManager groupManager = new SharedPropertyGroupManager();
        // Create a shared property group.
        SharedPropertyGroup group = groupManager.CreatePropertyGroup("Receipts"
,
                                   ref lockMode, ref releaseMode, out groupExists);
        // Create a shared property.
        SharedProperty ReceiptNumber;
        ReceiptNumber = group.CreateProperty("ReceiptNumber",out propertyExists);
        // Retrieve the value from shared property, and increment the
 shared 
        // property value.
        nextReceiptNumber = (int) ReceiptNumber.Value;
        ReceiptNumber.Value = nextReceiptNumber + 1;
        // Return nextReceiptNumber
        return nextReceiptNumber;
            
    }
}
#using <System.EnterpriseServices.dll>

using namespace System;
using namespace System::EnterpriseServices;
using namespace System::Reflection;

[assembly:AssemblyKeyFile("..\\common\\key.snk")];
[assembly:ApplicationName("ReceiptNumberGenerator")];
[assembly:ApplicationActivation(ActivationOption::Library)];

public ref class ReceiptNumberGeneratorClass
{
public:

   // Generates a new receipt number based on the receipt number
   // stored by the Shared Property Manager (SPM)
   int GetNextReceiptNumber()
   {
      bool groupExists;
      bool propertyExists;
      int nextReceiptNumber = 0;
      PropertyLockMode lockMode = PropertyLockMode::SetGet;
      PropertyReleaseMode releaseMode = PropertyReleaseMode::Standard;
      
      // Create a shared property group manager.
      SharedPropertyGroupManager^ groupManager = gcnew SharedPropertyGroupManager;

      // Create a shared property group.
      SharedPropertyGroup^ group =
         groupManager->CreatePropertyGroup( "Receipts",  lockMode, 
 releaseMode,  groupExists );

      // Create a shared property.
      SharedProperty^ ReceiptNumber;
      ReceiptNumber = group->CreateProperty( "ReceiptNumber",  propertyExists
 );

      // Retrieve the value from shared property, and increment the
 shared 
      // property value.
      nextReceiptNumber =  safe_cast<int>(ReceiptNumber->Value);
      ReceiptNumber->Value = nextReceiptNumber + 1;

      // Return nextReceiptNumber
      return nextReceiptNumber;
   }
};
import System.*;
import System.EnterpriseServices.*;
import System.Reflection.*;

/** @assembly AssemblyKeyFile("key.snk")
 */
/** @assembly ApplicationName("ReceiptNumberGenerator")
 */
/** @assembly ApplicationActivation(ActivationOption.Library)
 */

public class ReceiptNumberGeneratorClass
{
    // Generates a new receipt number based on the receipt number
    // stored by the Shared Property Manager (SPM)
    public int GetNextReceiptNumber()
    {
        boolean groupExists = false;
        boolean propertyExists = false;
        int nextReceiptNumber = 0;
        PropertyLockMode lockMode = PropertyLockMode.SetGet;
        PropertyReleaseMode releaseMode = PropertyReleaseMode.Standard;

        // Create a shared property group manager.
        SharedPropertyGroupManager groupManager =
            new SharedPropertyGroupManager();

        // Create a shared property group.
        SharedPropertyGroup group = groupManager.CreatePropertyGroup("Receipts"
,
            lockMode, releaseMode, groupExists);

        // Create a shared property.
        SharedProperty receiptNumber;
        receiptNumber = group.CreateProperty("receiptNumber", propertyExists);

        // Retrieve the value from shared property, and increment the
 shared 
        // property value.
        nextReceiptNumber = System.Convert.ToInt32(receiptNumber.get_Value());
        receiptNumber.set_Value((Int32)(nextReceiptNumber + 1));

        // Return nextReceiptNumber
        return nextReceiptNumber;
    } //GetNextReceiptNumber 
} //ReceiptNumberGeneratorClass
継承階層継承階層
System.Object
  System.EnterpriseServices.SharedProperty
スレッド セーフスレッド セーフ
この型の public static (Visual Basic では Shared) メンバはすべて、スレッド セーフです。インスタンス メンバ場合は、スレッド セーフであるとは限りません。
プラットフォームプラットフォーム
バージョン情報バージョン情報
参照参照

SharedProperty プロパティ


SharedProperty メソッド


SharedProperty メンバ

共有プロパティアクセスます。このクラス継承できません。

SharedProperty データ型公開されるメンバを以下の表に示します


パブリック プロパティパブリック プロパティ
パブリック メソッドパブリック メソッド
プロテクト メソッドプロテクト メソッド
参照参照

関連項目

SharedProperty クラス
System.EnterpriseServices 名前空間



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