INameCreationService インターフェイス

リファレンス

定義

名前空間:: System.ComponentModel.Design.Serialization

アセンブリ:: System.ComponentModel.TypeConverter.dll

アセンブリ:: System.dll

アセンブリ:: netstandard.dll

重要

一部の情報は、リリース前に大きく変更される可能性があるプレリリースされた製品に関するものです。 Microsoft は、ここに記載されている情報について、明示または黙示を問わず、一切保証しません。

オブジェクトの一意の名前を生成できるサービスを提供します。

public interface class INameCreationService

public interface INameCreationService

type INameCreationService = interface

Public Interface INameCreationService

派生: System.ComponentModel.Design.Serialization.CodeDomDesignerLoader

例

次のコード例では、実装例 INameCreationService を示します。サービスは、指定されたコンテナー内の名前と一致しない型に基づいて一意の名前を作成できます。また、指定した名前文字列を検証することもできます。

#using <System.dll>

using namespace System;
using namespace System::ComponentModel::Design;
using namespace System::ComponentModel::Design::Serialization;
using namespace System::Globalization;

namespace NameCreationServiceExample
{
   public ref class NameCreationService: public System::ComponentModel::Design::Serialization::INameCreationService
   {
   public:
      NameCreationService(){}

      // Creates an identifier for a particular data type that does not conflict 
      // with the identifiers of any components in the specified collection.
      virtual String^ CreateName( System::ComponentModel::IContainer^ container, System::Type^ dataType )
      {
         // Create a basic type name string.
         String^ baseName = dataType->Name;
         int uniqueID = 1;
         bool unique = false;

         // Continue to increment uniqueID numeral until a 
         // unique ID is located.
         while (  !unique )
         {
            unique = true;

            // Check each component in the container for a matching 
            // base type name and unique ID.
            for ( int i = 0; i < container->Components->Count; i++ )
            {
               // Check component name for match with unique ID string.
               if ( container->Components[ i ]->Site->Name->StartsWith( String::Concat( baseName, uniqueID ) ) )
               {
                  // If a match is encountered, set flag to recycle 
                  // collection, increment ID numeral, and restart.
                  unique = false;
                  uniqueID++;
                  break;
               }
            }
         }

         return String::Concat( baseName, uniqueID );
      }

      // Returns whether the specified name contains 
      // all valid character types.
      virtual bool IsValidName( String^ name )
      {
         for ( int i = 0; i < name->Length; i++ )
         {
            Char ch = name[ i ];
            UnicodeCategory uc = Char::GetUnicodeCategory( ch );
            switch ( uc )
            {
               case UnicodeCategory::UppercaseLetter:
               case UnicodeCategory::LowercaseLetter:
               case UnicodeCategory::TitlecaseLetter:
               case UnicodeCategory::DecimalDigitNumber:
                  break;

               default:
                  return false;
            }
         }
         return true;
      }

      // Throws an exception if the specified name does not contain 
      // all valid character types.
      virtual void ValidateName( String^ name )
      {
         for ( int i = 0; i < name->Length; i++ )
         {
            Char ch = name[ i ];
            UnicodeCategory uc = Char::GetUnicodeCategory( ch );
            switch ( uc )
            {
               case UnicodeCategory::UppercaseLetter:
               case UnicodeCategory::LowercaseLetter:
               case UnicodeCategory::TitlecaseLetter:
               case UnicodeCategory::DecimalDigitNumber:
                  break;

               default:
                  throw gcnew Exception( String::Format( "The name '{0}' is not a valid identifier.", name ) );
            }
         }
      }
   };
}

using System;
using System.ComponentModel.Design;
using System.ComponentModel.Design.Serialization;
using System.Globalization;

namespace NameCreationServiceExample
{
    public class NameCreationService : System.ComponentModel.Design.Serialization.INameCreationService
    {
        public NameCreationService()
        {
        }

        // Creates an identifier for a particular data type that does not conflict 
        // with the identifiers of any components in the specified collection.
        public string CreateName(System.ComponentModel.IContainer container, System.Type dataType)
        {
            // Create a basic type name string.
            string baseName = dataType.Name;
            int uniqueID = 1;

            bool unique = false;            
            // Continue to increment uniqueID numeral until a 
            // unique ID is located.
            while( !unique )
            {
                unique = true;
                // Check each component in the container for a matching 
                // base type name and unique ID.
                for(int i=0; i<container.Components.Count; i++)
                {
                    // Check component name for match with unique ID string.
                    if( container.Components[i].Site.Name.StartsWith(baseName+uniqueID.ToString()) )
                    {
                        // If a match is encountered, set flag to recycle 
                        // collection, increment ID numeral, and restart.
                        unique = false;
                        uniqueID++;
                        break;
                    }
                }
            }
            
            return baseName+uniqueID.ToString();
        }

        // Returns whether the specified name contains 
        // all valid character types.
        public bool IsValidName(string name)
        {            
            for(int i = 0; i < name.Length; i++)
            {
                char ch = name[i];
                UnicodeCategory uc = Char.GetUnicodeCategory(ch);
                switch (uc) 
                {
                    case UnicodeCategory.UppercaseLetter:       
                    case UnicodeCategory.LowercaseLetter:     
                    case UnicodeCategory.TitlecaseLetter:                                                  
                    case UnicodeCategory.DecimalDigitNumber:                         
                        break;
                    default:
                        return false;                
                }
            }
            return true;        
         }

        // Throws an exception if the specified name does not contain 
        // all valid character types.
        public void ValidateName(string name)
        {
            for(int i = 0; i < name.Length; i++)
            {
                char ch = name[i];
                UnicodeCategory uc = Char.GetUnicodeCategory(ch);
                switch (uc) 
                {
                    case UnicodeCategory.UppercaseLetter:       
                    case UnicodeCategory.LowercaseLetter:     
                    case UnicodeCategory.TitlecaseLetter:                                                  
                    case UnicodeCategory.DecimalDigitNumber:                         
                        break;
                    default:
                        throw new Exception("The name '"+name+"' is not a valid identifier.");                
                }
            }
        }
     }
}

Imports System.ComponentModel.Design
Imports System.ComponentModel.Design.Serialization
Imports System.Globalization

Public Class NameCreationService
    Implements System.ComponentModel.Design.Serialization.INameCreationService

    Public Sub New()
    End Sub

    ' Creates an identifier for a particular data type that does not conflict 
    ' with the identifiers of any components in the specified collection
    Public Function CreateName(ByVal container As System.ComponentModel.IContainer, ByVal dataType As System.Type) As String Implements INameCreationService.CreateName
        ' Create a basic type name string
        Dim baseName As String = dataType.Name
        Dim uniqueID As Integer = 1

        Dim unique As Boolean = False
        ' Continue to increment uniqueID numeral until a unique ID is located.
        While Not unique
            unique = True
            ' Check each component in the container for a matching 
            ' base type name and unique ID.
            Dim i As Integer
            For i = 0 To container.Components.Count - 1
                ' Check component name for match with unique ID string.
                If container.Components(i).Site.Name.StartsWith((baseName + uniqueID.ToString())) Then
                    ' If a match is encountered, set flag to recycle 
                    ' collection, increment ID numeral, and restart.
                    unique = False
                    uniqueID += 1
                    Exit For
                End If
            Next i
        End While

        Return baseName + uniqueID.ToString()
    End Function

    ' Returns whether the specified name contains 
    ' all valid character types.
    Public Function IsValidName(ByVal name As String) As Boolean Implements INameCreationService.IsValidName
        Dim i As Integer
        For i = 0 To name.Length - 1
            Dim ch As Char = name.Chars(i)
            Dim uc As UnicodeCategory = [Char].GetUnicodeCategory(ch)
            Select Case uc
                Case UnicodeCategory.UppercaseLetter, UnicodeCategory.LowercaseLetter, UnicodeCategory.TitlecaseLetter, UnicodeCategory.DecimalDigitNumber
                Case Else
                    Return False
            End Select
        Next i
        Return True
    End Function

    ' Throws an exception if the specified name does not contain 
    ' all valid character types.
    Public Sub ValidateName(ByVal name As String) Implements INameCreationService.ValidateName
        Dim i As Integer
        For i = 0 To name.Length - 1
            Dim ch As Char = name.Chars(i)
            Dim uc As UnicodeCategory = [Char].GetUnicodeCategory(ch)
            Select Case uc
                Case UnicodeCategory.UppercaseLetter, UnicodeCategory.LowercaseLetter, UnicodeCategory.TitlecaseLetter, UnicodeCategory.DecimalDigitNumber
                Case Else
                    Throw New Exception("The name '" + name + "' is not a valid identifier.")
            End Select
        Next i
    End Sub

End Class

注釈

DesignerLoaderでは、このサービスを実装して、デザイナーがオブジェクトの新しい一意の名前を作成する方法を提供できます。このサービスを使用できない場合、デザイナーは既定の実装を使用します。

メソッド

CreateName(IContainer, Type)	指定したコンテナー内でどのコンポーネントとも重複しない新しい名前を作成します。
IsValidName(String)	指定した名前が有効かどうかを示す値を取得します。
ValidateName(String)	指定した名前が有効かどうかを示す値を取得します。

適用対象

次の方法で共有

INameCreationService インターフェイス

定義

例

注釈

メソッド

適用対象

その他のリソース