RegistryKey.SetValue メソッド

ソース:

RegistryKey.cs

public:
 void SetValue(System::String ^ name, System::Object ^ value);

public void SetValue(string? name, object value);

public void SetValue(string name, object value);

member this.SetValue : string * obj -> unit

Public Sub SetValue (name As String, value As Object)

パラメーター

例外

例

次のコード例は、 SetValue メソッドが値を設定するときにレジストリ データ型を決定する方法を示しています。 この例では、テスト キーを作成し、キーに異なるデータ型の値を追加します。 次に、 GetValueKind メソッドを使用して名前と値のペアを読み取り、コンソールに表示し、対応するレジストリ データ型を表示します。

using namespace System;
using namespace Microsoft::Win32;
int main()
{
   
   // Delete and recreate the test key.
   Registry::CurrentUser->DeleteSubKey( "RegistrySetValueExample", false );
   RegistryKey ^ rk = Registry::CurrentUser->CreateSubKey( "RegistrySetValueExample" );
   
   // Create name/value pairs.
   // Numeric values that cannot be interpreted as DWord (int) values
   // are stored as strings.
   rk->SetValue( "LargeNumberValue1", (long)42 );
   rk->SetValue( "LargeNumberValue2", 42000000000 );
   rk->SetValue( "DWordValue", 42 );
   array<String^>^temp0 = {"One","Two","Three"};
   rk->SetValue( "MultipleStringValue", temp0 );
   array<Byte>^temp1 = {10,43,44,45,14,255};
   rk->SetValue( "BinaryValue", temp1 );
   
   // This overload of SetValue does not support expanding strings. Use
   // the overload that allows you to specify RegistryValueKind.
   rk->SetValue( "StringValue", "The path is %PATH%" );
   
   // Display all the name/value pairs stored in the test key, with
   // the registry data type in parentheses.
   //
   array<String^>^valueNames = rk->GetValueNames();
   System::Collections::IEnumerator^ myEnum = valueNames->GetEnumerator();
   while ( myEnum->MoveNext() )
   {
      String^ s = safe_cast<String^>(myEnum->Current);
      RegistryValueKind rvk = rk->GetValueKind( s );
      switch ( rvk )
      {
         case RegistryValueKind::MultiString:
         {
            array<String^>^values = (array<String^>^)rk->GetValue( s );
            Console::Write( "\r\n {0} ({1}) = \"{2}\"", s, rvk, values[ 0 ] );
            for ( int i = 1; i < values->Length; i++ )
            {
               Console::Write( ", \"{0}\"", values[ i ] );

            }
            Console::WriteLine();
            break;
         }
         case RegistryValueKind::Binary:
         {
            array<Byte>^bytes = (array<Byte>^)rk->GetValue( s );
            Console::Write( "\r\n {0} ({1}) = {2:X2}", s, rvk, bytes[ 0 ] );
            for ( int i = 1; i < bytes->Length; i++ )
            {
               
               // Display each byte as two hexadecimal digits.
               Console::Write( " {0:X2}", bytes[ i ] );

            }
            Console::WriteLine();
            break;
         }
         default:
            Console::WriteLine( "\r\n {0} ({1}) = {2}", s, rvk, rk->GetValue( s ) );
            break;
      }
   }
}

using System;
using Microsoft.Win32;

public class Example
{
    public static void Main()
    {
        // Delete and recreate the test key.
        Registry.CurrentUser.DeleteSubKey("RegistrySetValueExample", false);
        RegistryKey rk = Registry.CurrentUser.CreateSubKey("RegistrySetValueExample");

        // Create name/value pairs.

        // Numeric values that cannot be interpreted as DWord (int) values
        // are stored as strings.
        rk.SetValue("LargeNumberValue1", (long) 42);
        rk.SetValue("LargeNumberValue2", 42000000000);

        rk.SetValue("DWordValue", 42);
        rk.SetValue("MultipleStringValue", new string[] {"One", "Two", "Three"});
        rk.SetValue("BinaryValue", new byte[] {10, 43, 44, 45, 14, 255});

        // This overload of SetValue does not support expanding strings. Use
        // the overload that allows you to specify RegistryValueKind.
        rk.SetValue("StringValue", "The path is %PATH%");

        // Display all name/value pairs stored in the test key, with each
        // registry data type in parentheses.
        //
        string[] valueNames = rk.GetValueNames();
        foreach (string s in valueNames)
        {
            RegistryValueKind rvk = rk.GetValueKind(s);
            switch (rvk)
            {
                case RegistryValueKind.MultiString :
                    string[] values = (string[]) rk.GetValue(s);
                    Console.Write("\r\n {0} ({1}) = \"{2}\"", s, rvk, values[0]);
                    for (int i = 1; i < values.Length; i++)
                    {
                        Console.Write(", \"{0}\"", values[i]);
                    }
                    Console.WriteLine();
                    break;

                case RegistryValueKind.Binary :
                    byte[] bytes = (byte[]) rk.GetValue(s);
                    Console.Write("\r\n {0} ({1}) = {2:X2}", s, rvk, bytes[0]);
                    for (int i = 1; i < bytes.Length; i++)
                    {
                        // Display each byte as two hexadecimal digits.
                        Console.Write(" {0:X2}", bytes[i]);
                    }
                    Console.WriteLine();
                    break;

                default :
                    Console.WriteLine("\r\n {0} ({1}) = {2}", s, rvk, rk.GetValue(s));
                    break;
            }
        }
    }
}

Imports Microsoft.Win32

Public Class Example
    Public Shared Sub Main()
        ' Delete and recreate the test key.
        Registry.CurrentUser.DeleteSubKey("RegistrySetValueExample", False)
        Dim rk As RegistryKey = Registry.CurrentUser.CreateSubKey("RegistrySetValueExample")
        
        ' Create name/value pairs.
        ' Numeric values that cannot be interpreted as DWord (int) values
        ' are stored as strings.
        rk.SetValue("LargeNumberValue1", CType(42, Long))
        rk.SetValue("LargeNumberValue2", 42000000000)
        
        rk.SetValue("DWordValue", 42)
        rk.SetValue("MultipleStringValue", New String() {"One", "Two", "Three"})
        rk.SetValue("BinaryValue", New Byte() {10, 43, 44, 45, 14, 255})
        
        ' This overload of SetValue does not support expanding strings. Use
        ' the overload that allows you to specify RegistryValueKind.
        rk.SetValue("StringValue", "The path is %PATH%")
        
        ' Display all name/value pairs stored in the test key, with each
        ' registry data type in parentheses.
        '
        Dim valueNames As String() = rk.GetValueNames()
        Dim s As String
        For Each s In  valueNames
            Dim rvk As RegistryValueKind = rk.GetValueKind(s)
            Select Case rvk
                Case RegistryValueKind.MultiString
                    Dim values As String() = CType(rk.GetValue(s), String())
                    Console.Write(vbCrLf + " {0} ({1}) = ""{2}""", s, rvk, values(0))
                    Dim i As Integer
                    For i = 1 To values.Length - 1
                        Console.Write(", ""{0}""", values(i))
                    Next i
                    Console.WriteLine()
                
                Case RegistryValueKind.Binary
                    Dim bytes As Byte() = CType(rk.GetValue(s), Byte())
                    Console.Write(vbCrLf + " {0} ({1}) = {2:X2}", s, rvk, bytes(0))
                    Dim i As Integer
                    For i = 1 To bytes.Length - 1
                        ' Display each byte as two hexadecimal digits.
                        Console.Write(" {0:X2}", bytes(i))
                    Next i
                    Console.WriteLine()
                
                Case Else
                    Console.WriteLine(vbCrLf + " {0} ({1}) = {2}", s, rvk, rk.GetValue(s))
            End Select
        Next s
    End Sub
End Class

注釈

レジストリの各キーには多くの値を格納できるため、 name パラメーターを使用して、設定する特定の値を指定する必要があります。

キーに値を設定するには、書き込みアクセス権でキーを開く必要があります。 書き込みアクセス権を持つキーを開いた後は、そのキー内の任意の名前と値のペアを変更できます。

指定した name がキーに存在しない場合は、キーが作成され、関連付けられた値が valueに設定されます。

SetValueのこのオーバーロードでは、64 ビット整数が文字列 (RegistryValueKind.String) として格納されます。 64 ビット数値をRegistryValueKind.QWord値として格納するには、SetValue(String, Object, RegistryValueKind)を指定するRegistryValueKindオーバーロードを使用します。

この SetValue のオーバーロードでは、環境変数への展開可能な参照が含まれている場合でも、すべての文字列値が RegistryValueKind.Stringとして格納されます。 文字列値を展開可能な文字列 (RegistryValueKind.ExpandString) として保存するには、SetValue(String, Object, RegistryValueKind)を指定するRegistryValueKindオーバーロードを使用します。

32 ビット整数以外の数値型は、このメソッドオーバーロードによって文字列として格納されます。 列挙要素は、要素名を含む文字列として格納されます。

こちらもご覧ください

• GetValue(String)
• GetValueKind(String)
• ValueCount

ソース:

RegistryKey.cs

public:
 void SetValue(System::String ^ name, System::Object ^ value, Microsoft::Win32::RegistryValueKind valueKind);

public void SetValue(string? name, object value, Microsoft.Win32.RegistryValueKind valueKind);

public void SetValue(string name, object value, Microsoft.Win32.RegistryValueKind valueKind);

[System.Runtime.InteropServices.ComVisible(false)]
public void SetValue(string name, object value, Microsoft.Win32.RegistryValueKind valueKind);

member this.SetValue : string * obj * Microsoft.Win32.RegistryValueKind -> unit

[<System.Runtime.InteropServices.ComVisible(false)>]
member this.SetValue : string * obj * Microsoft.Win32.RegistryValueKind -> unit

Public Sub SetValue (name As String, value As Object, valueKind As RegistryValueKind)

パラメーター

属性

ComVisibleAttribute

例外

例

次のコード例では、テスト キーを作成し、 SetValue メソッドを使用して複数の値を格納し、各値のレジストリ データ型を指定します。 次に、 GetValueKind メソッドを使用して名前と値のペアを読み取り、コンソールに表示し、対応するレジストリ データ型を表示します。

using namespace System;
using namespace Microsoft::Win32;
int main()
{
   
   // Delete and recreate the test key.
   Registry::CurrentUser->DeleteSubKey( "RegistryValueKindExample", false );
   RegistryKey ^ rk = Registry::CurrentUser->CreateSubKey( "RegistryValueKindExample" );
   
   // Create name/value pairs.
   // This overload supports QWord (long) values. 
   rk->SetValue( "QuadWordValue", 42, RegistryValueKind::QWord );
   
   // The following SetValue calls have the same effect as using the
   // SetValue overload that does not specify RegistryValueKind.
   //
   rk->SetValue( "DWordValue", 42, RegistryValueKind::DWord );
   rk->SetValue( "MultipleStringValue", gcnew array<String^>{
      "One","Two","Three"
   }, RegistryValueKind::MultiString );
   rk->SetValue( "BinaryValue", gcnew array<Byte>{
      10,43,44,45,14,255
   }, RegistryValueKind::Binary );
   rk->SetValue( "StringValue", "The path is %PATH%", RegistryValueKind::String );
   
   // This overload supports setting expandable string values. Compare
   // the output from this value with the previous string value.
   rk->SetValue( "ExpandedStringValue", "The path is %PATH%", RegistryValueKind::ExpandString );
   
   // Display all the name/value pairs stored in the test key, with the
   // registry data type in parentheses.
   //
   array<String^>^valueNames = rk->GetValueNames();
   System::Collections::IEnumerator^ myEnum = valueNames->GetEnumerator();
   while ( myEnum->MoveNext() )
   {
      String^ s = safe_cast<String^>(myEnum->Current);
      RegistryValueKind rvk = rk->GetValueKind( s );
      switch ( rvk )
      {
         case RegistryValueKind::MultiString:
         {
            array<String^>^values = (array<String^>^)rk->GetValue( s );
            Console::Write( "\r\n {0} ({1}) =", s, rvk );
            for ( int i = 0; i < values->Length; i++ )
            {
               if (i != 0) Console::Write(",");
               Console::Write( " \"{0}\"", values[ i ] );

            }
            Console::WriteLine();
            break;
         }
         case RegistryValueKind::Binary:
         {
            array<Byte>^bytes = (array<Byte>^)rk->GetValue( s );
            Console::Write( "\r\n {0} ({1}) =", s, rvk );
            for ( int i = 0; i < bytes->Length; i++ )
            {
               
               // Display each byte as two hexadecimal digits.
               Console::Write( " {0:X2}", bytes[ i ] );

            }
            Console::WriteLine();
            break;
         }
         default:
            Console::WriteLine( "\r\n {0} ({1}) = {2}", s, rvk, rk->GetValue( s ) );
            break;
      }
   }
}
/*

This code example produces the following output:
 QuadWordValue (QWord) = 42

 DWordValue (DWord) = 42

 MultipleStringValue (MultiString) =, "One", "Two", "Three"

 BinaryValue (Binary) = 0A 2B 2C 2D 0E FF

 StringValue (String) = The path is %PATH%

 ExpandedStringValue (ExpandString) = The path is C:\Program Files\Microsoft.NET\SDK\v2.0\Bin;
 [***The remainder of this output is omitted.***]

*/

using System;
using Microsoft.Win32;

public class Example
{
    public static void Main()
    {
        // Delete and recreate the test key.
        Registry.CurrentUser.DeleteSubKey("RegistryValueKindExample", false);
        RegistryKey rk = Registry.CurrentUser.CreateSubKey("RegistryValueKindExample");

        // Create name/value pairs.

        // This overload supports QWord (long) values.
        rk.SetValue("QuadWordValue", 42, RegistryValueKind.QWord);

        // The following SetValue calls have the same effect as using the
        // SetValue overload that does not specify RegistryValueKind.
        //
        rk.SetValue("DWordValue", 42, RegistryValueKind.DWord);
        rk.SetValue("MultipleStringValue", new string[] {"One", "Two", "Three"}, RegistryValueKind.MultiString);
        rk.SetValue("BinaryValue", new byte[] {10, 43, 44, 45, 14, 255}, RegistryValueKind.Binary);
        rk.SetValue("StringValue", "The path is %PATH%", RegistryValueKind.String);

        // This overload supports setting expandable string values. Compare
        // the output from this value with the previous string value.
        rk.SetValue("ExpandedStringValue", "The path is %PATH%", RegistryValueKind.ExpandString);

        // Display all name/value pairs stored in the test key, with each
        // registry data type in parentheses.
        //
        string[] valueNames = rk.GetValueNames();
        foreach (string s in valueNames)
        {
            RegistryValueKind rvk = rk.GetValueKind(s);
            switch (rvk)
            {
                case RegistryValueKind.MultiString :
                    string[] values = (string[]) rk.GetValue(s);
                    Console.Write("\r\n {0} ({1}) =", s, rvk);
                    for (int i = 0; i < values.Length; i++)
                    {
                        if (i != 0) Console.Write(",");
                        Console.Write(" \"{0}\"", values[i]);
                    }
                    Console.WriteLine();
                    break;

                case RegistryValueKind.Binary :
                    byte[] bytes = (byte[]) rk.GetValue(s);
                    Console.Write("\r\n {0} ({1}) =", s, rvk);
                    for (int i = 0; i < bytes.Length; i++)
                    {
                        // Display each byte as two hexadecimal digits.
                        Console.Write(" {0:X2}", bytes[i]);
                    }
                    Console.WriteLine();
                    break;

                default :
                    Console.WriteLine("\r\n {0} ({1}) = {2}", s, rvk, rk.GetValue(s));
                    break;
            }
        }
    }
}
/*

This code example produces the following output:
 QuadWordValue (QWord) = 42

 DWordValue (DWord) = 42

 MultipleStringValue (MultiString) =, "One", "Two", "Three"

 BinaryValue (Binary) = 0A 2B 2C 2D 0E FF

 StringValue (String) = The path is %PATH%

 ExpandedStringValue (ExpandString) = The path is C:\Program Files\Microsoft.NET\SDK\v2.0\Bin;
 [***The remainder of this output is omitted.***]

*/

Imports Microsoft.Win32

Public Class Example
    Public Shared Sub Main()
        ' Delete and recreate the test key.
        Registry.CurrentUser.DeleteSubKey("RegistryValueKindExample", False)
        Dim rk As RegistryKey = Registry.CurrentUser.CreateSubKey("RegistryValueKindExample")

        ' Create name/value pairs.
        ' This overload supports QWord (long) values.
        rk.SetValue("QuadWordValue", 42, RegistryValueKind.QWord)

        ' The following SetValue calls have the same effect as using the
        ' SetValue overload that does not specify RegistryValueKind.
        '
        rk.SetValue("DWordValue", 42, RegistryValueKind.DWord)
        rk.SetValue("MultipleStringValue", New String() {"One", "Two", "Three"}, RegistryValueKind.MultiString)
        rk.SetValue("BinaryValue", New Byte() {10, 43, 44, 45, 14, 255}, RegistryValueKind.Binary)
        rk.SetValue("StringValue", "The path is %PATH%", RegistryValueKind.String)

        ' This overload supports setting expandable string values. Compare
        ' the output from this value with the previous string value.
        rk.SetValue("ExpandedStringValue", "The path is %PATH%", RegistryValueKind.ExpandString)


        ' Display all name/value pairs stored in the test key, with each
        ' registry data type in parentheses.
        '
        Dim valueNames As String() = rk.GetValueNames()
        Dim s As String
        For Each s In  valueNames
            Dim rvk As RegistryValueKind = rk.GetValueKind(s)
            Select Case rvk
                Case RegistryValueKind.MultiString
                    Dim values As String() = CType(rk.GetValue(s), String())
                    Console.Write(vbCrLf & " {0} ({1}) =", s, rvk)
                    For i As Integer = 0 To values.Length - 1
                        If i <> 0 Then Console.Write(",")
                        Console.Write(" ""{0}""", values(i))
                    Next i
                    Console.WriteLine()

                Case RegistryValueKind.Binary
                    Dim bytes As Byte() = CType(rk.GetValue(s), Byte())
                    Console.Write(vbCrLf & " {0} ({1}) =", s, rvk)
                    For i As Integer = 0 To bytes.Length - 1
                        ' Display each byte as two hexadecimal digits.
                        Console.Write(" {0:X2}", bytes(i))
                    Next i
                    Console.WriteLine()

                Case Else
                    Console.WriteLine(vbCrLf & " {0} ({1}) = {2}", s, rvk, rk.GetValue(s))
            End Select
        Next s
    End Sub
End Class

'
'This code example produces the following output (some output is omitted):
'
' QuadWordValue (QWord) = 42
'
' DWordValue (DWord) = 42
'
' MultipleStringValue (MultiString) = "One", "Two", "Three"
'
' BinaryValue (Binary) = 0A 2B 2C 2D 0E FF
'
' StringValue (String) = The path is %PATH%
'
' ExpandedStringValue (ExpandString) = The path is C:\Program Files\Microsoft.NET\SDK\v2.0\Bin;
' [***The remainder of this output is omitted.***]

注釈

レジストリの各キーには多くの値を格納できるため、 name パラメーターを使用して、設定する特定の値を指定する必要があります。

キーに値を設定するには、書き込みアクセス権でキーを開く必要があります。 書き込みアクセス権を持つキーを開いた後は、そのキー内の任意の名前と値のペアを変更できます。

指定した name がキーに存在しない場合は、キーが作成され、関連付けられた値が valueに設定されます。

指定した value の型が指定した valueKindと一致せず、データを変換できない場合は、 ArgumentException がスローされます。 たとえば、 System.Int64 を RegistryValueKind.DWordとして格納できますが、その値が System.Int32の最大値より小さい場合に限られます。 1 つの文字列値を RegistryValueKind.MultiStringとして格納することはできません。

こちらもご覧ください

• GetValueKind(String)
• GetValue(String)
• ValueCount
• RegistryValueKind