StackFrame コンストラクタ (String, Int32, Int32)
アセンブリ: mscorlib (mscorlib.dll 内)

Dim fileName As String Dim lineNumber As Integer Dim colNumber As Integer Dim instance As New StackFrame(fileName, lineNumber, colNumber)
public StackFrame ( string fileName, int lineNumber, int colNumber )
public: StackFrame ( String^ fileName, int lineNumber, int colNumber )
public StackFrame ( String fileName, int lineNumber, int colNumber )
public function StackFrame ( fileName : String, lineNumber : int, colNumber : int )


StackFrame コンストラクタを使用するコード例を次に示します。
Try Dim [nestedClass] As New ClassLevel5() [nestedClass].Level5Method() Catch e As Exception Console.WriteLine(" Level4Method exception handler") ' Build a stack trace from a dummy stack frame. ' Explicitly specify the source file name, line number ' and column number. Dim st As New StackTrace(New StackFrame("source.cs", 79, 24)) Console.WriteLine(" Stack trace with dummy stack frame: {0}", _ st.ToString()) ' Access the StackFrames explicitly to display the file ' name, line number and column number properties. ' StackTrace.ToString only includes the method name. Dim i As Integer For i = 0 To st.FrameCount - 1 Dim sf As StackFrame = st.GetFrame(i) Console.WriteLine(" File: {0}", sf.GetFileName()) Console.WriteLine(" Line Number: {0}", _ sf.GetFileLineNumber()) Console.WriteLine(" Column Number: {0}", _ sf.GetFileColumnNumber()) Next i Console.WriteLine() Console.WriteLine(" ... throwing exception to next level ...") Console.WriteLine("-------------------------------------------------") Console.WriteLine() Throw e End Try End Sub 'Level4Method
try { ClassLevel5 nestedClass = new ClassLevel5(); nestedClass.Level5Method(); } catch (Exception e) { Console.WriteLine(" Level4Method exception handler"); // Build a stack trace from a dummy stack frame. // Explicitly specify the source file name, line number // and column number. StackTrace st = new StackTrace(new StackFrame("source.cs", 79, 24)); Console.WriteLine(" Stack trace with dummy stack frame: {0}", st.ToString()); // Access the StackFrames explicitly to display the file // name, line number and column number properties. // StackTrace.ToString only includes the method name. for(int i =0; i< st.FrameCount; i++ ) { StackFrame sf = st.GetFrame(i); Console.WriteLine(" File: {0}", sf.GetFileName()); Console.WriteLine(" Line Number: {0}", sf.GetFileLineNumber()); Console.WriteLine(" Column Number: {0}", sf.GetFileColumnNumber()); } Console.WriteLine(); Console.WriteLine(" ... throwing exception to next level ..."); Console.WriteLine("-------------------------------------------------\n"); throw e; }
try { ClassLevel5^ nestedClass = gcnew ClassLevel5; nestedClass->Level5Method(); } catch ( Exception^ e ) { Console::WriteLine( " Level4Method exception handler" ); // Build a stack trace from a dummy stack frame. // Explicitly specify the source file name, line number // and column number. StackTrace^ st = gcnew StackTrace( gcnew StackFrame( "source.cs",79,24 ) ); Console::WriteLine( " Stack trace with dummy stack frame: {0}", st->ToString() ); // Access the StackFrames explicitly to display the file // name, line number and column number properties. // StackTrace.ToString only includes the method name. for ( int i = 0; i < st->FrameCount; i++ ) { StackFrame^ sf = st->GetFrame( i ); Console::WriteLine( " File: {0}", sf->GetFileName() ); Console::WriteLine( " Line Number: {0}", sf->GetFileLineNumber().ToString() ); Console::WriteLine( " Column Number: {0}", sf->GetFileColumnNumber().ToString() ); } Console::WriteLine(); Console::WriteLine( " ... throwing exception to next level ..." ); Console::WriteLine( "-------------------------------------------------\n" ); throw e; }
try { ClassLevel5 nestedClass = new ClassLevel5(); nestedClass.Level5Method(); } catch (System.Exception e) { Console.WriteLine(" Level4Method exception handler"); // Build a stack trace from a dummy stack frame. // Explicitly specify the source file name, line number // and column number. StackTrace st = new StackTrace(new StackFrame("source.jsl", 79, 24)); Console.WriteLine(" Stack trace with dummy stack frame: {0}", st.ToString()); // Access the StackFrames explicitly to display the file // name, line number and column number properties. // StackTrace.ToString only includes the method name. for (int i = 0; i < st.get_FrameCount(); i++) { StackFrame sf = st.GetFrame(i); Console.WriteLine(" File: {0}", sf.GetFileName()); Console.WriteLine(" Line Number: {0}", (Int32)sf.GetFileLineNumber()); Console.WriteLine(" Column Number: {0}", (Int32)sf.GetFileColumnNumber()); } Console.WriteLine(); Console.WriteLine(" ... throwing exception to next level..."); Console.WriteLine("---------------------------------------------" + "----\n"); throw e;

Windows 98, Windows 2000 SP4, Windows Millennium Edition, 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。


StackFrame コンストラクタ (Int32, Boolean)
アセンブリ: mscorlib (mscorlib.dll 内)

Dim skipFrames As Integer Dim fNeedFileInfo As Boolean Dim instance As New StackFrame(skipFrames, fNeedFileInfo)
public StackFrame ( int skipFrames, bool fNeedFileInfo )
public: StackFrame ( int skipFrames, bool fNeedFileInfo )
public StackFrame ( int skipFrames, boolean fNeedFileInfo )

StackFrame コンストラクタを使用するコード例を次に示します。
Public Sub Level2Method() Try Dim nestedClass As New ClassLevel3 nestedClass.Level3Method() Catch e As Exception Console.WriteLine(" Level2Method exception handler") ' Display the full call stack at this level. Dim st1 As New StackTrace(True) Console.WriteLine(" Stack trace for this level: {0}", _ st1.ToString()) ' Build a stack trace from one frame, skipping the current ' frame and using the next frame. Dim st2 As New StackTrace(New StackFrame(1, True)) Console.WriteLine(" Stack trace built with next level frame: {0}", _ st2.ToString()) ' Build a stack trace skipping the current frame, and ' including all the other frames. Dim st3 As New StackTrace(1, True) Console.WriteLine(" Stack trace built from the next level up: {0}", _ st3.ToString()) Console.WriteLine() Console.WriteLine(" ... throwing exception to next level ...") Console.WriteLine("-------------------------------------------------") Console.WriteLine() Throw e End Try End Sub 'Level2Method
public void Level2Method() { try { ClassLevel3 nestedClass = new ClassLevel3(); nestedClass.Level3Method(); } catch (Exception e) { Console.WriteLine(" Level2Method exception handler"); // Display the full call stack at this level. StackTrace st1 = new StackTrace(true); Console.WriteLine(" Stack trace for this level: {0}", st1.ToString()); // Build a stack trace from one frame, skipping the current // frame and using the next frame. StackTrace st2 = new StackTrace(new StackFrame(1, true)); Console.WriteLine(" Stack trace built with next level frame: {0}" , st2.ToString()); // Build a stack trace skipping the current frame, and // including all the other frames. StackTrace st3 = new StackTrace(1, true); Console.WriteLine(" Stack trace built from the next level up: {0}" , st3.ToString()); Console.WriteLine(); Console.WriteLine(" ... throwing exception to next level ..."); Console.WriteLine("-------------------------------------------------\n"); throw e; } }
void Level2Method() { try { ClassLevel3^ nestedClass = gcnew ClassLevel3; nestedClass->Level3Method(); } catch ( Exception^ e ) { Console::WriteLine( " Level2Method exception handler" ); // Display the full call stack at this level. StackTrace^ st1 = gcnew StackTrace( true ); Console::WriteLine( " Stack trace for this level: {0}", st1->ToString() ); // Build a stack trace from one frame, skipping the // current frame and using the next frame. StackTrace^ st2 = gcnew StackTrace( gcnew StackFrame( 1,true ) ); Console::WriteLine( " Stack trace built with next level frame: {0}", st2->ToString() ); // Build a stack trace skipping the current frame, and // including all the other frames. StackTrace^ st3 = gcnew StackTrace( 1,true ); Console::WriteLine( " Stack trace built from the next level up: {0}", st3->ToString() ); Console::WriteLine(); Console::WriteLine( " ... throwing exception to next level ..." ); Console::WriteLine( "-------------------------------------------------\n" ); throw e; } }
public void Level2Method() throws System.Exception { try { ClassLevel3 nestedClass = new ClassLevel3(); nestedClass.Level3Method(); } catch (System.Exception e) { Console.WriteLine(" Level2Method exception handler"); // Display the full call stack at this level. StackTrace st1 = new StackTrace(true); Console.WriteLine(" Stack trace for this level: {0}", st1.ToString()); // Build a stack trace from one frame, skipping the current // frame and using the next frame. StackTrace st2 = new StackTrace(new StackFrame(1, true)); Console.WriteLine(" Stack trace built with next level frame: {0}" , st2.ToString()); // Build a stack trace skipping the current frame, and // including all the other frames. StackTrace st3 = new StackTrace(1, true); Console.WriteLine(" Stack trace built from the next level up: {0}" , st3.ToString()); Console.WriteLine(); Console.WriteLine(" ... throwing exception to next level..."); Console.WriteLine("--------------------------------------------" + "-----\n"); throw e; } } //Level2Method

Windows 98, Windows 2000 SP4, Windows Millennium Edition, 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。


StackFrame コンストラクタ

名前 | 説明 |
---|---|
StackFrame () | 新しい StackFrame オブジェクトを初期化します。 |
StackFrame (Boolean) | 新しい StackFrame オブジェクトを初期化し、オプションでソース情報をキャプチャします。 |
StackFrame (Int32) | 現在のスタック フレーム上のフレームに対応する新しい StackFrame オブジェクトを初期化します。 |
StackFrame (Int32, Boolean) | 現在のスタック フレーム上のフレームに対応する新しい StackFrame オブジェクトを初期化し、オプションでソース情報をキャプチャします。 |
StackFrame (String, Int32) | 指定したファイル名と行番号だけを含む新しい StackFrame オブジェクトを初期化します。 |
StackFrame (String, Int32, Int32) | 指定したファイル名、行番号、および列番号だけを含む新しい StackFrame オブジェクトを初期化します。 |

StackFrame コンストラクタ (Int32)
アセンブリ: mscorlib (mscorlib.dll 内)

public StackFrame ( int skipFrames )
public: StackFrame ( int skipFrames )
public StackFrame ( int skipFrames )
public function StackFrame ( skipFrames : int )

StackFrame コンストラクタを使用するコード例を次に示します。
Public Sub InternalMethod() Try Dim nestedClass As New ClassLevel2 nestedClass.Level2Method() Catch e As Exception Console.WriteLine(" InternalMethod exception handler") ' Build a stack trace from one frame, skipping the ' current frame and using the next frame. By default, ' file and line information are not displayed. Dim st As New StackTrace(New StackFrame(1)) Console.WriteLine(" Stack trace for next level frame: {0}", _ st.ToString()) Console.WriteLine(" Stack frame for next level: ") Console.WriteLine(" {0}", st.GetFrame(0).ToString()) Console.WriteLine(" Line Number: {0}", _ st.GetFrame(0).GetFileLineNumber().ToString()) Console.WriteLine() Console.WriteLine(" ... throwing exception to next level ...") Console.WriteLine("-------------------------------------------------") Console.WriteLine() Throw e End Try End Sub 'InternalMethod
public void InternalMethod() { try { ClassLevel2 nestedClass = new ClassLevel2(); nestedClass.Level2Method(); } catch (Exception e) { Console.WriteLine(" InternalMethod exception handler"); // Build a stack trace from one frame, skipping the // current frame and using the next frame. By // default, file and line information are not displayed. StackTrace st = new StackTrace(new StackFrame(1)); Console.WriteLine(" Stack trace for next level frame: {0}", st.ToString()); Console.WriteLine(" Stack frame for next level: "); Console.WriteLine(" {0}", st.GetFrame(0).ToString()); Console.WriteLine(" Line Number: {0}", st.GetFrame(0).GetFileLineNumber().ToString()); Console.WriteLine(); Console.WriteLine(" ... throwing exception to next level ..."); Console.WriteLine("-------------------------------------------------\n"); throw e; } }
void InternalMethod() { try { ClassLevel2^ nestedClass = gcnew ClassLevel2; nestedClass->Level2Method(); } catch ( Exception^ e ) { Console::WriteLine( " InternalMethod exception handler" ); // Build a stack trace from one frame, skipping the // current frame and using the next frame. By // default, file and line information are not displayed. StackTrace^ st = gcnew StackTrace( gcnew StackFrame( 1 ) ); Console::WriteLine( " Stack trace for next level frame: {0}", st->ToString() ); Console::WriteLine( " Stack frame for next level: " ); Console::WriteLine( " {0}", st->GetFrame( 0 )->ToString() ); Console::WriteLine( " Line Number: {0}", st->GetFrame( 0 )->GetFileLineNumber().ToString() ); Console::WriteLine(); Console::WriteLine( " ... throwing exception to next level ..." ); Console::WriteLine( "-------------------------------------------------\n" ); throw e; } }
public void InternalMethod() throws System.Exception { try { ClassLevel2 nestedClass = new ClassLevel2(); nestedClass.Level2Method(); } catch (System.Exception e) { Console.WriteLine(" InternalMethod exception handler"); // Build a stack trace from one frame, skipping the // current frame and using the next frame. By // default, file and line information are not displayed. StackTrace st = new StackTrace(new StackFrame(1)); Console.WriteLine(" Stack trace for next level frame: {0}", st.ToString()); Console.WriteLine(" Stack frame for next level: "); Console.WriteLine(" {0}", st.GetFrame(0).ToString()); Console.WriteLine(" Line Number: {0}", Convert.ToString(st.GetFrame(0).GetFileLineNumber())); Console.WriteLine(); Console.WriteLine(" ... throwing exception to next level..."); Console.WriteLine("-------------------------------------------" + "------\n"); throw e; } } //InternalMethod

Windows 98, Windows 2000 SP4, Windows Millennium Edition, 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。


StackFrame コンストラクタ (Boolean)
アセンブリ: mscorlib (mscorlib.dll 内)

public StackFrame ( bool fNeedFileInfo )
public: StackFrame ( bool fNeedFileInfo )
public StackFrame ( boolean fNeedFileInfo )
public function StackFrame ( fNeedFileInfo : boolean )

StackFrame コンストラクタを使用するコード例を次に示します。
<STAThread()> _ Shared Sub Main() Dim mainClass As New ClassLevel1 Try mainClass.InternalMethod() Catch Console.WriteLine(" Main method exception handler") ' Display file and line information, if available. Dim st As New StackTrace(New StackFrame(True)) Console.WriteLine(" Stack trace for current level: {0}", _ st.ToString()) Console.WriteLine(" File: {0}", _ st.GetFrame(0).GetFileName()) Console.WriteLine(" Line Number: {0}", _ st.GetFrame(0).GetFileLineNumber().ToString()) Console.WriteLine() Console.WriteLine("-------------------------------------------------") Console.WriteLine() End Try End Sub 'Main
[STAThread] static void Main() { ClassLevel1 mainClass = new ClassLevel1(); try { mainClass.InternalMethod(); } catch (Exception) { Console.WriteLine(" Main method exception handler"); // Display file and line information, if available. StackTrace st = new StackTrace(new StackFrame(true)); Console.WriteLine(" Stack trace for current level: {0}", st.ToString()); Console.WriteLine(" File: {0}", st.GetFrame(0).GetFileName()); Console.WriteLine(" Line Number: {0}", st.GetFrame(0).GetFileLineNumber().ToString()); Console.WriteLine(); Console.WriteLine("-------------------------------------------------\n"); } }
[STAThread] static void Main() { ClassLevel1 ^ mainClass = gcnew ClassLevel1; try { mainClass->InternalMethod(); } catch ( Exception^ e ) { Console::WriteLine( " Main method exception handler" ); // Display file and line information, if available. StackTrace^ st = gcnew StackTrace( gcnew StackFrame( true ) ); Console::WriteLine( " Stack trace for current level: {0}", st->ToString() ); Console::WriteLine( " File: {0}", st->GetFrame( 0 )->GetFileName() ); Console::WriteLine( " Line Number: {0}", st->GetFrame( 0 )->GetFileLineNumber().ToString() ); Console::WriteLine(); Console::WriteLine( "-------------------------------------------------\n" ); } }
/** @attribute STAThread() */ public static void main(String[] args) { ClassLevel1 mainClass = new ClassLevel1(); try { mainClass.InternalMethod(); } catch (System.Exception exp) { Console.WriteLine(" main method exception handler"); // Display file and line information, if available. StackTrace st = new StackTrace(new StackFrame(true)); Console.WriteLine(" Stack trace for current level: {0}", st.ToString()); Console.WriteLine(" File: {0}", st.GetFrame(0).GetFileName()); Console.WriteLine(" Line Number: {0}", Convert.ToString(st.GetFrame(0).GetFileLineNumber())); Console.WriteLine(); Console.WriteLine("---------------------------------------------" + "----\n"); } } //main

Windows 98, Windows 2000 SP4, Windows Millennium Edition, 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。


StackFrame コンストラクタ (String, Int32)
アセンブリ: mscorlib (mscorlib.dll 内)

Dim fileName As String Dim lineNumber As Integer Dim instance As New StackFrame(fileName, lineNumber)
public: StackFrame ( String^ fileName, int lineNumber )
public function StackFrame ( fileName : String, lineNumber : int )


StackFrame コンストラクタを使用するコード例を次に示します。
Public Sub Level3Method() Try Dim nestedClass As New ClassLevel4() nestedClass.Level4Method() Catch e As Exception Console.WriteLine(" Level3Method exception handler") ' Build a stack trace from a dummy stack frame. ' Explicitly specify the source file name and line number. Dim st As New StackTrace(New StackFrame("source.cs", 60)) Console.WriteLine(" Stack trace with dummy stack frame: {0}", _ st.ToString()) Dim i As Integer For i = 0 To st.FrameCount - 1 ' Display the stack frame properties. Dim sf As StackFrame = st.GetFrame(i) Console.WriteLine(" File: {0}", sf.GetFileName()) Console.WriteLine(" Line Number: {0}", _ sf.GetFileLineNumber()) ' The column number defaults to zero when not initialized. Console.WriteLine(" Column Number: {0}", _ sf.GetFileColumnNumber()) If sf.GetILOffset <> StackFrame.OFFSET_UNKNOWN Console.WriteLine(" Intermediate Language Offset: {0}", _ sf.GetILOffset()) End If If sf.GetNativeOffset <> StackFrame.OFFSET_UNKNOWN Console.WriteLine(" Native Offset: {0}", _ sf.GetNativeOffset()) End If Next i Console.WriteLine() Console.WriteLine(" ... throwing exception to next level ...") Console.WriteLine("-------------------------------------------------") Console.WriteLine() Throw e End Try End Sub 'Level3Method
public void Level3Method() { try { ClassLevel4 nestedClass = new ClassLevel4(); nestedClass.Level4Method(); } catch (Exception e) { Console.WriteLine(" Level3Method exception handler"); // Build a stack trace from a dummy stack frame. // Explicitly specify the source file name and // line number. StackTrace st = new StackTrace(new StackFrame("source.cs", 60)); Console.WriteLine(" Stack trace with dummy stack frame: {0}", st.ToString()); for(int i =0; i< st.FrameCount; i++ ) { // Display the stack frame properties. StackFrame sf = st.GetFrame(i); Console.WriteLine(" File: {0}", sf.GetFileName()); Console.WriteLine(" Line Number: {0}", sf.GetFileLineNumber()); // Note that the column number defaults to zero // when not initialized. Console.WriteLine(" Column Number: {0}", sf.GetFileColumnNumber()); if (sf.GetILOffset() != StackFrame.OFFSET_UNKNOWN) { Console.WriteLine(" Intermediate Language Offset: {0}", sf.GetILOffset()); } if (sf.GetNativeOffset() != StackFrame.OFFSET_UNKNOWN) { Console.WriteLine(" Native Offset: {0}", sf.GetNativeOffset()); } } Console.WriteLine(); Console.WriteLine(" ... throwing exception to next level ..."); Console.WriteLine("-------------------------------------------------\n"); throw e; } }
void Level3Method() { try { ClassLevel4^ nestedClass = gcnew ClassLevel4; nestedClass->Level4Method(); } catch ( Exception^ e ) { Console::WriteLine( " Level3Method exception handler" ); // Build a stack trace from a dummy stack frame. // Explicitly specify the source file name and line number. StackTrace^ st = gcnew StackTrace( gcnew StackFrame( "source.cs",60 ) ); Console::WriteLine( " Stack trace with dummy stack frame: {0}", st->ToString() ); for ( int i = 0; i < st->FrameCount; i++ ) { // Display the stack frame properties. StackFrame^ sf = st->GetFrame( i ); Console::WriteLine( " File: {0}", sf->GetFileName() ); Console::WriteLine( " Line Number: {0}", sf->GetFileLineNumber().ToString() ); // Note that the column number defaults to zero // when not initialized. Console::WriteLine( " Column Number: {0}", sf->GetFileColumnNumber().ToString() ); Console::WriteLine( " Intermediate Language Offset: {0}", sf->GetILOffset().ToString() ); Console::WriteLine( " Native Offset: {0}", sf->GetNativeOffset().ToString() ); } Console::WriteLine(); Console::WriteLine( " ... throwing exception to next level ..." ); Console::WriteLine( "-------------------------------------------------\n" ); throw e; } }
public void Level3Method() throws System.Exception { try { ClassLevel4 nestedClass = new ClassLevel4(); nestedClass.Level4Method(); } catch (System.Exception e) { Console.WriteLine(" Level3Method exception handler"); // Build a stack trace from a dummy stack frame. // Explicitly specify the source file name and // line number. StackTrace st = new StackTrace(new StackFrame("source.jsl", 60)); Console.WriteLine(" Stack trace with dummy stack frame: {0}", st.ToString()); for (int i = 0; i < st.get_FrameCount(); i++) { // Display the stack frame properties. StackFrame sf = st.GetFrame(i); Console.WriteLine(" File: {0}", sf.GetFileName()); Console.WriteLine(" Line Number: {0}", ( Int32)sf.GetFileLineNumber()); // Note that the column number defaults to zero // when not initialized. Console.WriteLine(" Column Number: {0}", (Int32)sf.GetFileColumnNumber()); if (sf.GetILOffset() != StackFrame.OFFSET_UNKNOWN) { Console.WriteLine(" Intermediate Language Offset: {0}", (Int32)sf.GetILOffset()); } if (sf.GetNativeOffset() != StackFrame.OFFSET_UNKNOWN) { Console.WriteLine(" Native Offset: {0}", (Int32)sf.GetNativeOffset()); } } Console.WriteLine(); Console.WriteLine(" ... throwing exception to next level..."); Console.WriteLine("--------------------------------------------" + "-----\n"); throw e; } } //Level3Method

Windows 98, Windows 2000 SP4, Windows Millennium Edition, 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。


StackFrame コンストラクタ ()
アセンブリ: mscorlib (mscorlib.dll 内)


Windows 98, Windows 2000 SP4, Windows Millennium Edition, 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。


- StackFrame コンストラクタのページへのリンク