StackFrame 建構函式
定義
重要
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初始化 StackFrame 類別的新執行個體。
多載
StackFrame() |
初始化 StackFrame 類別的新執行個體。 |
StackFrame(Int32) |
初始化 StackFrame 類別的新執行個體,而該類別對應於目前堆疊框架上方的框架。 |
StackFrame(Boolean) |
選擇性地擷取來源資訊,以初始化 StackFrame 類別的新執行個體。 |
StackFrame(String, Int32) |
初始化 StackFrame 類別的新執行個體,而該類別只包含指定的檔名和行號。 |
StackFrame(Int32, Boolean) |
選擇性地擷取來源資訊,以初始化 StackFrame 類別的新執行個體,而該類別對應於目前堆疊框架上方的框架。 |
StackFrame(String, Int32, Int32) |
初始化 StackFrame 類別的新執行個體,而該類別只包含指定的檔名、行號和欄號。 |
StackFrame()
StackFrame(Int32)
初始化 StackFrame 類別的新執行個體,而該類別對應於目前堆疊框架上方的框架。
public:
StackFrame(int skipFrames);
public StackFrame (int skipFrames);
new System.Diagnostics.StackFrame : int -> System.Diagnostics.StackFrame
Public Sub New (skipFrames As Integer)
參數
- skipFrames
- Int32
要略過的堆疊上的框架數。
範例
下列範例示範建構函式的使用 StackFrame(Int32) 方式。 此程式代碼範例是提供給 類別之較大範例的 StackFrame 一部分。
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()
{
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;
}
}
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
適用於
StackFrame(Boolean)
選擇性地擷取來源資訊,以初始化 StackFrame 類別的新執行個體。
public:
StackFrame(bool needFileInfo);
public:
StackFrame(bool fNeedFileInfo);
public StackFrame (bool needFileInfo);
public StackFrame (bool fNeedFileInfo);
new System.Diagnostics.StackFrame : bool -> System.Diagnostics.StackFrame
new System.Diagnostics.StackFrame : bool -> System.Diagnostics.StackFrame
Public Sub New (needFileInfo As Boolean)
Public Sub New (fNeedFileInfo As Boolean)
參數
- fNeedFileInfoneedFileInfo
- Boolean
若要擷取堆疊框架的檔名、行號和欄號,則為 true
,否則為 false
。
範例
下列範例示範建構函式的使用 StackFrame(Boolean) 方式。 此程式代碼範例是提供給 類別之較大範例的 StackFrame 一部分。
[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" );
}
}
[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()> _
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
適用於
StackFrame(String, Int32)
初始化 StackFrame 類別的新執行個體,而該類別只包含指定的檔名和行號。
public:
StackFrame(System::String ^ fileName, int lineNumber);
public StackFrame (string? fileName, int lineNumber);
public StackFrame (string fileName, int lineNumber);
new System.Diagnostics.StackFrame : string * int -> System.Diagnostics.StackFrame
Public Sub New (fileName As String, lineNumber As Integer)
參數
- fileName
- String
檔案名稱。
- lineNumber
- Int32
指定檔案中的行號。
範例
下列範例示範建構函式的使用 StackFrame(String, Int32) 方式。 此程式代碼範例是提供給 類別之較大範例的 StackFrame 一部分。
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()
{
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;
}
}
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
備註
當您不想使用調試程式的線條對應邏輯時,請使用這個建構函式。
適用於
StackFrame(Int32, Boolean)
選擇性地擷取來源資訊,以初始化 StackFrame 類別的新執行個體,而該類別對應於目前堆疊框架上方的框架。
public:
StackFrame(int skipFrames, bool needFileInfo);
public:
StackFrame(int skipFrames, bool fNeedFileInfo);
public StackFrame (int skipFrames, bool needFileInfo);
public StackFrame (int skipFrames, bool fNeedFileInfo);
new System.Diagnostics.StackFrame : int * bool -> System.Diagnostics.StackFrame
new System.Diagnostics.StackFrame : int * bool -> System.Diagnostics.StackFrame
Public Sub New (skipFrames As Integer, needFileInfo As Boolean)
Public Sub New (skipFrames As Integer, fNeedFileInfo As Boolean)
參數
- skipFrames
- Int32
要略過的堆疊上的框架數。
- fNeedFileInfoneedFileInfo
- Boolean
若要擷取堆疊框架的檔名、行號和欄號,則為 true
,否則為 false
。
範例
下列範例示範建構函式的使用 StackFrame(Int32, Boolean) 方式。 此程式代碼範例是提供給 類別之較大範例的 StackFrame 一部分。
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()
{
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;
}
}
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
適用於
StackFrame(String, Int32, Int32)
初始化 StackFrame 類別的新執行個體,而該類別只包含指定的檔名、行號和欄號。
public:
StackFrame(System::String ^ fileName, int lineNumber, int colNumber);
public StackFrame (string? fileName, int lineNumber, int colNumber);
public StackFrame (string fileName, int lineNumber, int colNumber);
new System.Diagnostics.StackFrame : string * int * int -> System.Diagnostics.StackFrame
Public Sub New (fileName As String, lineNumber As Integer, colNumber As Integer)
參數
- fileName
- String
檔案名稱。
- lineNumber
- Int32
指定檔案中的行號。
- colNumber
- Int32
指定檔案中的欄位數目。
範例
下列範例示範建構函式的使用 StackFrame 方式。 此程式代碼範例是提供給 類別之較大範例的 StackFrame 一部分。
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 (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
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
備註
當您不想使用調試程式的線條對應邏輯時,請使用這個建構函式。