StackTrace 类
定义
重要
一些信息与预发行产品相关,相应产品在发行之前可能会进行重大修改。 对于此处提供的信息,Microsoft 不作任何明示或暗示的担保。
表示堆栈跟踪,它是一个或多个堆栈帧的有序集合。
public ref class StackTrace sealed
public ref class StackTrace
public sealed class StackTrace
public class StackTrace
[System.Serializable]
public class StackTrace
[System.Serializable]
[System.Runtime.InteropServices.ComVisible(true)]
public class StackTrace
type StackTrace = class
[<System.Serializable>]
type StackTrace = class
[<System.Serializable>]
[<System.Runtime.InteropServices.ComVisible(true)>]
type StackTrace = class
Public NotInheritable Class StackTrace
Public Class StackTrace
- 继承
-
StackTrace
- 属性
示例
以下控制台应用程序演示如何创建简单的 StackTrace 并循环访问其帧以获取调试和诊断信息。
#using <System.dll>
using namespace System;
using namespace System::Diagnostics;
ref class StackTraceSample
{
private:
ref class MyInternalClass
{
public:
void ThrowsException()
{
try
{
throw gcnew Exception( "A problem was encountered." );
}
catch ( Exception^ e )
{
// Create a StackTrace that captures
// filename, line number, and column
// information for the current thread.
StackTrace^ st = gcnew StackTrace( true );
String^ stackIndent = "";
for ( int i = 0; i < st->FrameCount; i++ )
{
// Note that at this level, there are five
// stack frames, one for each method invocation.
StackFrame^ sf = st->GetFrame( i );
Console::WriteLine();
Console::WriteLine( "{0}Method: {1}", stackIndent, sf->GetMethod() );
Console::WriteLine( "{0}File: {1}", stackIndent, sf->GetFileName() );
Console::WriteLine( "{0}Line Number: {1}", stackIndent, sf->GetFileLineNumber().ToString() );
stackIndent = String::Concat( stackIndent, " " );
}
throw e;
}
}
};
protected:
void MyProtectedMethod()
{
MyInternalClass^ mic = gcnew MyInternalClass;
mic->ThrowsException();
}
public:
void MyPublicMethod()
{
MyProtectedMethod();
}
};
int main()
{
StackTraceSample^ sample = gcnew StackTraceSample;
try
{
sample->MyPublicMethod();
}
catch ( Exception^ )
{
// Create a StackTrace that captures
// filename, line number, and column
// information for the current thread.
StackTrace^ st = gcnew StackTrace( true );
for ( int i = 0; i < st->FrameCount; i++ )
{
// For an executable built from C++, there
// are two stack frames here: one for main,
// and one for the _mainCRTStartup stub.
StackFrame^ sf = st->GetFrame( i );
Console::WriteLine();
Console::WriteLine( "High up the call stack, Method: {0}", sf->GetMethod()->ToString() );
Console::WriteLine( "High up the call stack, Line Number: {0}", sf->GetFileLineNumber().ToString() );
}
}
}
/*
This console application produces the following output when
compiled with the Debug configuration.
Method: Void ThrowsException()
File: c:\samples\stacktraceframe\myclass.cpp
Line Number: 20
Method: Void MyProtectedMethod()
File: c:\samples\stacktraceframe\myclass.cpp
Line Number: 45
Method: Void MyPublicMethod()
File: c:\samples\stacktraceframe\myclass.cpp
Line Number: 50
Method: Int32 main()
File: c:\samples\stacktraceframe\myclass.cpp
Line Number: 56
Method: UInt32 _mainCRTStartup()
File:
Line Number: 0
High up the call stack, Method: Int32 main()
High up the call stack, Line Number: 62
High up the call stack, Method: UInt32 _mainCRTStartup()
High up the call stack, Line Number: 0
This console application produces the following output when
compiled with the Release configuration.
Method: Void ThrowsException()
File:
Line Number: 0
Method: Int32 main()
File:
Line Number: 0
Method: UInt32 _mainCRTStartup()
File:
Line Number: 0
High up the call stack, Method: Int32 main()
High up the call stack, Line Number: 0
High up the call stack, Method: UInt32 _mainCRTStartup()
High up the call stack, Line Number: 0
*/
using System;
using System.Diagnostics;
class StackTraceSample
{
[STAThread]
static void Main(string[] args)
{
StackTraceSample sample = new StackTraceSample();
try
{
sample.MyPublicMethod();
}
catch (Exception)
{
// Create a StackTrace that captures
// filename, line number, and column
// information for the current thread.
StackTrace st = new StackTrace(true);
for(int i =0; i< st.FrameCount; i++ )
{
// Note that high up the call stack, there is only
// one stack frame.
StackFrame sf = st.GetFrame(i);
Console.WriteLine();
Console.WriteLine("High up the call stack, Method: {0}",
sf.GetMethod());
Console.WriteLine("High up the call stack, Line Number: {0}",
sf.GetFileLineNumber());
}
}
}
public void MyPublicMethod ()
{
MyProtectedMethod();
}
protected void MyProtectedMethod ()
{
MyInternalClass mic = new MyInternalClass();
mic.ThrowsException();
}
class MyInternalClass
{
public void ThrowsException()
{
try
{
throw new Exception("A problem was encountered.");
}
catch (Exception e)
{
// Create a StackTrace that captures filename,
// line number and column information.
StackTrace st = new StackTrace(true);
string stackIndent = "";
for(int i =0; i< st.FrameCount; i++ )
{
// Note that at this level, there are four
// stack frames, one for each method invocation.
StackFrame sf = st.GetFrame(i);
Console.WriteLine();
Console.WriteLine(stackIndent + " Method: {0}",
sf.GetMethod() );
Console.WriteLine( stackIndent + " File: {0}",
sf.GetFileName());
Console.WriteLine( stackIndent + " Line Number: {0}",
sf.GetFileLineNumber());
stackIndent += " ";
}
throw e;
}
}
}
}
/*
This console application produces the following output when
compiled with the Debug configuration.
Method: Void ThrowsException()
File: c:\samples\stacktraceframe\myclass.cs
Line Number: 59
Method: Void MyProtectedMethod()
File: c:\samples\stacktraceframe\myclass.cs
Line Number: 45
Method: Void MyPublicMethod()
File: c:\samples\stacktraceframe\myclass.cs
Line Number: 39
Method: Void Main(System.String[])
File: c:\samples\stacktraceframe\myclass.cs
Line Number: 13
High up the call stack, Method: Void Main(System.String[])
High up the call stack, Line Number: 20
This console application produces the following output when
compiled with the Release configuration.
Method: Void ThrowsException()
File:
Line Number: 0
Method: Void Main(System.String[])
File:
Line Number: 0
High up the call stack, Method: Void Main(System.String[])
High up the call stack, Line Number: 0
*/
Imports System.Diagnostics
Class StackTraceSample
<STAThread()> _
Public Shared Sub Main()
Dim sample As New StackTraceSample()
Try
sample.MyPublicMethod()
Catch
' Create a StackTrace that captures
' filename, line number, and column
' information for the current thread.
Dim st As New StackTrace(True)
Dim i As Integer
For i = 0 To st.FrameCount - 1
' Note that high up the call stack, there is only
' one stack frame.
Dim sf As StackFrame = st.GetFrame(i)
Console.WriteLine()
Console.WriteLine("High up the call stack, Method: {0}", _
sf.GetMethod())
Console.WriteLine("High up the call stack, Line Number: {0}", _
sf.GetFileLineNumber())
Next i
End Try
End Sub
Public Sub MyPublicMethod()
MyProtectedMethod()
End Sub
Protected Sub MyProtectedMethod()
Dim mic As New MyInternalClass()
mic.ThrowsException()
End Sub
Class MyInternalClass
Public Sub ThrowsException()
Try
Throw New Exception("A problem was encountered.")
Catch e As Exception
' Create a StackTrace that captures filename,
' line number and column information.
Dim st As New StackTrace(True)
Dim stackIndent As String = ""
Dim i As Integer
For i = 0 To st.FrameCount - 1
' Note that at this level, there are four
' stack frames, one for each method invocation.
Dim sf As StackFrame = st.GetFrame(i)
Console.WriteLine()
Console.WriteLine(stackIndent + " Method: {0}", _
sf.GetMethod())
Console.WriteLine(stackIndent + " File: {0}", _
sf.GetFileName())
Console.WriteLine(stackIndent + " Line Number: {0}", _
sf.GetFileLineNumber())
stackIndent += " "
Next i
Throw e
End Try
End Sub
End Class
End Class
' This console application produces the following output when
' compiled with the Debug configuration.
'
' Method: Void ThrowsException()
' File: c:\pp\samples\stacktraceframe\myclass.vb
' Line Number: 55
'
' Method: Void MyProtectedMethod()
' File: c:\pp\samples\stacktraceframe\myclass.vb
' Line Number: 42
'
' Method: Void MyPublicMethod()
' File: c:\pp\samples\stacktraceframe\myclass.vb
' Line Number: 37
'
' Method: Void Main(System.String[])
' File: c:\pp\samples\stacktraceframe\myclass.vb
' Line Number: 13
'
' High up the call stack, Method: Void Main(System.String[])
' High up the call stack, Line Number: 18
'
'
' This console application produces the following output when
' compiled with the Release configuration.
'
' Method: Void ThrowsException()
' File:
' Line Number: 0
'
' Method: Void Main(System.String[])
' File:
' Line Number: 0
'
' High up the call stack, Method: Void Main()
' High up the call stack, Line Number: 0
'
注解
StackTrace 信息对调试生成配置最有用。 默认情况下,调试版本包括调试符号,而发布版本则不包含。 调试符号包含构造 StackFrame 和 StackTrace 对象时使用的大多数文件、方法名称、行号和列信息。
由于优化期间发生的代码转换,StackTrace 可能无法报告尽可能多的方法调用。
构造函数
StackTrace() |
从调用方框架初始化 StackTrace 类的新实例。 |
StackTrace(Boolean) |
从调用方帧初始化 StackTrace 类的新实例,可以选择捕获源信息。 |
StackTrace(Exception, Boolean) |
使用提供的异常对象和选择性地捕获源信息初始化 StackTrace 类的新实例。 |
StackTrace(Exception, Int32, Boolean) |
使用提供的异常对象初始化 StackTrace 类的新实例,跳过指定的帧数并选择性地捕获源信息。 |
StackTrace(Exception, Int32) |
使用提供的异常对象和跳过指定的帧数初始化 StackTrace 类的新实例。 |
StackTrace(Exception) |
使用提供的异常对象初始化 StackTrace 类的新实例。 |
StackTrace(IEnumerable<StackFrame>) |
从一组 StackFrame 对象构造堆栈跟踪。 |
StackTrace(Int32, Boolean) |
从调用方帧初始化 StackTrace 类的新实例,跳过指定的帧数并选择性地捕获源信息。 |
StackTrace(Int32) |
从调用方帧初始化 StackTrace 类的新实例,跳过指定的帧数。 |
StackTrace(StackFrame) |
初始化包含单个帧的 StackTrace 类的新实例。 |
StackTrace(Thread, Boolean) |
已过时.
为特定线程初始化 StackTrace 类的新实例,可以选择捕获源信息。 请勿使用此构造函数重载。 |
字段
METHODS_TO_SKIP |
定义从堆栈跟踪中省略的方法数的默认值。 此字段为常量。 |
属性
FrameCount |
获取堆栈跟踪中的帧数。 |
方法
Equals(Object) |
确定指定的对象是否等于当前对象。 (继承自 Object) |
GetFrame(Int32) |
获取指定的堆栈帧。 |
GetFrames() |
返回当前堆栈跟踪中所有堆栈帧的副本。 |
GetHashCode() |
用作默认哈希函数。 (继承自 Object) |
GetType() |
获取当前实例的 Type。 (继承自 Object) |
MemberwiseClone() |
创建当前 Object的浅表副本。 (继承自 Object) |
ToString() |
生成堆栈跟踪的可读表示形式。 |