在C#中,是否有一种方法可以获取调用方法的程序集?(而不是当前方法)
例如,我想要执行堆栈中上面的程序集。
例如,我想要执行堆栈中上面的程序集。
试试这个
Assembly.GetCallingAssembly();
[MethodImplAttribute(MethodImplOptions.NoInlining)]
- MadSkunkreturn Assembly.GetCallingAssembly();
就是一个尾调用,编译器可能会对其进行优化,从而返回意外的结果。尾调用优化不能通过属性来防止,只能避免在返回语句中直接“内联”调用函数。 - MattStackTrace stackTrace = new StackTrace(); // get call stack
var assembly = stackTrace.GetFrame(0).GetMethod().DeclaringType.Assembly;
在 http://www.csharp-examples.net/reflection-callstack/ 的帮助下。
这是我使用的工具:
var stackFrames = new StackTrace().GetFrames();
if(stackFrames==null) return null;
var executingAssembly = Assembly.GetExecutingAssembly();
foreach (var frame in stackFrames)
{
var assembly = frame.GetMethod().DeclaringType.Assembly;
if (assembly != executingAssembly)
{
return assembly;
}
}
return null;
很抱歉,无法可靠地了解是谁在给您打电话。有些人可能会建议使用堆栈跟踪,但由于JIT内联,这是不可靠的。没有可靠的方法/程序集可以获取调用您方法的方法/程序集。
/// <summary>
/// Gets the values from the AssemblyInfo.cs file for the previous assembly
/// </summary>
/// <example>
/// AssemblyInfoCalling assembly = new AssemblyInfoCalling();
/// string company1 = assembly.Company;
/// string product1 = assembly.Product;
/// string copyright1 = assembly.Copyright;
/// string trademark1 = assembly.Trademark;
/// string title1 = assembly.Title;
/// string description1 = assembly.Description;
/// string configuration1 = assembly.Configuration;
/// string fileversion1 = assembly.FileVersion;
/// Version version1 = assembly.Version;
/// string versionFull1 = assembly.VersionFull;
/// string versionMajor1 = assembly.VersionMajor;
/// string versionMinor1 = assembly.VersionMinor;
/// string versionBuild1 = assembly.VersionBuild;
/// string versionRevision1 = assembly.VersionRevision;
/// </example>
public class AssemblyInfoCalling
{
/// <summary>
/// Initializes a new instance of the <see cref="AssemblyInfoCalling"/> class.
/// </summary>
/// <param name="traceLevel">The trace level needed to get correct assembly
/// - will need to adjust based on where you put these classes in your project(s).</param>
public AssemblyInfoCalling(int traceLevel = 4)
{
//----------------------------------------------------------------------
// Default to "3" as the number of levels back in the stack trace to get the
// correct assembly for "calling" assembly
//----------------------------------------------------------------------
StackTraceLevel = traceLevel;
}
//----------------------------------------------------------------------
// Standard assembly attributes
//----------------------------------------------------------------------
public string Company { get { return GetCallingAssemblyAttribute<AssemblyCompanyAttribute>(a => a.Company); } }
public string Product { get { return GetCallingAssemblyAttribute<AssemblyProductAttribute>(a => a.Product); } }
public string Copyright { get { return GetCallingAssemblyAttribute<AssemblyCopyrightAttribute>(a => a.Copyright); } }
public string Trademark { get { return GetCallingAssemblyAttribute<AssemblyTrademarkAttribute>(a => a.Trademark); } }
public string Title { get { return GetCallingAssemblyAttribute<AssemblyTitleAttribute>(a => a.Title); } }
public string Description { get { return GetCallingAssemblyAttribute<AssemblyDescriptionAttribute>(a => a.Description); } }
public string Configuration { get { return GetCallingAssemblyAttribute<AssemblyDescriptionAttribute>(a => a.Description); } }
public string FileVersion { get { return GetCallingAssemblyAttribute<AssemblyFileVersionAttribute>(a => a.Version); } }
//----------------------------------------------------------------------
// Version attributes
//----------------------------------------------------------------------
public static Version Version
{
get
{
//----------------------------------------------------------------------
// Get the assembly, return empty if null
//----------------------------------------------------------------------
Assembly assembly = GetAssembly(StackTraceLevel);
return assembly == null ? new Version() : assembly.GetName().Version;
}
}
public string VersionFull { get { return Version.ToString(); } }
public string VersionMajor { get { return Version.Major.ToString(); } }
public string VersionMinor { get { return Version.Minor.ToString(); } }
public string VersionBuild { get { return Version.Build.ToString(); } }
public string VersionRevision { get { return Version.Revision.ToString(); } }
//----------------------------------------------------------------------
// Set how deep in the stack trace we're looking - allows for customized changes
//----------------------------------------------------------------------
public static int StackTraceLevel { get; set; }
//----------------------------------------------------------------------
// Custom Attributes
//----------------------------------------------------------------------
public string Location
{
get
{
try
{
return GetCallingAssemblyAttribute<AssemblyLocationAttribute>(a => a.Value);
}
catch (NullReferenceException)
{
return string.Empty;
}
}
}
/// <summary>
/// Gets the calling assembly attribute.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="value">The value.</param>
/// <example>return GetCallingAssemblyAttribute<AssemblyCompanyAttribute>(a => a.Company);</example>
/// <returns></returns>
private string GetCallingAssemblyAttribute<T>(Func<T, string> value) where T : Attribute
{
//----------------------------------------------------------------------
// Get the assembly, return empty if null
//----------------------------------------------------------------------
Assembly assembly = GetAssembly(StackTraceLevel);
if (assembly == null) return string.Empty;
//----------------------------------------------------------------------
// Get the attribute value
//----------------------------------------------------------------------
T attribute = (T) Attribute.GetCustomAttribute(assembly, typeof (T));
return value.Invoke(attribute);
}
/// <summary>
/// Go through the stack and gets the assembly
/// </summary>
/// <param name="stackTraceLevel">The stack trace level.</param>
/// <returns></returns>
private static Assembly GetAssembly(int stackTraceLevel)
{
//----------------------------------------------------------------------
// Get the stack frame, returning null if none
//----------------------------------------------------------------------
StackTrace stackTrace = new StackTrace();
StackFrame[] stackFrames = stackTrace.GetFrames();
if (stackFrames == null) return null;
//----------------------------------------------------------------------
// Get the declaring type from the associated stack frame, returning null if nonw
//----------------------------------------------------------------------
var declaringType = stackFrames[stackTraceLevel].GetMethod().DeclaringType;
if (declaringType == null) return null;
//----------------------------------------------------------------------
// Return the assembly
//----------------------------------------------------------------------
var assembly = declaringType.Assembly;
return assembly;
}
}
在寻找类似内容时发现了这个。在我的情况下,是使用 Assembly.GetEntryAssembly()
。
用例
程序 A 运行 CodeDomProvider.CompileAssemblyFromSource
来嵌入资源并编译程序 B。程序 B 中的 DLL 读取资源,但不知道程序集(上述问题得到解决)。