How do I programmatically list all of the projects in a solution?

in solution, there many projects. windows service projects , console projects. want create new project list windows service name in solution.

thanks.

because have difficulty use dte, use code stackoverflow.

public class solution     {         //internal class solutionparser         //name: microsoft.build.construction.solutionparser         //assembly: microsoft.build, version=4.0.0.0          static readonly type s_solutionparser;         static readonly propertyinfo s_solutionparser_solutionreader;         static readonly methodinfo s_solutionparser_parsesolution;         static readonly propertyinfo s_solutionparser_projects;          static solution()         {             s_solutionparser = type.gettype("microsoft.build.construction.solutionparser, microsoft.build, version=4.0.0.0, culture=neutral, publickeytoken=b03f5f7f11d50a3a", false, false);             if (s_solutionparser != null)             {                 s_solutionparser_solutionreader = s_solutionparser.getproperty("solutionreader", bindingflags.nonpublic | bindingflags.instance);                 s_solutionparser_projects = s_solutionparser.getproperty("projects", bindingflags.nonpublic | bindingflags.instance);                 s_solutionparser_parsesolution = s_solutionparser.getmethod("parsesolution", bindingflags.nonpublic | bindingflags.instance);             }         }         public list<solutionproject> projects { get; private set; }         public solution(string solutionfilename)         {             if (s_solutionparser == null)             {                 throw new invalidoperationexception("can not find type 'microsoft.build.construction.solutionparser' missing assembly reference 'microsoft.build.dll'?");             }             var solutionparser = s_solutionparser.getconstructors(bindingflags.instance | bindingflags.nonpublic).first().invoke(null);             using (var streamreader = new streamreader(solutionfilename))             {                 s_solutionparser_solutionreader.setvalue(solutionparser, streamreader, null);                 s_solutionparser_parsesolution.invoke(solutionparser, null);             }             var projects = new list<solutionproject>();             var array = (array)s_solutionparser_projects.getvalue(solutionparser, null);             (int = 0; < array.length; i++)             {                 projects.add(new solutionproject(array.getvalue(i)));             }             this.projects = projects;         }     }     [debuggerdisplay("{projectname}, {relativepath}, {projectguid}")]     public class solutionproject     {         static readonly type s_projectinsolution;         static readonly propertyinfo s_projectinsolution_projectname;         static readonly propertyinfo s_projectinsolution_relativepath;         static readonly propertyinfo s_projectinsolution_projectguid;          static solutionproject()         {             s_projectinsolution = type.gettype("microsoft.build.construction.projectinsolution, microsoft.build, version=4.0.0.0, culture=neutral, publickeytoken=b03f5f7f11d50a3a", false, false);             if (s_projectinsolution != null)             {                 s_projectinsolution_projectname = s_projectinsolution.getproperty("projectname", bindingflags.nonpublic | bindingflags.instance);                 s_projectinsolution_relativepath = s_projectinsolution.getproperty("relativepath", bindingflags.nonpublic | bindingflags.instance);                 s_projectinsolution_projectguid = s_projectinsolution.getproperty("projectguid", bindingflags.nonpublic | bindingflags.instance);             }         }          public string projectname { get; private set; }         public string relativepath { get; private set; }         public string projectguid { get; private set; }          public solutionproject(object solutionproject)         {             this.projectname = s_projectinsolution_projectname.getvalue(solutionproject, null) string;             this.relativepath = s_projectinsolution_relativepath.getvalue(solutionproject, null) string;             this.projectguid = s_projectinsolution_projectguid.getvalue(solutionproject, null) string;         }     }

then call

solution s = new solution("mysolution.sln");

how can solution path because current directory not in solution folder?

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