How to create new Csharp Solution, Project programmatically ( EnvDTE ) ??

Hi,

          I am looking for the code that will create a new Solution and Add a C# project in the Solution. I know we can use the below code with the Add-ins project ..

But just want to know is this possible from the Console Application because I have tried a lot ..but getting an exception to create a new Solution ..

using EnvDTE;

or

Solution2 soln = (Solution2)dte.Solution;

csTemplatePath = soln.GetProjectTemplate("MyMainTemplate.zip", "CSharp");

soln.AddFromTemplate(csTemplatePath, csPrjPath, txtProjectName.Text.Trim(), false);

Help will be appreciated ...