StackOverflow2013

Note that there are some explanatory texts on larger screens.

plurals

PO
text
Body
copied!<p>Building on the <a href="https://stackoverflow.com/questions/2022301/c-create-an-instance-of-an-object-from-string/2022343#2022343">answers</a> from <a href="https://stackoverflow.com/questions/2022301/c-create-an-instance-of-an-object-from-string/2022356#2022356">above</a>, here is a working demo to generate, compile and instantiate a class from an in-memory assembly:</p> <pre><code>namespace DynamicCompilation { using System; using System.CodeDom; using System.CodeDom.Compiler; using System.Reflection; using Microsoft.CSharp; internal static class Program { private static void Main() { var ccu = new CodeCompileUnit(); var cns = new CodeNamespace("Aesop.Demo"); cns.Imports.Add(new CodeNamespaceImport("System")); var ctd = new CodeTypeDeclaration("Test") { TypeAttributes = TypeAttributes.Public }; var ctre = new CodeTypeReferenceExpression("Console"); var cmie = new CodeMethodInvokeExpression(ctre, "WriteLine", new CodePrimitiveExpression("Hello World!")); var cmm = new CodeMemberMethod { Name = "Hello", Attributes = MemberAttributes.Public }; cmm.Statements.Add(cmie); ctd.Members.Add(cmm); cns.Types.Add(ctd); ccu.Namespaces.Add(cns); var provider = new CSharpCodeProvider(); var parameters = new CompilerParameters { CompilerOptions = "/target:library /optimize", GenerateExecutable = false, GenerateInMemory = true }; ////parameters.ReferencedAssemblies.Add("System.dll"); var results = provider.CompileAssemblyFromDom(parameters, ccu); if (results.Errors.Count == 0) { var t = results.CompiledAssembly.GetType("Aesop.Demo.Test"); var inst = results.CompiledAssembly.CreateInstance("Aesop.Demo.Test"); t.InvokeMember("Hello", BindingFlags.Public | BindingFlags.Instance | BindingFlags.InvokeMethod, null, inst, null); } Console.ReadLine(); } } } </code></pre>

Querying!

Guidance

An individual column

Larger individual text columns get their own page to allow for proper reading.

SQuiL has stopped working due to an internal error.

If you are curious you may find further information in the browser console, which is accessible through the devtools (F12).

Reload