/// <summary>
/// Gets the output from executing the specified dynamic code.
/// </summary>
/// <param name="code">A string containing the code to execute.</param>
/// <param name="result">An object that will be set to the value of the code output.</param>
/// <param name="warningText">A string that will be set to any warning associated with the attempt.</param>
/// <returns>A bool indicating success.</returns>
public static bool TryGetDynamicCodeOutput(string code, out object result, out string warningText)
{
bool ReturnValue = false;
// Defaults
result = null;
warningText = null;
try
{
string ClassName;
string Code;
CSharpCodeProvider CodeProvider;
CompilerParameters Parameters;
CompilerResults Results;
string SourceCode;
Type TargetType;
string UniqueID;
// Build parameters
UniqueID = Guid.NewGuid().ToString().Replace("-", "");
ClassName = $"DynamicClass{UniqueID}";
Code = $"return {code};";
SourceCode = @"public class " + ClassName + " { public static object GetValue() { " + Code + "; } }";
// Compile the code
Parameters = new CompilerParameters {
GenerateExecutable = false, GenerateInMemory = true
};
CodeProvider = new CSharpCodeProvider();
Results = CodeProvider.CompileAssemblyFromSource(Parameters, SourceCode);
// Get the type and output
TargetType = Results.CompiledAssembly.GetType(ClassName);
result = TargetType.InvokeMember("GetValue", BindingFlags.Static | BindingFlags.Public | BindingFlags.InvokeMethod, null, null, null);
ReturnValue = true;
}
catch (Exception ex)
{
warningText = ex.Message;
}
return(ReturnValue);
}