public static void Add(View view, Project project) { var prjPlus = project.Lookup(); if (prjPlus.View != null) { throw new ClrPlusException("Configurations already registered for project"); } prjPlus.View = view; var pkgName = view.GetMacroValue("pkgname"); // add the startup/init tasks var task = project.Xml.AddUsingTask(pkgName + "_Contains", @"$(MSBuildToolsPath)\Microsoft.Build.Tasks.v4.0.dll", null); task.TaskFactory = "CodeTaskFactory"; var pgroup = task.AddParameterGroup(); pgroup.AddParameter("Text", "false", string.Empty, "System.String"); pgroup.AddParameter("Library", "false", "true", "System.String"); pgroup.AddParameter("Value", "false", "true", "System.String"); pgroup.AddParameter("Result", "true", string.Empty, "System.String"); var body = task.AddUsingTaskBody(string.Empty, string.Empty); // thank you. body.XmlElement().Append("Code").InnerText = @"Result = ((Text ?? """").Split(';').Contains(Library) ) ? Value : String.Empty;"; var initTarget = project.AddInitTarget(pkgName + "_init"); var pivots = view.GetChildPropertyNames(); foreach (var pivot in pivots) { dynamic cfg = view.GetProperty(pivot); IEnumerable<string> choices = cfg.choices; if(!((View)cfg).GetChildPropertyNames().Contains("key")) { // add init steps for this. var finalPropName = "{0}-{1}".format(pivot, pkgName); foreach (var choice in choices) { var choicePropName = "{0}-{1}".format(pivot, choice); var tsk = initTarget.AddTask("pkgName_Contains"); tsk.SetParameter("Text", choicePropName); tsk.SetParameter("Library", pkgName); tsk.SetParameter("Value", choice); tsk.Condition = @"'$({0})'==''".format(finalPropName); tsk.AddOutputProperty("Result", finalPropName); } project.Xml.AddPropertyGroup().AddProperty(finalPropName, choices.FirstOrDefault()).Condition = @"'$({0})' == ''".format(finalPropName); } } }