Creating a build using the Tfs API

Here is a snippet of code to create tfs builds using the API with a few sensible default settings.

	using Microsoft.TeamFoundation.Client;
	using Microsoft.TeamFoundation.Build.Client;
	using Microsoft.TeamFoundation.Build.Workflow;
	using Microsoft.TeamFoundation.Build.Workflow.Activities;
	public void CreateBuildDefinition(string solutionFile)
	{
	//todo pull from config
	string dropLocation = @"\\tfsserver\builddrop";
	string teamProject = solutionFile.Substring(2, solutionFile.Replace("$/", "").IndexOf('/'));
	string solutionDirectory = solutionFile.Substring(0, solutionFile.LastIndexOf('/'));
	string buildName = GetBuildNameForSolution(solutionFile); //Insert algorithm here to convert solution name (and folder) to a build name
	//First we create a IBuildDefinition object for the team project and set a name and description for it:
	var buildDefinition = _buildServer.CreateBuildDefinition(teamProject);
	buildDefinition.Name = buildName;
	buildDefinition.Description = "Auto Genned Build for " + solutionFile;
	//Trigger - Next up, we set the trigger type. For this one, we set it to individual which corresponds to the Continuous Integration - Build each check-in trigger option
	buildDefinition.ContinuousIntegrationType = ContinuousIntegrationType.Individual;
	//Workspace - For the workspace mappings, we create two mappings here, where one is a cloak. Note the user of $(SourceDir) variable, which is expanded by Team Build into the sources directory when running the build.
	buildDefinition.Workspace.AddMapping(solutionDirectory, "$(SourceDir)", WorkspaceMappingType.Map);
	//Build Defaults - In the build defaults, we set the build controller and the drop location. To get a build controller, we can (for example) use the GetBuildController method to get an existing build controller by name:
	buildDefinition.BuildController = _buildServer.QueryBuildControllers().First();
	buildDefinition.DefaultDropLocation = dropLocation;
	//Get default template
	var defaultTemplate = _buildServer.QueryProcessTemplates(teamProject.Replace("/", "").Replace("$", "")).Where(p => p.TemplateType == ProcessTemplateType.Default).First();
	buildDefinition.Process = defaultTemplate;
	//Set process parameters
	var process = WorkflowHelpers.DeserializeProcessParameters(buildDefinition.ProcessParameters);
	//Set BuildSettings properties
	BuildSettings settings = new BuildSettings();
	settings.ProjectsToBuild = new StringList(solutionFile);
	settings.PlatformConfigurations = new PlatformConfigurationList();
	settings.PlatformConfigurations.Add(new PlatformConfiguration("Any CPU", "Release"));
	process.Add(ProcessParameterMetadata.StandardParameterNames.BuildSettings, settings);
	process[ProcessParameterMetadata.StandardParameterNames.CreateWorkItem] = false;
	process[ProcessParameterMetadata.StandardParameterNames.AssociateChangesetsAndWorkItems] = true;
	process[ProcessParameterMetadata.StandardParameterNames.BuildNumberFormat] = "$(BuildDefinitionName)_$(Date:yyyyMMdd)$(Rev:.r)";
	TestAssemblySpec testSpec = new TestAssemblySpec();
	testSpec.AssemblyFileSpec = "**\\*test*.dll";
	process.Add(ProcessParameterMetadata.StandardParameterNames.TestSpecs, new TestSpecList(testSpec));
	buildDefinition.ProcessParameters = WorkflowHelpers.SerializeProcessParameters(process);
	//The other build process parameters of a build definition can be set using the same approach
	//Retention Policy - This one is easy, we just clear the default settings and set our own:
	buildDefinition.RetentionPolicyList.Clear();
	buildDefinition.AddRetentionPolicy(BuildReason.Triggered, BuildStatus.Succeeded, 10, DeleteOptions.All);
	buildDefinition.AddRetentionPolicy(BuildReason.Triggered, BuildStatus.Failed, 10, DeleteOptions.All);
	buildDefinition.AddRetentionPolicy(BuildReason.Triggered, BuildStatus.Stopped, 1, DeleteOptions.All);
	buildDefinition.AddRetentionPolicy(BuildReason.Triggered, BuildStatus.PartiallySucceeded, 10, DeleteOptions.All);
	//Save It!
	buildDefinition.Save();
	_buildServer.QueueBuild(buildDefinition);
	}

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