MonoDevelop.Projects.DotNetProject.CheckNeedsBuild C# (CSharp) Method

		protected override bool CheckNeedsBuild (ConfigurationSelector configuration)
		{
			if (base.CheckNeedsBuild (configuration))
				return true;
			
			// base.CheckNeedsBuild() checks Project references, but not Assembly, Package, or Custom.
			DateTime mtime = GetLastBuildTime (configuration);
			foreach (ProjectReference pref in References) {
				switch (pref.ReferenceType) {
				case ReferenceType.Assembly:
					foreach (var file in GetAssemblyRefsRec (pref.Reference, new HashSet<string> ())) {
						try {
							if (File.GetLastWriteTime (file) > mtime)
								return true;
						} catch (IOException) {
							// Ignore.
						}
					}
					break;
				case ReferenceType.Package:
					if (pref.Package == null) {
						break;
					}
					foreach (var assembly in pref.Package.Assemblies) {
						try {
							if (File.GetLastWriteTime (assembly.Location) > mtime)
								return true;
						} catch (IOException) {
							// Ignore.
						}
					}
					break;
				}
			}

			var config = (DotNetProjectConfiguration) GetConfiguration (configuration);
			return Files.Any (file => file.BuildAction == BuildAction.EmbeddedResource
					&& String.Compare (Path.GetExtension (file.FilePath), ".resx", StringComparison.OrdinalIgnoreCase) == 0
					&& MD1DotNetProjectHandler.IsResgenRequired (file.FilePath, config.IntermediateOutputDirectory.Combine (file.ResourceId)));
		}