Sample Msbuild Inline task

InlineTask.msbuild.xml

<?xml version="1.0" encoding="utf-8"?>
<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="4.0">

	<UsingTask TaskName="SomeFibbonaci" TaskFactory="CodeTaskFactory" AssemblyFile="$(MSBuildToolsPath)\Microsoft.Build.Tasks.v4.0.dll">
		<ParameterGroup>
			<FibbonaciSeqLength Required="True" ParameterType="System.Int32"/>
			<Result ParameterType="Microsoft.Build.Framework.ITaskItem[]" Output="True"/>
		</ParameterGroup>
		<Task>
			<Reference Include="Microsoft.Build"/>
			<Reference Include="Microsoft.Build.Framework"/>
			<Reference Include="Microsoft.Build.Utilities.v4.0"/>
			<Using Namespace="Microsoft.Build.Evaluation"/>
			<Using Namespace="Microsoft.Build.Execution"/>
			<Using Namespace="Microsoft.Build.Utilities"/>
			<Using Namespace="Microsoft.Build.Framework"/>
			<Code Type="Fragment" Language="cs">
				<![CDATA[

					var fibboList = new List<ITaskItem>(FibbonaciSeqLength-1);
					
					double prev = -1;
					double result = 1;
					double sum;
					int i;

					for(i = 0;i <= FibbonaciSeqLength-1;++i)
					{
						sum = result + prev;
						prev = result;
						result = sum;

						string itemIdentity = result.ToString();
						var metadata = new Dictionary<string, string>{{"prevNumber",i!=0?prev.ToString():"no ;)"}};
						
						fibboList.Add(new TaskItem(itemIdentity, metadata));
					}
					Result = fibboList.ToArray();
				]]>
			</Code>
		</Task>
	</UsingTask>

</Project>