MSBuild Inline Task

MSBuild Inline Task.proj.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- Sample Demonstrates Inline Tasks  © 2010 Sayed Ibrahim Hashimi -->
<Project ToolsVersion="4.0" 
         DefaultTargets="Demo" 
         xmlns="http://schemas.microsoft.com/developer/msbuild/2003">

  <UsingTask
    TaskName="CreateGuid02"
    TaskFactory="CodeTaskFactory"
    AssemblyFile="$(MSBuildToolsPath)\Microsoft.Build.Tasks.v4.0.dll" >

    <ParameterGroup>
      <NumToCreate ParameterType="System.Int32"    Required="true" />
      <Guids       ParameterType="System.String[]" Output="true" />
    </ParameterGroup>

    <Task>
      <Code Type="Fragment" Language="cs">
        <![CDATA[
            List<string> guids = new List<string>();
            for (int i = 0; i < NumToCreate; i++) {
                guids.Add(Guid.NewGuid().ToString());
            }
            Guids = guids.ToArray();
        ]]>
      </Code>
    </Task>
  </UsingTask>

  <Target Name="Demo">

    <CreateGuid02 NumToCreate="1">
      <Output ItemName="Id01" TaskParameter="Guids" />
    </CreateGuid02>
    <Message Text="Id01: @(Id01)" Importance="high" />

    <CreateGuid02 NumToCreate="4">
      <Output ItemName="Id02" TaskParameter="Guids" />
    </CreateGuid02>
    <Message Text=" " Importance="high" />
    <Message Text="Id02: @(Id02)" Importance="high" />

  </Target>

</Project>