<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<UsingTask AssemblyFile="C:\CustomTasks\MyTask.dll"
TaskName="MyTask.MyTouch"/>
<ItemGroup>
<FichierSrcCs Include="*.cs"/>
</ItemGroup>
<Target Name="TouchTheCsFiles" >
<MyTouch Files= "@(CsSrcFiles)"/>
</Target>
</Project>