Wix create fragment structure for source directory



General command to create fragment structure for source directory as below:
  "heat.exe directory" dir "source directory" -cg ALLCOMP -dr INSTALLFOLDER -gg -g1 -sf -srd -var "var.SDir" -out "export directory"

Notes:
(1) "heat.exe directory" is by client.
(2) "source directory" is by client.
(3) "ALLCOMP" is ComponentGroup ID which is also referenced in Product.wxs <ComponentGroupRef Id="..." />.
(4) "INSTALLFOLDER" is folder ID which is defined in Product.wxs <Directory Id="..." Name="..."/>.
(5) "var.SDir" is variable for source directory defined in Defineds.wxi. 
(6) "export directory" is exported full file name.

Product.wxs:

  <Fragment Id="fmDefineTree">
    <Directory Id="TARGETDIR" Name="SourceDir">
      <Directory Id="ProgramFilesFolder">
        <Directory Id='INSTALLDIR' Name='!(loc.ProductName)'>          
          <Directory Id="..." Name="..."/>
         </Directory>
      </Directory>

  </Fragment>

  <Fragment Id="fmFG">
    <FeatureGroup Id="MMSWixFeatures" >
      <Feature Id="ProductFeature" Title="!(loc.ProductName)" Level="1">
        <ComponentGroupRef Id="..." />
      </Feature>
    </FeatureGroup>
  </Fragment>

Defineds.wxi:

<Include> 
  <!--define variable for source directory-->
  <?define ContentDir="..\..\Content" ?>
</Include>