!macro customInstall
  ; Register esdp protocol
  WriteRegStr HKCR "esdp" "" "URL:EMS Data Pump Protocol"
  WriteRegStr HKCR "esdp" "URL Protocol" ""
  WriteRegStr HKCR "esdp\\shell" "" ""
  WriteRegStr HKCR "esdp\\shell\\open" "" ""
  WriteRegStr HKCR "esdp\\shell\\open\\command" "" '"$INSTDIR\EMSDP.exe" "%1"'
!macroend

!macro customUnInstall
  ; Remove esdp protocol
  DeleteRegKey HKCR "esdp"
!macroend