!macro customInstall
  WriteRegStr SHELL_CONTEXT "Software\Classes\shengxintui" "" "URL:Shengxintui Protocol"
  WriteRegStr SHELL_CONTEXT "Software\Classes\shengxintui" "URL Protocol" ""
  WriteRegStr SHELL_CONTEXT "Software\Classes\shengxintui\DefaultIcon" "" "$appExe,0"
  WriteRegStr SHELL_CONTEXT "Software\Classes\shengxintui\shell" "" "open"
  WriteRegStr SHELL_CONTEXT "Software\Classes\shengxintui\shell\open" "" "Open"
  WriteRegStr SHELL_CONTEXT "Software\Classes\shengxintui\shell\open\command" "" `"$appExe" "%1"`
!macroend

!macro customUnInstall
  DeleteRegKey SHELL_CONTEXT "Software\Classes\shengxintui"
!macroend