How to open SMS editor on self signed application?

If you like to open a SMS Editor with some pre-inserted text from youe Symbian.C++ Application then you can use
CSendUi::CreateAndSendMessageL().
Note: this api requitres DRM capabilty some how. [may be it can be used for sending DMD protected MMS]
But problem is you have can't Self Sign with this application.
The work around is you have to use
RSendAsMessage::LaunchEditorAndCloseL()