Hi Ameel,
The Heading Head and Heading Tail define the connection time movements.
If you want the connectors to be in some pointed direction; we can set this at the time of declaration in the place of "ptStart and ptEnd".
The file that demonstrates this functionality is at the location:
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The'>http://www.syncfusion.com/support/user/uploads/Test_VB_c17c27c5.zip">The Sample File
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Happy Coding!
- Ajeet