Modify Flow Dialog

As shown above, this dialog contains source of flow components to select from, current flow, and seven control buttons:

• Add: Add the selected flow component from source to current flow.
• Insert: Insert the selected flow component from source before the selected flow component of current flow.
• Delete: delete the selected flow component in the current flow.
• Help: popup a detail description of the selected flow component from the source.
  
• Ok: save all setup flow(s) and then close the dialog
• Cancel: reset flow to its original value and then close dialog
• Reset: clean up flow(s).