Rexx-Scripts under StWTV can call the following functions:
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Function:   StWTVGetVersion
Since:      Bld 2140
Purpose:    returns the version of StWTV
Parameters: VersionType
Returns:    Requested version information

Parameter
 VersionType=FULL (default)
  return full version info string
 VersionType=VERSION
  return version number string
 VersionType=BUILD
  return build level string

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Function:   StWTVEnumStations
Since:      Bld 2140
Purpose:    Enumerates all defined stations or all stations in a toolbar into a
            Stem variable
Parameters: StemVar
            [Toolbarhandle]
Returns:    number of stations in StemVar

Parameter:  StemVar
             On return, StemVar.0 contains the number of defined stations.
             StemVar.1 contains the handle of the first station, StemVar.2
             contains the handle of the second station and so on
            Toolbarhandle
             if given, all stations for this toolbar are enumerated. if omitted
             all definded stations are enumerated

********************************************************************************
Function:   StWTVGetStation
Since:      Bld 2140,2215
Purpose:    returns some informations about a station
Parameters: type
            [station]
            [StemVar](required only when type=FULL)
Returns:    requested information. If type=FULL the handle is returned
            If there is no station and type is not HANDLE the script will stop
            If type is HANDLE and there is no station, 0 will be returned
            (eg. while initialisation when there is no station defined)

Parameter:
 type=FULL
  returns the handle of the station.
  full station info will be stored in StemVar:
   StemVar.Handle
   StemVar.Name
   StemVar.Signal (only since Bld 2215 !)
   StemVar.Channel
   StemVar.Frequency
   StemVar.Brightness
   StemVar.Contrast
   StemVar.Saturation
   StemVar.Hue
   StemVar.Bitmap
 type=HANDLE
  returns the handle of the station
 type=NAME
  returns the name of the station
 type=SIGNAL (only since Bld 2215 !)
  returns the signal source
 type=CHANNEL
  returns the channel number of the station
 type=FREQUENCY
  returns the frequency of the station
 type=BRIGHTNESS
  returns the brightness of the station
 type=CONTRAST
  returns the contrast of the station
 type=SATURATION
  returns the saturation of the station
 type=HUE
  returns the hue of the station
 type=BITMAP
  returns the name of the bitmap file for the station button

 station=CURRENT (default)
  returns the information for the currently active station
 station=PREVIOUS
  returns the information for the previously active station
 station=<numeric value>
  returns the information for the station with the handle <numeric value>

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Function:   StWTVSetStation
Since:      Bld 2140
Purpose:    sets some settings for a station
Parameters: type
            station
            Var/StemVar (StemVar only when type=FULL)
            [ACTION]
Returns:    Handle of the station.

Parameter:
 type=FULL
  full station info will be retreived from StemVar into requested station
   StemVar.Name
   StemVar.Signal (only since Bld 2215 !)
   StemVar.Channel
   StemVar.Frequency
   StemVar.Brightness
   StemVar.Contrast
   StemVar.Saturation
   StemVar.Hue
   StemVar.Bitmap
 type=NAME
  sets the name of the station
 type=SIGNAL (only since Bld 2215 !)
  sets the signal source for the station
 type=CHANNEL
  sets the channel number of the station
 type=FREQUENCY
  sets the frequency of the station
 type=BRIGHTNESS
  sets the brightness of the station
 type=CONTRAST
  sets the contrast of the station
 type=SATURATION
  sets the saturation of the station
 type=HUE
  sets the hue of the station
 type=BITMAP
  sets the name of the bitmap file for the station button

 station=CURRENT
  sets the information for the currently active station
 station=PREVIOUS
  sets the information for the previously active station
 station=<numeric value>
  sets the information for the station with the handle <numeric value>

 action=SET (default)
  the new values will be set
 action=CREATE
  creates a new station. station will be ignored.
 action=DELETE
  deletes a station

********************************************************************************
Function:   StWTVActivateStation
Since:      Bld 2140
Purpose:    Activates a new station so that it is visible in the TV-Screen
Parameters: Handle

Returns:    Handle

Parameter:
 Handle
  handle of the station

********************************************************************************
Function:   StWTVEnumToolbars
Since:      Bld 2140
Purpose:    Enumerates all defined station toolbars into a Stem variable
Parameters: <StemVar>
Returns:    number of toolbars in StemVar

Parameter:  StemVar
             On return, StemVar.0 contains the number of defined toolbars.
             StemVar.1 contains the handle of the first toolbar, StemVar.2
             contains the handle of the second toolbar and so on

********************************************************************************
Function:   StWTVGetToolbar
Since:      Bld 2140
Purpose:    returns some informations about a toolbar
Parameters: type
            toolbar
            [StemVar](required only when type=FULL)
Returns:    requested information. If type=FULL the handle is returned
            If there is no toolbar and type is not HANDLE the script will stop
            If type is HANDLE and there is no toolbar, 0 will be returned
            (eg. while initialisation when there is no toolbar defined)

Parameter:
 type=FULL
  returns the handle of the toolbar
  full toolbar info will be stored in StemVar:
   StemVar.Handle
   StemVar.Name
   StemVar.Location
   StemVar.Position
   StemVar.NumOfStationsPerLine
   StemVar.NumStations
 type=HANDLE
  returns the handle of the station
 type=NAME
  returns the name of the station
 type=LOCATION
  returns TOP, BOTTOM, LEFT, RIGHT, FLOATING or HIDDEN
 type=POSITION
  returns the position of the toolbar in the form x;y
 type=NUMSTATIONSPERLINE
  returns max. number of stations per line
 type=NUMSTATIONS
  returns the number of stations defined in this toolbar

********************************************************************************
Function:   StWTVSetToolbar
Since:      Bld 2140
Purpose:    sets some settings for a toolbar
Parameters: type
            toolbar
            Var/StemVar (StemVar only when type=FULL)
            [ACTION]
Returns:    Handle of the toolbar

Parameter:
 type=FULL
  full toolbar info will be retreived from StemVar into requested toobar
   StemVar.Name
   StemVar.Location
   StemVar.Position
   StemVar.NumOfStationsPerLine
 type=NAME
  sets the name of the station
 type=LOCATION
  sets the new location
 type=POSITION
  sets the new position (format must be x;y )
 type=NUMSTATIONSPERLINE
  sets max. number of stations per line

 action=SET (default)
  the new values will be set
 action=CREATE
  creates a new toolbar. toolbar will be ignored.
 action=DELETE
  deletes a toolbar

********************************************************************************
Function:   StWTVAddStation
Since:      Bld 2140
Purpose:    adds a station to a toolbar
Parameters: station
            toolbar
Returns:    Handle of the toolbar

Parameter:
 station= station handle to add
          CURRENT = current active station
          PREVIOUS = previous active station

 toolbar= toolbar handle to add to

********************************************************************************
Function:   StWTVRemoveStation
Since:      Bld 2140
Purpose:    removes a station from a toolbar
Parameters: station
            toolbar
Returns:    Handle of the toolbar

Parameter:
 station= station handle to add
          CURRENT = current active station
          PREVIOUS = previous active station

 toolbar= toolbar handle to remove from


********************************************************************************
Function:   StWTVShutDown
Since:      Bld 2186
Purpose:    ends StWTV. A Close request is posted to the StWTV main window. So
            this function call returns, while StWTV is still running. After
            finishing the script, StWTV will shutdown
Parameters: 
Returns:    Nothing
Parameter:

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