In the script file, a procedure to handle events is defined as follows:

where <EventName> is one of the six event names (e.g. DEFPROCOnLoad)
and <Statements> is zero or more of any of the following:

CLOSE(ScreenName$)
Closes the given screen.

• ScreenName$ is the name of the screen to close. Can be "THIS" to close the
  screen containing the frame which is processing the current event.

DBOXSETVARIABLE(Title$,Prompt$,HelpMessage$,Minimum,Maximum,VariableName)
Displays a dialog box enabling the user to set the value of a variable.

• Title$ is a string which appears as the caption of the dialog box.
  Prompt$ is a string which asks the user to enter an appropriate value (e.g.
  "Enter an angle").
• HelpMessage$ is a string which provides more information (e.g. "Enter a
  negative number to rotate objects clockwise").
• Minimum is a number which is the minimum permitted value for the variable
  to be set and is ignored if the variable to be set is a string.
• Maximum is a number which is the maximum permitted value for the variable
  to be set and is ignored if the variable to be set is a string.
• VariableName is the name of the variable to be set (e.g. Total, or Count%,
  or Name$)

FRAMECHANGEOWNER(FrameName$)
Changes the owner of the given frame.

• When FrameName$ is "THIS" the frame processing the event is removed from
  its screen and becomes 'owned' by the pointer (i.e. moving the pointer drags
  this frame with it).
  When FrameName$ is "POINTER" the frame being dragged is added to the screen
  which contains the frame processing the current event.
• No other values are currently allowed.

FRAMECHANGETYPE(FrameName$,NewType$)
Changes the frame type of the given frame.

• FrameName$ can be either "THIS" to indicate the frame processing the
  current event, or "POINTER" to indicate the frame currently being dragged.

  No other values are currently allowed.

• NewType$ is the file name of a script file (e.g.PATHGLOBALSHARED$+"Moveable.mwb")

FRAMECOPY
A copy of the frame processing the current event is made and attached to
the pointer.

FRAMEDELETE(FrameName$)
Deletes the given frame.

• When FrameName$ is "THIS", the frame processing the current event is
  deleted. In this case, no further processing of this event will be done.
• When FrameName$ is "POINTER" the frame being dragged by the pointer will be
  deleted.
• No other values are currently allowed.

GOHOME
Closes all open My World windows (unless the Home page is in the same book) and opens the 'Home' screen.

• The 'home' screen is either the last screen opened by the File->Open menu command (or
  by double-clicking on a .myw file), or, if further screens have been opened
  by a link, any screen referred to by a call to SETHOME.

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