Omron CX-Supervisor, Руководство пользователя

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Appendix B Frequently Asked Questions
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Sleep can cause problems during shutdown of the runtime, if a sleeping
script is still running.
• How do I use System points in Visual Basic ‘VBScript’?
Access CX-Supervisor points from Visual Basic style scripting called
VBScript couldn't be simpler - just use the point name normally, e.g.
MsgBox(MyPoint).
However note that '$' is a reserved character so System Points can be
accessed with 's_' prefix instead e.g. MsgBox(s_Second) for $Second
system point.
For up to date information and all help on scripting and the Windows
Scripting Host see http:\\www.microsoft.com/scripting.
• What are the syntax differences between VBScript and CX-
Supervisor script?
VBScript has some minor syntax differences to CX-Supervisor script. The
most important are:
• Boolean equality test == is only = in VBScript.
• Boolean inequality test != is <> in VBScript.
• Endif becomes End If in VBScript.
• Array indexing using ( ) uses square brackets in VBScript [ ]
Note that CX-Supervisor interprets { and } characters as string delimiters,
even in VBScript so the following code does not work:
MsgBox("Press {Enter}")'does not work
Instead use the following to replace these characters:
MsgBox("Press " + chr(123) + "Enter" + chr(125))
• Why are ActiveX events shown differently in the Animation Editor
and Property Browser?
New in CX-Supervisor version 1.2 the ActiveX Property Browser has an
Events Tab, which allows the object's events to be linked to scripts. These
scripts are defined as VBScript subroutines defined in the Page
Initialisation script.
It is more efficient to load these subroutines once during page
initialisation, than every time the event occurs as per previous versions
using the Animation Editor. However, this method is still supported to
allow editing of old projects. This difference is by design and is correct.
• Why does CX-Supervisor show different ActiveX properties to Visual
Basic or Excel?
Properties of ActiveX controls shown in the CX-Supervisor "ActiveX
Property Browser" may differ from those seen in the Visual Basic or Excel
property browser. This can be for one or more of the following reasons:
• Both Visual Basic and Excel show their own container properties in
this window, as well as the object properties. CX-Supervisor does
not show its container properties. Examples of VBA container
properties are: