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AVEVA™ InTouch HMI

OLE_IsObjectValid() Function

  • Last UpdatedFeb 20, 2017
  • 1 minute read

In a script, you can verify that an OLE object is valid by using the OLE_IsObjectValid() function. This is not a required step for working with OLE objects, but it is recommended to make sure that you do not come across problems when working with OLE objects.

Syntax

result = OLE_IsObjectValid(%pointer)

Arguments

%pointer

The pointer referencing an OLE object that is to be tested.

result

A Boolean value indicating the following:

0 - The OLE object the pointer is referencing is invalid.

1 - The OLE object the pointer is referencing is valid.

Example(s)

This script creates an OLE object based on the Wscript.Shell class and creates a pointer %WS to reference it. isvalid is a discrete tag that is TRUE if the OLE object is created successfully. Otherwise it is FALSE.

OLE_CreateObject(%WS, "Wscript.Shell");

isvalid = OLE_IsObjectValid(%WS);

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