IsScreenOpen

Verifies that a project screen is open.

Function	Group	Execution	Windows	Embedded	Thin Client
IsScreenOpen	Module Activity	Asynchronous	Supported	Supported	Not supported

Note: This function cannot be used with Tasks or in the Global Procedures script.

Syntax

IsScreenOpen(strScreen { | ,optNumID } )

strScreen: The name of the project screen to be verified.
optNumID: The specific instance number of the screen. (This number is assigned when the screen is opened with the Open function.)
This is an optional parameter. If no value is specified, then the default ID is 0.

0	Screen is not open.
1	Screen is open.

Tag Name	Expression
Tag	`IsScreenOpen( "main" )` // Is "main" screen open?
Tag	`IsScreenOpen( "main", 10 )` // Is "main" screen with ID 10 open?