poIQueryIterator Valid
Checks for iterator validity.
Syntax
poIQueryIterator_handle Valid
Application
HyperView Tcl Modify
Description
This command checks for iterator validity.
Example
myQueryName GetIteratorHandle myIteratorName
myIteratorName First
while { [myIteratorName Valid] == "true" } {
lappend myList [myIteratorName GetDataList]
myIteratorName Next }
Errors
Returns success ("true"), or an error ("false").