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Runtime Values 137

Configurable Properties and Runtime Values

If Iterate Over 1st Parameter is selected, then the query executes once for each row. This

mechanism is available only for the first parameter in a query with multiple parameters.

It executes for each element from the list that is the value of the first parameter. The

results of each of those query executions are amalgamated into a list, which becomes the

final value of the Query Selection.

If a Query Selection uses Iterate Over 1st Parameter and has an On Null Runtime Value,

the On Null may need to access the current value being iterated over during the Query

Selection evaluation of the list that is set as the first parameter. To make this possible,

the current value from the first parameter is put into the context with the key

currentParameter prior to evaluating the On Null.

Caution Never create a user-defined context key with the name currentParameter.

Queries always return a list of results even if there is just one element in the list, as is the

case with aggregation queries. Therefore, if a Query Selection uses Iterate Over 1st

Parameter and has a list of hosts as the parameter being iterated over, then the result

returned is a list containing one result element for the evaluation of the query for each

host. In most cases, each result element is a one-element list containing the result data

object.

To easily access this sole result element, check Return First Object in List. This selects

the first element out of each list of query results. When Return First Object in List is

used in combination with Iterate Over 1st Parameter, it is applied to each of the query

results. The final result is a list that includes one element per host where each list

element is the data object containing the result data object.

Theme Selection

Themes can be defined so that views can have a different appearance when printed. In

fact, many variations of print themes can be defined. Note that you must choose the

appropriate components. Composite views that use a Fixed layout still print in the sizes

that are strictly specified by those views and do not look substantially different than

they do when viewed online. For more information, see “WCFTHEME” on page 156.

There are special dialogs for color or palette selection that are available for end user use.

If the property on which the theme is being set allows a choice of colors, the dialog

changes as follows:

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Dell Vizioncore Betriebsanweisung Seite 137