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• Deferred Rendering: The rendering of the pane is deferred till the pane is made visible by the user. The panes that are visible at initial load-time are rendered when:
• Deferred Initialization: The deferred initialization feature can only be used for panes that are marked to use deferred rendering. The children of the pane marked to use deferred initialization are not initialized until the pane needs to be rendered. This means that the pane object itself is always instantiated and available, but any nested children are not initialized.
Panes support the deferred rendering and deferred initialization functionality. You can configure these features on the Properties view of a pane. Both the options are available on the Properties tab.
• Defer Rendering: Check box used to mark a pane to use deferred rendering. If selected, the user interface for the pane is not rendered until the pane is made visible. This property can be set only at design-time and it cannot be updated using bindings or using the API.
• Defer Initialization: Check box used to mark a pane to use deferred initialization. This check box is enabled only if the Defer Rendering check box is selected. If selected, the children of the pane are not initialized until the pane needs to be rendered.
• If the Defer Initialization check box is cleared, then bindings, script references, and computation action references to the pane and its children are not affected.
• If the Defer Initialization check box is selected, then any references to child or nested controls using scripts or computation actions are flagged with an error-level problem marker. You can make use of events tied to the pane and its children in rule definitions. Binding to panes are always active and working but the bindings to child and nested controls are inactive until the pane and child controls have been fully initialized.
• If the Defer Rendering check box is selected, and the Defer Initialization check box is cleared, bindings to panes and controls are active even if the pane is not currently rendered. The internal model of the pane or child controls can be updated using scripts, bindings, or computation actions. The effects of such updates are visible after the pane is rendered.
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Copyright © TIBCO Software Inc. All Rights Reserved |