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The following section describes the possible actions and events for the widget.
Name  | 
Description  | 
Arguments  | 
GoToPage  | 
Navigates to the specified page in the PDF document.  | 
•value: UInteger "value" is the number of the page to be displayed.  | 
SetSrc  | 
Sets the path to the PDF document. Text keys from the text system (e.g. "$IAT/TextID") or texts put together as a string using operands (e.g. "=myStringOperand") can be used.  | 
•value: String Relative path to the PDF document to be displayed, e.g. "Media/Manual.pdf".  | 
SetVisible  | 
Controls the visibility of the widget.  | 
•value: Boolean Visible if the value is true. Otherwise, invisible.  | 
SetEnable  | 
Controls the usability of the widget.  | 
•value: Boolean Enabled if the value is true. Otherwise, disabled.  | 
SetStyle  | 
Sets a predefined style for the widget.  | 
•value: StyleReference  | 
ShowTooltip  | 
Mode "Tooltip" can be enabled using this action. When enabled, a tooltip indicator appears inside the widget. For this, a text must be configured in property "Tooltip". This text is displayed when the indicator is selected. Any other operation of a widget terminates mode "Tooltip".  | 
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ClearSrc  | 
Deletes the path to the PDF document and removes it from widget "PDFViewer".  | 
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Focus  | 
Sets the focus to the widget when keyboard operation is enabled.  | 
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Name  | 
Description  | 
Arguments  | 
EnableChanged  | 
Triggered when the usability of the widget is changed. This can be changed using various options: 1) Using property enable (binding or via widget action SetEnable) 2) Using property permissionOperate 3) Using usability properties (enable, permissionOperate, OPC UA variable) of the surrounding container widget 4) Using a bound OPC UA variable with write permissions that have been changed.  | 
•value: Boolean "value" defines the usability of the widget. If true is returned, the widget can be used; if false, it cannot be used.  | 
VisibleChanged  | 
Triggers when the visibility of the widget is changed. This can be changed using various options: 1) Using property visible (binding or via widget action SetVisible) 2) Using property permissionView 3) Using the visibility properties (visible, permissionView) of the surrounding container widget  | 
•value: Boolean "value" defines the visibility of the widget. If true is returned, the widget is displayed; if false, it is not displayed.  | 
OnDragEnter  | 
Triggers when a dragged widget is moved over the target widget.  | 
•widgetId: String "widgetId" contains the ID of the widget that performed the drag operation. •contentId: String "contentId" contains the ID of the piece of content whose widget performed the drag operation.  | 
OnDragLeave  | 
Triggers when a dragged widget is dragged away from the target widget.  | 
•widgetId: String "widgetId" contains the ID of the widget that performed the drag operation. •contentId: String "contentId" contains the ID of the piece of content whose widget performed the drag operation.  | 
OnDrop  | 
Triggers when a dragged widget is released on the target widget. For the definition of drag-and-drop and an explanation of how these events can be used, see here.  | 
•widgetId: String "widgetId" contains the ID of the widget that performed the drag operation. •contentId: String "contentId" contains the ID of the piece of content whose widget performed the drag operation.  | 
FocusIn  | 
Triggered when a widget gets the focus.  | 
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FocusOut  | 
Triggered when a widget loses focus.  | 
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