OptionalContentMembership Properties

The OptionalContentMembership type exposes the following members.

Properties

	Name	Description
	Expression	The content element visibility function. Optional content membership expression defines the visibility as a boolean function of OCG indices in C syntax. The OCG index represents the position of the element in the OCG list which can be retrieved by using OptionalContentGroups. Example: "1 \|\| 2" means that the content element is visible if either OCG 1 or OCG 2 is ON. Alternatively, the evaluated expression can be fetched via IsVisible.
	IsVisible	The element visibility. if the element is visible in the default configuration or OptionalContentGroups is empty. , otherwise.

Name

Description

Expression

The content element visibility function.

Optional content membership expression defines the visibility as a boolean function of OCG indices in C syntax. The OCG index represents the position of the element in the OCG list which can be retrieved by using OptionalContentGroups. Example: "1 || 2" means that the content element is visible if either OCG 1 or OCG 2 is ON.

Alternatively, the evaluated expression can be fetched via IsVisible.

IsVisible

The element visibility.

if the element is visible in the default configuration or OptionalContentGroups is empty. , otherwise.

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Reference

OptionalContentMembership Class

PdfTools.Toolbox.Pdf.Content Namespace