Document Solutions for PDF
DS.Documents.Pdf Assembly / GrapeCity.Documents.Pdf.Layers Namespace / ViewState Class
Fields Properties Methods

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    ViewState Class Members
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    The following tables list the members exposed by ViewState.

    Public Constructors
     NameDescription
    Public ConstructorInitializes a new instance of the ViewState class.  
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    Public Fields
     NameDescription
    Public FieldThe GrapeCity.Documents.Pdf.GcPdfDocument for which this ViewState was created.  
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    Public Properties
     NameDescription
    Public PropertyGets the OptionalContentConfiguration specified in the last ApplyConfiguration method call.  
    Public PropertyGets or sets a value indicating whether all layers' state should be ignored and all layers should be considered visible.  
    Public PropertyGets or sets the document view mode.  
    Public PropertyGets or sets the document zoom value (1 is actual size, no zoom).  
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    Public Methods
     NameDescription
    Public MethodApplies the specified configuration to this view state.  
    Public MethodOverloaded. Gets the visibility state of an optional content group (layer) in the context of an end-user UI The return value is interpreted as follows:
    • true: the user explicitly made layer visible.
    • false: the user explicitly made layer hidden.
    • a null reference (Nothing in Visual Basic): the user did not change the visibility of layer.
     
    Public MethodOverloaded. Checks whether a layer is active in the view mode specified by the Mode property. The target layer can be specified as an OptionalContentGroup, an OptionalContentMembership or a string representing the name of the layer.  
    Public MethodChecks whether a layer is visible when the document is exported. The target layer can be specified as an OptionalContentGroup, an OptionalContentMembership or a string representing the name of the layer.  
    Public MethodChecks whether a layer is visible when the document is printed. The target layer can be specified as an OptionalContentGroup, an OptionalContentMembership or a string representing the name of the layer.  
    Public MethodChecks whether a layer is visible when the document is viewed. The target layer can be specified as an OptionalContentGroup, an OptionalContentMembership or a string representing the name of the layer.  
    Public MethodResets this ViewState to its initial state.  
    Public MethodSets the visibility of one or more layers in the context of an end-user UI. The layers array can contain layer names (strings) or OptionalContentGroup references. The state is interpreted as follows:
    • true: the user explicitly made the layers visible.
    • false: the user explicitly made the layers hidden.
    • a null reference (Nothing in Visual Basic): the user did not change the visibility of the layers.
     
    Public MethodSets the visibility of all layers except those listed in the layers array, in the context of an end-user UI. The layers array can contain layer names (strings) or OptionalContentGroup references. The state is interpreted as follows:
    • true: the user explicitly made all layers (except the specified ones) visible.
    • false: the user explicitly made all layers (except the specified ones) hidden.
    • a null reference (Nothing in Visual Basic): the user did not change the visibility of the layers.
     
    Public MethodOverloaded. Sets the visibility of an optional content group (layer) in the context of an end-user UI. The state is interpreted as follows:
    • true: the user explicitly made layer visible.
    • false: the user explicitly made layer hidden.
    • a null reference (Nothing in Visual Basic): the user did not change the visibility of layer.
     
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    See Also