GrapeCity.Documents.Pdf.Layers.ViewState.SetLayerUIState

SetLayerUIState Method

SetLayerUIState(OptionalContentGroup, bool?)

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.
• null: the user did not change the visibility of layer.

Declaration

public void SetLayerUIState(OptionalContentGroup layer, bool? state)

Parameters

Type	Name	Description
OptionalContentGroup	layer	The target layer.
bool?	state	The desired state of the layer.

SetLayerUIState(string, bool?)

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 layerName visible.
• false: the user explicitly made layerName hidden.
• null: the user did not change the visibility of layerName.

Declaration

public void SetLayerUIState(string layerName, bool? state)

Parameters

Type	Name	Description
string	layerName	The name of the target layer.
bool?	state	The desired state of the layer.