GrapeCity.Documents.Pdf.Layers.ViewState.SetLayersUIState

SetLayersUIState Method

SetLayersUIState(bool?, params object[])

Sets 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.
• null: the user did not change the visibility of the layers.

Declaration

public void SetLayersUIState(bool? state, params object[] layers)

Parameters

Type	Name	Description
bool?	state	The desired state of the layer.
object[]	layers	The array of layer names or OptionalContentGroup objects.