public static void SpotlightsPreview( 
   ImGearRasterPage page,
   ImGearRasterPage previewPage,
   ImGearSpotlight[] lights,
   double darkenBy
)

public: static void SpotlightsPreview( 
   ImGearRasterPage* page,
   ImGearRasterPage* previewPage,
   ImGearSpotlight*[]* lights,
   double darkenBy
) 

public:
static void SpotlightsPreview( 
   ImGearRasterPage^ page,
   ImGearRasterPage^ previewPage,
   array<ImGearSpotlight^>^ lights,
   double darkenBy
) 

'Declaration
 
Public Shared Sub SpotlightsPreview( _
   ByVal page As ImGearRasterPage, _
   ByVal previewPage As ImGearRasterPage, _
   ByVal lights() As ImGearSpotlight, _
   ByVal darkenBy As Double _
) 

'Usage
 
Dim page As ImGearRasterPage
Dim previewPage As ImGearRasterPage
Dim lights() As ImGearSpotlight
Dim darkenBy As Double
 
ImGearEffects.SpotlightsPreview(page, previewPage, lights, darkenBy)

Parameters

page

Page to apply the effect to.

previewPage

Page to apply preview of the effect to.

lights

Array of objects specifying spotlight parameters.

darkenBy

Amount to darken the unilluminated area by. Value of 0.0 results in no darkening; value of 1.0 makes unilluminated area black.

The spotlights effect darkens the image and highlights selected areas as if they are illuminated with a spotlight or sunlight.

Reference

ImGearEffects Class
ImGearEffects Members
ImGearRasterPage Class
ImGearSpotlight Class
Spotlights Method