Defines the type of spotlight applied on the button.
Supported values are the following:
Mnemonic constant
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Value
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Meaning
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SPOTLIGHT_TYPE_RADIAL
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0 (default)
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The spotlight has a radial progression.
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SPOTLIGHT_TYPE_LINEAR
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1
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The spotlight has a linear progression
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SPOTLIGHT_TYPE_BELL_SHAPED
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2
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The spotlight has a bell-shaped progression
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For further information about surface lighting, see the How to manage surface lighting section.
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