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Type

long for Visual C++ 

enumTransparentZones for Visual Basic

 

 

Syntax

object.SurfaceTransparentZone  [=enumTransparentZones]

 

 

Remarks

The zone affected by alpha channel transparency, set through the SurfaceTransparentFactor property,  when a special effect is applied 

Notes: This property is useful only if a special effect has been applied through the SpecialEffect property. 

Supported values are the following (The examples on this page are from Raised buttons): 

Mnemonic constant	Value	Meaning
TRANSP_ZONE_WHOLE	0 (default)	The whole button surface is affected by transparency
TRANSP_ZONE_OUTSIDE	1	Only the external part of the special effect is affected by transparency
TRANSP_ZONE_INSIDE	2	Only the internal part of the special effect is affected by transparency

 

 

See also

How to manage alpha channel transparency section. 

How to render buttons over a picture section.