Lingo Dictionary > T-Z > useAlpha

 

useAlpha

Syntax

member(whichCastMember).useAlpha
imageObject.useAlpha

Description

Bitmap cast member and image object property; for 32-bit cast members and image objects with alpha channel information, determines whether Director uses the alpha information when drawing the image onto the Stage (TRUE), or whether Director ignores the alpha information when drawing to the Stage (FALSE).

Example

This toggles the alpha channel of cast member "foreground" on and off.

member("foreground").useAlpha=not member("foreground").useAlpha