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