On 8/18/2012 12:50 PM, Chuck Belanger wrote:
Still having black background icons come out as black and not transparent at runtime.

Any property setting that would do this? It has got to be something simple!
Ok, at least I know what is causing this problem, but it looks like I will be posting to the CnPack forum. CnPack is an Delphi IDE enhancement package.

In the upgrading of the D2007 program, one TImageList set of images (135) got mangled. CnPack has a very neat GUI for the image list that allows one to directly search the internet for public domain icons that one can then directly add to the imagelist.

The only way to show transparency for this particular imagelist was to use the "Use XP Style..." checkbox, but like I said that only works in design time. At run time, the black background shows up. I did manage to export the 135 images which in the process converted the background from black to white which, although still not transparent, is much easier on the eye than black.

For any readers, use of the XP Style causes other image lists to have a black background, but for these other lists, they were transparent (at run time) without the XP Style.

Chuck
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