From digitalmars-d-dwt at puremagic.com Fri Mar 3 16:36:34 2017 From: digitalmars-d-dwt at puremagic.com (JamesD via Digitalmars-d-dwt) Date: Sat, 04 Mar 2017 00:36:34 +0000 Subject: DWT Windows Load Icon from File/Program/Resource In-Reply-To: References: Message-ID: On Saturday, 25 February 2017 at 19:58:17 UTC, Jacob Carlborg wrote: > On 2017-02-25 09:45, JamesD wrote: >> I'm a hobbyist and new to the D language. With a lot of help >> from >> various online resources, I finally figured out how to load an >> icon from: >> >> 1. A file "icon.ico" (this was easy) >> 2. A Program extension from the Windows registry, e.g. >> "*.inf" (harder) >> 3. A linked resource from the exe itsself (very hard) >> >> I learned how to add an icon to the exe with a compiled >> Resource file. >> Now I can load this embedded icon as the shell icon. >> And I don't have to distribute a separate ico file with my >> exe. >> I added a couple of simple bat files to compile with either >> dmd or dub. >> >> This work can be found at: >> >> https://github.com/jasc2v8/dwt-support/tree/master/windows/example-load-icon >> >> I hope this helps another newbie like me. >> Constructive feedback is welcome. > > In D it's very simple to embed resources in the executable at > compile time using string imports: > > immutable data = cast(immutable(uyte[]) import("foo.ico"); > > Compile by adding the -J flag to point to the directory where > the icon files are located: > > dmd main.d -J./resources > > Then I'm pretty sure there's a an API that takes a byte array > and returns an image of some sort. Very interesting, thank you! Update: I expanded and renamed this project, now at: https://github.com/jasc2v8/dwt-support/tree/master/windows/loadicon The key takeway is the Win32 API LoadImage function. Use to set the Shell icon from the program icon linked with icons.res in this exe file.