Gotcha.
Rob Mensching-2 wrote: > > My understanding of the BCL guidelines was that hashtables/dictionaries > should throw when the item is not present. The .NET Framework 1.0 design > (which returned null, not throw) was deemed inferior. I don't maintain > DTF but the "optimized pattern" for your scenario was to use the "bool > TryXxx(out value)" pattern. Does DTF have that? > > -----Original Message----- > From: vexilar [mailto:[email protected]] > Sent: Tuesday, January 20, 2009 12:19 > To: [email protected] > Subject: [WiX-users] Expected behavior of > customActionData["nonExistentKey"] > > > I ended up writing a method to obtain values from CustomActionData > instances: > > private static string getCustomActionDataValue(CustomActionData > customActionData, string key) > { > try > { > return customActionData[key]; > } > catch > { > return String.Empty; > } > } > > So that when I want to do something based on whether key in > customActionData > is populated or not I can just say > > if (getCustomActionDataValue(customActionData, "key") != "") { > doSomething; > } > > I modeled this after how session["nonExistentKey"] works. Is there a > reason > why customActionData["nonExistentKey"] doesn't work this way (instead it > throws an exception)? > -- > View this message in context: > http://n2.nabble.com/Expected-behavior-of-customActionData-%22nonExistentKey%22--tp2188585p2188585.html > Sent from the wix-users mailing list archive at Nabble.com. > > > ------------------------------------------------------------------------------ > This SF.net email is sponsored by: > SourcForge Community > SourceForge wants to tell your story. > http://p.sf.net/sfu/sf-spreadtheword > _______________________________________________ > WiX-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/wix-users > > > ------------------------------------------------------------------------------ > This SF.net email is sponsored by: > SourcForge Community > SourceForge wants to tell your story. > http://p.sf.net/sfu/sf-spreadtheword > _______________________________________________ > WiX-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/wix-users > > -- View this message in context: http://n2.nabble.com/Expected-behavior-of-customActionData-%22nonExistentKey%22--tp2188585p2190002.html Sent from the wix-users mailing list archive at Nabble.com. ------------------------------------------------------------------------------ This SF.net email is sponsored by: SourcForge Community SourceForge wants to tell your story. http://p.sf.net/sfu/sf-spreadtheword _______________________________________________ WiX-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/wix-users
