LT-22127: Fix crash when changing language code (#401)

mark-sil · web-flow · commit 23248aad3224 · 2025-07-17T13:43:03.000-04:00
Allow the operation to continue if there is a problem getting
the script subtag for the old Language code.
diff --git a/Src/FwCoreDlgs/FwWritingSystemSetupModel.cs b/Src/FwCoreDlgs/FwWritingSystemSetupModel.cs
@@ -554,7 +554,7 @@ public void ChangeLanguage()
 
 				var languagesToChange = new List<WSListItemModel>(WorkingList.Where(ws => ws.WorkingWs.LanguageName == _languageName));
 				languageSubtag = new LanguageSubtag(languageSubtag, info.DesiredName);
-				var oldDefaultScriptSubtag = IetfLanguageTag.GetScriptSubtag(languagesToChange[0].WorkingWs.Language.Code);
+				IetfLanguageTag.TryGetSubtags(languagesToChange[0].WorkingWs.Language.Code, out _, out var oldDefaultScriptSubtag, out _, out _);
 
 				foreach (var ws in languagesToChange)
 				{

Original file line number	Diff line number	Diff line change
`@@ -554,7 +554,7 @@ public void ChangeLanguage()`
`554`	`554`
`555`	`555`	`var languagesToChange = new List<WSListItemModel>(WorkingList.Where(ws => ws.WorkingWs.LanguageName == _languageName));`
`556`	`556`	`languageSubtag = new LanguageSubtag(languageSubtag, info.DesiredName);`
`557`		`- var oldDefaultScriptSubtag = IetfLanguageTag.GetScriptSubtag(languagesToChange[0].WorkingWs.Language.Code);`
	`557`	`+ IetfLanguageTag.TryGetSubtags(languagesToChange[0].WorkingWs.Language.Code, out _, out var oldDefaultScriptSubtag, out _, out _);`
`558`	`558`
`559`	`559`	`foreach (var ws in languagesToChange)`
`560`	`560`	`{`