Add Serbian translations (Cyrillic & Latin)

src/.build/lessmsi.msbuild

@@ -104,6 +104,14 @@
 			<!-- TheCulture is MSBuild's so-called "Item Metadata". See https://learn.microsoft.com/en-us/visualstudio/msbuild/msbuild-items?view=vs-2022&source=recommendations#item-metadata -->
 			<TheCulture>fi</TheCulture>
 		</DeployFiles>
+		<DeployFiles Include="$(RootDir)\LessMsi.Gui\bin\Release\sr-Cyrl\lessmsi-gui.resources.dll">
+			<!-- TheCulture is MSBuild's so-called "Item Metadata". See https://learn.microsoft.com/en-us/visualstudio/msbuild/msbuild-items?view=vs-2022&source=recommendations#item-metadata -->
+			<TheCulture>sr-Cyrl</TheCulture>
+		</DeployFiles>
+		<DeployFiles Include="$(RootDir)\LessMsi.Gui\bin\Release\sr-Latn\lessmsi-gui.resources.dll">
+			<!-- TheCulture is MSBuild's so-called "Item Metadata". See https://learn.microsoft.com/en-us/visualstudio/msbuild/msbuild-items?view=vs-2022&source=recommendations#item-metadata -->
+			<TheCulture>sr-Latn</TheCulture>
+		</DeployFiles>
 		<DeployFiles Include="$(RootDir)\packages\libmspack4n.0.9.10\lib\net40\libmspackn.dll"></DeployFiles>
 		<DeployFiles Include="$(RootDir)\packages\libmspack4n.0.9.10\build\x86\mspack.dll"></DeployFiles>
 		<DeployFiles Include="$(RootDir)\packages\LessIO.1.0.34\lib\net40\LessIO.dll"></DeployFiles>

src/LessMsi.Gui/ChangeLanguageForm.cs

@@ -6,6 +6,7 @@
 using System.Globalization;
 using System.Windows.Forms;
 using System.Collections.Generic;
+using LessMsi.Gui.Extensions;
 
 namespace LessMsi.Gui
 {
@@ -21,7 +22,7 @@ public ChangeLanguageForm()
         {
             InitializeComponent();
 
-            m_CurrentCheckedLang = Thread.CurrentThread.CurrentUICulture.TwoLetterISOLanguageName;
+            m_CurrentCheckedLang = Thread.CurrentThread.CurrentUICulture.Name;
 
             setGUIData();
 
@@ -83,26 +84,26 @@ private void generateRadioButtons()
             radioButtonsPanel.Controls.Clear();
             m_RadioButtonDict = new Dictionary<string, RadioButton>();
 
-            string currentTwoLetterLang = Thread.CurrentThread.CurrentUICulture.TwoLetterISOLanguageName;
+            var currentCulture = Thread.CurrentThread.CurrentUICulture;
 
             for (int i = 0; i < m_CultureInfoDict.Count; i++)
             {
-                var currentCultureKey = m_CultureInfoDict.ElementAt(i).Key;
-                var currentCultureInfo = m_CultureInfoDict.ElementAt(i).Value;
+                var cultureName = m_CultureInfoDict.ElementAt(i).Key;
+                var cultureInfo = m_CultureInfoDict.ElementAt(i).Value;
 
                 var radioButton = new RadioButton
                 {
-                    Name = currentCultureKey,
-                    Text = currentCultureInfo.DisplayName,
+                    Name = cultureName,
+                    Text = cultureInfo.DisplayName,
                     AutoSize = true,
                     Margin = new Padding(5),
                     Location = new System.Drawing.Point(10, 25 * i),
-                    Checked = currentTwoLetterLang == currentCultureKey
+                    Checked = currentCulture.BelongsTo(cultureInfo)
                 };
 
                 radioButton.CheckedChanged += OnRadioButtonCheckedChanged;
 
-                m_RadioButtonDict.Add(currentCultureKey, radioButton);
+                m_RadioButtonDict.Add(cultureName, radioButton);
 
                 radioButtonsPanel.Controls.Add(radioButton);
             }

src/LessMsi.Gui/Extensions/CultureInfoExtensions.cs

@@ -0,0 +1,29 @@
+using System.Globalization;
+
+namespace LessMsi.Gui.Extensions
+{
+    public static class CultureInfoExtensions
+    {
+        public static bool BelongsTo(this CultureInfo culture, CultureInfo target)
+        {
+            if (culture == null || target == null)
+            {
+                return false;
+            }
+
+            var current = culture;
+
+            while (!current.Equals(CultureInfo.InvariantCulture))
+            {
+                if (current.Equals(target))
+                {
+                    return true;
+                }
+
+                current = current.Parent;
+            }
+
+            return false;
+        }
+    }
+}

src/LessMsi.Gui/LessMsi.Gui.csproj

@@ -77,6 +77,7 @@
     <Compile Include="ChangeLanguageForm.Designer.cs">
       <DependentUpon>ChangeLanguageForm.cs</DependentUpon>
     </Compile>
+    <Compile Include="Extensions\CultureInfoExtensions.cs" />
     <Compile Include="Extensions\SummaryInformationExtensions.cs" />
     <Compile Include="ExtractionProgressDialog.cs">
       <SubType>Form</SubType>
@@ -168,6 +169,8 @@
     <EmbeddedResource Include="Resources\Languages\Strings.es.resx" />
     <EmbeddedResource Include="Resources\Languages\Strings.ru.resx" />
     <EmbeddedResource Include="Resources\Languages\Strings.sq.resx" />
+    <EmbeddedResource Include="Resources\Languages\Strings.sr-Cyrl.resx" />
+    <EmbeddedResource Include="Resources\Languages\Strings.sr-Latn.resx" />
     <EmbeddedResource Include="Resources\Languages\Strings.ko.resx" />
     <EmbeddedResource Include="Resources\Languages\Strings.zh.resx" />
 	<EmbeddedResource Include="Resources\Languages\Strings.no.resx" />

src/LessMsi.Gui/MainForm.cs

@@ -1057,7 +1057,7 @@ private void changeLangToolStripMenuItem_Click(object sender, EventArgs e)
             string newSelectedLanguage = changeLanguageForm.NewSelectedLanguage;
             if (newSelectedLanguage != string.Empty)
             {
-                Thread.CurrentThread.CurrentUICulture = CultureInfo.CreateSpecificCulture(newSelectedLanguage);
+                Thread.CurrentThread.CurrentUICulture = new CultureInfo(newSelectedLanguage);
 
                 Controls.Clear();
                 InitializeComponent();