Fix some resharper warnings and errors

VocaluxeLib/Menu/CBackground.cs

@@ -84,7 +84,6 @@ namespace VocaluxeLib.Menu
             _PartyModeID = partyModeID;
 
             ThemeLoaded = true;
-            LoadSkin();
         }
         #endregion Constructors
 

VocaluxeLib/Menu/CButton.cs

@@ -122,7 +122,6 @@ namespace VocaluxeLib.Menu
             EditMode = false;
 
             ThemeLoaded = true;
-            LoadSkin();
         }
 
         public CButton(CButton button)

VocaluxeLib/Menu/CEqualizer.cs

@@ -95,7 +95,6 @@ namespace VocaluxeLib.Menu
             _Theme = theme;
 
             ThemeLoaded = true;
-            LoadSkin();
         }
 
         public bool LoadTheme(string xmlPath, string elementName, CXmlReader xmlReader)

VocaluxeLib/Menu/CInteraction.cs

@@ -33,7 +33,7 @@ namespace VocaluxeLib.Menu
         ParticleEffect
     }
 
-    class CInteraction
+    public class CInteraction
     {
         public readonly int Num;
         public readonly EType Type;

VocaluxeLib/Menu/CLyric.cs

@@ -103,7 +103,6 @@ namespace VocaluxeLib.Menu
             LyricStyle = ELyricStyle.Fill;
 
             ThemeLoaded = true;
-            LoadSkin();
         }
 
         public bool LoadTheme(string xmlPath, string elementName, CXmlReader xmlReader)

VocaluxeLib/Menu/CMenu.cs

@@ -201,13 +201,27 @@ namespace VocaluxeLib.Menu
                     _AddSingNote(new CSingNotes(sb, PartyModeID), sb.Name);
 
                 foreach (SThemeSongMenu sm in Theme.SongMenus)
-                    _AddSongMenu(CSongMenuFactory.GetSongMenu(sm, PartyModeID), sm.Name);
+                    _AddSongMenu(CSongMenuFactory.CreateSongMenu(sm, PartyModeID), sm.Name);
 
                 foreach (SThemeStatic st in Theme.Statics)
                     _AddStatic(new CStatic(st, PartyModeID), st.Name);
 
                 foreach (SThemeText te in Theme.Texts)
                     _AddText(new CText(te, PartyModeID), te.Name);
+
+                if (_ScreenVersion != Theme.Informations.ScreenVersion)
+                {
+                    string msg = "Can't load screen file of screen \"" + ThemeName + "\", ";
+                    if (Theme.Informations.ScreenVersion < _ScreenVersion)
+                        msg += "the file ist outdated! ";
+                    else
+                        msg += "the file is for newer program versions! ";
+
+                    msg += "Current screen version is " + _ScreenVersion;
+                    CBase.Log.LogError(msg);
+                }
+                foreach (IThemeable el in _Elements.Select(_GetElement).OfType<IThemeable>())
+                    el.LoadSkin();
             }
             catch (InvalidOperationException)
             {
@@ -217,17 +231,6 @@ namespace VocaluxeLib.Menu
             {
                 CBase.Log.LogError(e.Message + e.StackTrace, true, true);
             }
-            if (_ScreenVersion != Theme.Informations.ScreenVersion)
-            {
-                string msg = "Can't load screen file of screen \"" + ThemeName + "\", ";
-                if (Theme.Informations.ScreenVersion < _ScreenVersion)
-                    msg += "the file ist outdated! ";
-                else
-                    msg += "the file is for newer program versions! ";
-
-                msg += "Current screen version is " + _ScreenVersion;
-                CBase.Log.LogError(msg);
-            }
         }
 
         private void _AddScreenSetting(CScreenSetting screenSetting, string name)
@@ -257,7 +260,7 @@ namespace VocaluxeLib.Menu
                 _LoadThemeElement<CSelectSlide>(_ThemeSelectSlides, _AddSelectSlide, xmlReader);
                 foreach (string elName in _ThemeSongMenus)
                 {
-                    ISongMenu element = CSongMenuFactory.GetSongMenu(PartyModeID);
+                    ISongMenu element = CSongMenuFactory.CreateSongMenu(PartyModeID);
                     if (element.LoadTheme("//root/" + ThemeName, elName, xmlReader))
                         _AddSongMenu(element, elName);
                     else
@@ -338,80 +341,14 @@ namespace VocaluxeLib.Menu
 
         public virtual void ReloadSkin()
         {
-            foreach (CBackground background in _Backgrounds)
-                background.ReloadSkin();
-
-            foreach (CButton button in _Buttons)
-                button.ReloadSkin();
-
-            foreach (CText text in _Texts)
-                text.ReloadSkin();
-
-            foreach (CStatic stat in _Statics)
-                stat.ReloadSkin();
-
-            foreach (CSelectSlide slide in _SelectSlides)
-                slide.ReloadSkin();
-
-            foreach (CSongMenuFramework sm in _SongMenus)
-                sm.ReloadSkin();
-
-            foreach (CLyric lyric in _Lyrics)
-                lyric.ReloadSkin();
-
-            foreach (CSingNotes sn in _SingNotes)
-                sn.ReloadSkin();
-
-            foreach (CNameSelection ns in _NameSelections)
-                ns.ReloadSkin();
-
-            foreach (CEqualizer eq in _Equalizers)
-                eq.ReloadSkin();
-
-            foreach (CPlaylist pls in _Playlists)
-                pls.ReloadSkin();
-
-            foreach (CParticleEffect pe in _ParticleEffects)
-                pe.ReloadSkin();
+            foreach (IThemeable el in _Elements.Select(_GetElement).OfType<IThemeable>())
+                el.ReloadSkin();
         }
 
         public virtual void UnloadSkin()
         {
-            foreach (CBackground background in _Backgrounds)
-                background.UnloadSkin();
-
-            foreach (CButton button in _Buttons)
-                button.UnloadSkin();
-
-            foreach (CText text in _Texts)
-                text.UnloadSkin();
-
-            foreach (CStatic stat in _Statics)
-                stat.UnloadSkin();
-
-            foreach (CSelectSlide slide in _SelectSlides)
-                slide.UnloadSkin();
-
-            foreach (CSongMenuFramework sm in _SongMenus)
-                sm.UnloadSkin();
-
-            foreach (CLyric lyric in _Lyrics)
-                lyric.UnloadSkin();
-
-            foreach (CSingNotes sn in _SingNotes)
-                sn.UnloadSkin();
-
-            foreach (CNameSelection ns in _NameSelections)
-                ns.UnloadSkin();
-
-            foreach (CPlaylist pls in _Playlists)
-                pls.UnloadSkin();
-
-            foreach (CEqualizer eq in _Equalizers)
-                eq.UnloadSkin();
-
-            foreach (CParticleEffect pe in _ParticleEffects)
-                pe.UnloadSkin();
+            foreach (IThemeable el in _Elements.Select(_GetElement).OfType<IThemeable>())
+                el.UnloadSkin();
         }
 
         public virtual void ReloadTheme(string xmlPath)

VocaluxeLib/Menu/CMenuParty.cs

@@ -15,7 +15,6 @@
 // along with Vocaluxe. If not, see <http://www.gnu.org/licenses/>.
 #endregion
 
-using System;
 using VocaluxeLib.PartyModes;
 
 namespace VocaluxeLib.Menu

VocaluxeLib/Menu/CNameSelection.cs

@@ -136,7 +136,6 @@ namespace VocaluxeLib.Menu
             _UsedProfiles = new List<int>();
 
             ThemeLoaded = true;
-            LoadSkin();
         }
 
         public void Init()

VocaluxeLib/Menu/CObjectInteractions.cs

@@ -27,7 +27,7 @@ namespace VocaluxeLib.Menu
 {
     public abstract class CObjectInteractions
     {
-        private readonly List<CInteraction> _Elements = new List<CInteraction>();
+        protected readonly List<CInteraction> _Elements = new List<CInteraction>();
         private int _Selection;
 
         private Point _PrevMouse;
@@ -245,7 +245,7 @@ namespace VocaluxeLib.Menu
             return _Selection >= 0 && _Selection < _Elements.Count;
         }
 
-        private IMenuElement _GetElement(CInteraction element)
+        protected IMenuElement _GetElement(CInteraction element)
         {
             switch (element.Type)
             {

VocaluxeLib/Menu/CParticleEffect.cs

@@ -125,7 +125,6 @@ namespace VocaluxeLib.Menu
             Visible = true;
 
             ThemeLoaded = true;
-            LoadSkin();
         }
 
         public bool LoadTheme(string xmlPath, string elementName, CXmlReader xmlReader)

VocaluxeLib/Menu/CPlaylist.cs

@@ -253,14 +253,6 @@ namespace VocaluxeLib.Menu
             _ButtonPlaylistSing = new CButton(_Theme.ButtonPlaylistSing, _PartyModeID);
             _SelectSlideGameMode = new CSelectSlide(_Theme.SelectSlideGameMode, _PartyModeID);
 
-            Visible = false;
-            Selected = false;
-            ThemeLoaded = true;
-        }
-
-        public override void Init()
-        {
-            base.Init();
             _AddStatic(_StaticPlaylistFooter);
             _AddStatic(_StaticPlaylistHeader);
             _AddButton(_ButtonPlaylistName);
@@ -268,7 +260,10 @@ namespace VocaluxeLib.Menu
             _AddButton(_ButtonPlaylistDelete);
             _AddButton(_ButtonPlaylistSave);
             _AddButton(_ButtonPlaylistSing);
-            LoadSkin();
+
+            Visible = false;
+            Selected = false;
+            ThemeLoaded = true;
         }
 
         public bool LoadTheme(string xmlPath, string elementName, CXmlReader xmlReader)
@@ -886,11 +881,13 @@ namespace VocaluxeLib.Menu
                             if (_ChangeOrderSource >= _PlaylistElementContents.Count)
                                 return true;
 
-                            _ChangeOrderElement = new CPlaylistElement(_PlaylistElements[_CurrentPlaylistElement]);
-                            _ChangeOrderElement.Background.Z = CBase.Settings.GetZNear();
-                            _ChangeOrderElement.Cover.Z = CBase.Settings.GetZNear();
-                            _ChangeOrderElement.SelectSlide.Z = CBase.Settings.GetZNear();
-                            _ChangeOrderElement.Text1.Z = CBase.Settings.GetZNear();
+                            _ChangeOrderElement = new CPlaylistElement(_PlaylistElements[_CurrentPlaylistElement])
+                                {
+                                    Background = {Z = CBase.Settings.GetZNear()},
+                                    Cover = {Z = CBase.Settings.GetZNear()},
+                                    SelectSlide = {Z = CBase.Settings.GetZNear()},
+                                    Text1 = {Z = CBase.Settings.GetZNear()}
+                                };
 
                             _ChangeOrderElement.Background.Texture = CBase.Themes.GetSkinTexture(_Theme.SkinBackground, _PartyModeID);
                             _ChangeOrderElement.Background.Color = _BackgroundColor;

VocaluxeLib/Menu/CSelectSlide.cs

@@ -264,7 +264,6 @@ namespace VocaluxeLib.Menu
             _ValuePartyModeIDs = new List<int>();
 
             ThemeLoaded = true;
-            LoadSkin();
         }
 
         public bool LoadTheme(string xmlPath, string elementName, CXmlReader xmlReader)

VocaluxeLib/Menu/CStatic.cs

@@ -111,8 +111,6 @@ namespace VocaluxeLib.Menu
             _PartyModeID = partyModeID;
             _Theme = theme;
             ThemeLoaded = true;
-
-            LoadSkin();
         }
 
         public bool LoadTheme(string xmlPath, string elementName, CXmlReader xmlReader)

VocaluxeLib/Menu/CText.cs

@@ -292,7 +292,6 @@ namespace VocaluxeLib.Menu
             _ButtonText = buttonText;
 
             ThemeLoaded = true;
-            LoadSkin();
         }
 
         public bool LoadTheme(string xmlPath, string elementName, CXmlReader xmlReader)

VocaluxeLib/Menu/SingNotes/CSingNotes.cs

@@ -84,7 +84,6 @@ namespace VocaluxeLib.Menu.SingNotes
             _BarPos = new SRectF[CBase.Settings.GetMaxNumPlayer(),CBase.Settings.GetMaxNumPlayer()];
 
             ThemeLoaded = true;
-            LoadSkin();
         }
 
         public string GetThemeName()

VocaluxeLib/Menu/SongMenu/CSongMenuFactory.cs

@@ -21,7 +21,7 @@ namespace VocaluxeLib.Menu.SongMenu
 {
     public static class CSongMenuFactory
     {
-        public static ISongMenu GetSongMenu(SThemeSongMenu theme, int partyModeID)
+        public static ISongMenu CreateSongMenu(SThemeSongMenu theme, int partyModeID)
         {
             switch (CBase.Config.GetSongMenuType())
             {
@@ -47,7 +47,7 @@ namespace VocaluxeLib.Menu.SongMenu
         /// </summary>
         /// <param name="partyModeID"></param>
         /// <returns></returns>
-        public static ISongMenu GetSongMenu(int partyModeID)
+        public static ISongMenu CreateSongMenu(int partyModeID)
         {
             switch (CBase.Config.GetSongMenuType())
             {

VocaluxeLib/Menu/SongMenu/CSongMenuFramework.cs

@@ -157,7 +157,6 @@ namespace VocaluxeLib.Menu.SongMenu
             _Theme = theme;
 
             ThemeLoaded = true;
-            LoadSkin();
         }
 
         #region Theme