Apply R# clean-up for reliability (#877)

* Apply R# clean-up for reliability

- Migrate to NUnit4 Assert.That
- Update dependencise versions
- Fix LangVersion to 9.0 (until net core migration)
- Reformat code
- Apply 'var' style (easier for refactoring)
- Remove redundant parentheses
- Add braces on every condition blocks (1 line)
- Uses new null checking patterns
- Uses AutoProperties when possible
- Uses string scalar type instead of class
- Clean usings
- Add .orig files in git ignore
- Rename some properties to respect defined conventions and US format definition
	- ID -> Id
	- BPM -> Bpm
	- Finish -> End

* Update R# settings according to the clean-up made

VocaluxeLib/Menu/CRatingPopup.cs

@@ -6,7 +6,8 @@ namespace VocaluxeLib.Menu
     [XmlType("RatingPopup")]
     public struct SThemeRatingPopup
     {
-        [XmlAttribute(AttributeName = "Name")] public string Name;
+        [XmlAttribute(AttributeName = "Name")]
+        public string Name;
         public string SkinRatingPopup;
         public SRectF Rect;
         public SThemeText Text;
@@ -14,12 +15,12 @@ namespace VocaluxeLib.Menu
 
     public sealed class CRatingPopup : CMenuElementBase, IMenuElement, IThemeable
     {
-        private readonly int _PartyModeID;
+        private readonly int _PartyModeId;
         private SThemeRatingPopup _Theme;
         private CTextureRef _TextureRatingPopup;
         public CTextureRef TextureRatingPopup
         {
-            get { return _TextureRatingPopup ?? CBase.Themes.GetSkinTexture(_Theme.SkinRatingPopup, _PartyModeID); }
+            get { return _TextureRatingPopup ?? CBase.Themes.GetSkinTexture(_Theme.SkinRatingPopup, _PartyModeId); }
 
             set { _TextureRatingPopup = value; }
         }
@@ -30,17 +31,17 @@ namespace VocaluxeLib.Menu
         public float Alpha = 1;
         public SColorF Color;
 
-        public CRatingPopup(int partyModeID)
+        public CRatingPopup(int partyModeId)
         {
-            _PartyModeID = partyModeID;
-            Text = new CText(partyModeID);
+            _PartyModeId = partyModeId;
+            Text = new CText(partyModeId);
             Text.AllMonitors = false;
             Visible = false;
         }
 
         public CRatingPopup(CRatingPopup rp)
         {
-            _PartyModeID = rp._PartyModeID;
+            _PartyModeId = rp._PartyModeId;
             _TextureRatingPopup = rp._TextureRatingPopup;
             Text = new CText(rp.Text);
             Text.AllMonitors = false;
@@ -48,26 +49,25 @@ namespace VocaluxeLib.Menu
             MaxRect = rp.MaxRect;
         }
 
-        public CRatingPopup(SThemeRatingPopup theme, int partyModeID)
+        public CRatingPopup(SThemeRatingPopup theme, int partyModeId)
         {
             _Theme = theme;
-            _PartyModeID = partyModeID;
-            Text = new CText(theme.Text, partyModeID);
+            _PartyModeId = partyModeId;
+            Text = new CText(theme.Text, partyModeId);
             Text.AllMonitors = false;
             Visible = false;
             ThemeLoaded = true;
         }
 
-
         public void Draw()
         {
-            SColorF color = Color;
+            var color = Color;
             color.A = Alpha;
             Text.Color.A = Alpha;
 
             if (_TextureRatingPopup != null)
             {
-                CBase.Drawing.DrawTexture(_TextureRatingPopup  , Rect, color, false);
+                CBase.Drawing.DrawTexture(_TextureRatingPopup, Rect, color, false);
             }
 
             Text.DrawRelative(Rect.X, Rect.Y);
@@ -87,17 +87,17 @@ namespace VocaluxeLib.Menu
         public void LoadSkin()
         {
             if (!ThemeLoaded)
+            {
                 return;
+            }
 
-            TextureRatingPopup = CBase.Themes.GetSkinTexture(_Theme.SkinRatingPopup, _PartyModeID);
-            Text = new CText(_Theme.Text, _PartyModeID);
+            TextureRatingPopup = CBase.Themes.GetSkinTexture(_Theme.SkinRatingPopup, _PartyModeId);
+            Text = new CText(_Theme.Text, _PartyModeId);
             Text.LoadSkin();
             MaxRect = _Theme.Rect;
         }
 
-        public void UnloadSkin()
-        {
-        }
+        public void UnloadSkin() { }
 
         public void ReloadSkin()
         {
@@ -118,14 +118,18 @@ namespace VocaluxeLib.Menu
         {
             W += stepW;
             if (W <= 0)
+            {
                 W = 1;
+            }
 
             H += stepH;
             if (H <= 0)
+            {
                 H = 1;
+            }
 
             _Theme.Rect.W = Rect.W;
             _Theme.Rect.H = Rect.H;
         }
     }
-}
+}