new icons

QuickLook/Properties/Resources.Designer.cs

@@ -70,6 +70,16 @@ namespace QuickLook.Properties {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized resource of type System.Drawing.Icon similar to (Icon).
+        /// </summary>
+        internal static System.Drawing.Icon app_16 {
+            get {
+                object obj = ResourceManager.GetObject("app_16", resourceCulture);
+                return ((System.Drawing.Icon)(obj));
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized resource of type System.Drawing.Icon similar to (Icon).
         /// </summary>
@@ -79,5 +89,15 @@ namespace QuickLook.Properties {
                 return ((System.Drawing.Icon)(obj));
             }
         }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Drawing.Icon similar to (Icon).
+        /// </summary>
+        internal static System.Drawing.Icon app_white_16 {
+            get {
+                object obj = ResourceManager.GetObject("app_white_16", resourceCulture);
+                return ((System.Drawing.Icon)(obj));
+            }
+        }
     }
 }

QuickLook/Properties/Resources.resx

@@ -121,7 +121,13 @@
   <data name="app" type="System.Resources.ResXFileRef, System.Windows.Forms">
     <value>..\Resources\app.ico;System.Drawing.Icon, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
   </data>
+  <data name="app_16" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\app_16.ico;System.Drawing.Icon, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
+  </data>
   <data name="app_white" type="System.Resources.ResXFileRef, System.Windows.Forms">
     <value>..\Resources\app_white.ico;System.Drawing.Icon, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
   </data>
+  <data name="app_white_16" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\app_white_16.ico;System.Drawing.Icon, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
+  </data>
 </root>

QuickLook/QuickLook.csproj

@@ -212,6 +212,8 @@
       <DependentUpon>Settings.settings</DependentUpon>
       <DesignTimeSharedInput>True</DesignTimeSharedInput>
     </Compile>
+    <None Include="Resources\app_white_16.ico" />
+    <None Include="Resources\app_16.ico" />
     <EmbeddedResource Include="Properties\Resources.resx">
       <Generator>ResXFileCodeGenerator</Generator>
       <LastGenOutput>Resources.Designer.cs</LastGenOutput>

QuickLook/TrayIconManager.cs

@@ -16,6 +16,7 @@
 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 using System;
+using System.Drawing;
 using System.Windows.Forms;
 using QuickLook.Helpers;
 using QuickLook.Properties;
@@ -44,7 +45,7 @@ namespace QuickLook
             {
                 Text = string.Format(TranslationHelper.GetString("Icon_ToolTip"),
                     Application.ProductVersion),
-                Icon = Resources.app,
+                Icon = GetTrayIconByDPI(),
                 Visible = true,
                 ContextMenu = new ContextMenu(new[]
                 {
@@ -66,6 +67,16 @@ namespace QuickLook
             _icon.Visible = false;
         }
 
+        private Icon GetTrayIconByDPI()
+        {
+            var isWin7 = Environment.OSVersion.Version < new Version(6, 2);
+            var scale = DpiHelper.GetCurrentScaleFactor().Vertical;
+
+            if (isWin7)
+                return scale > 1 ? Resources.app : Resources.app_16;
+            return scale > 1 ? Resources.app_white : Resources.app_white_16;
+        }
+
         public static void ShowNotification(string title, string content, bool isError = false, int timeout = 5000,
             Action clickEvent = null,
             Action closeEvent = null)