Hide auto check update option and dns changer in Windows Store build

ShareX/ApplicationConfig.cs

@@ -176,7 +176,7 @@ public ApplicationConfig()
         public bool WorkflowsOnlyShowEdited { get; set; }
 
         [Category("Application"), DefaultValue(true), Description("Automatically check updates.")]
-#if STEAM
+#if STEAM || WindowsStore
         [Browsable(false)]
 #endif
         public bool AutoCheckUpdate { get; set; }

ShareX/Forms/MainForm.cs

@@ -182,6 +182,11 @@ private void InitializeControls()
             ExportImportControl.UploadRequested += json => UploadManager.UploadText(json);
 
             HandleCreated += MainForm_HandleCreated;
+
+#if WindowsStore
+            tsmiDNSChanger.Visible = false;
+            tsmiTrayDNSChanger.Visible = false;
+#endif
         }
 
         public void UpdateControls()

ShareX/TaskHelpers.cs

@@ -924,6 +924,9 @@ public static void OpenMonitorTest()
 
         public static void OpenDNSChanger()
         {
+#if WindowsStore
+            MessageBox.Show("Not supported in Windows Store build.", "ShareX", MessageBoxButtons.OK, MessageBoxIcon.Information);
+#else
             if (Helpers.IsAdministrator())
             {
                 new DNSChangerForm().Show();
@@ -932,6 +935,7 @@ public static void OpenDNSChanger()
             {
                 RunShareXAsAdmin("-dnschanger");
             }
+#endif
         }
 
         public static void RunShareXAsAdmin(string arguments)