UX: don't close UI or grey out commit button if admin rights were denied

Author: sharpjd

GPUPrefSwitcher/OptionsFormUtils.cs

@@ -24,7 +24,7 @@ public static void ResetPreferencesXmlFile(bool showRestartConfirmation = true)
             }
         }
 
-        public static void AskRestartService()
+        public static bool AskRestartService()
         {
 
             const int ERROR_CANCELLED = 1223; //The operation was canceled by the user.
@@ -41,10 +41,15 @@ public static void AskRestartService()
             catch (Win32Exception ex)
             {
                 if (ex.NativeErrorCode == ERROR_CANCELLED)
+                {
                     MessageBox.Show("Admin rights were denied, or error restarting service");
+                    return false;
+                }
                 else
                     throw;
             }
+
+            return true;
         }
 
         public static void AskDeleteFolders()

GPUPrefSwitcherGUI/MainForm.cs

@@ -423,15 +423,19 @@ private void RevertChangesButton_Click(object sender, EventArgs e)
 
         private void CommitButton_Click(object sender, EventArgs e)
         {
-            OptionsFormUtils.AskRestartService();
-            CommitButton.Enabled = false;
+            bool restartSuccess = OptionsFormUtils.AskRestartService();
 
-            /* //not sure this does anything because there's no gauruntee the serrice has updated the file; maybe we need some sort of file update listener?
+            /* //not sure this does anything because there's no gauruntee the service has updated the file; maybe we need some sort of file update listener?
             switcherOptions.Reload();
             UpdateGrid();
             */
 
-            Close();
+            if (restartSuccess)
+            {
+                //CommitButton.Enabled = false;
+                Close();
+            }
+                
         }
 
         private void OptionsButton_Click(object sender, EventArgs e)

GPUPrefSwitcherGUI/OptionsForm.cs

@@ -152,14 +152,19 @@ private void SpoofPowerStateComboBox_SelectedIndexChanged(object sender, EventAr
 
         private void CommitChangesButton_Click(object sender, EventArgs e)
         {
-            OptionsFormUtils.AskRestartService();
-            CommitChangesButton.Enabled = false;
+            bool restartSuccess = OptionsFormUtils.AskRestartService();
+
+            if(restartSuccess)
+            {
+                //CommitChangesButton.Enabled = false;
+                parentMainForm.Close();
+            }
 
             /* //not sure this does anything because there's no gauruntee the serrice has updated the file; maybe we need some sort of file update listener?
             switcherOptions.Reload();
             UpdateFormComponents(switcherOptions.CurrentOptions);
             */
-            parentMainForm.Close();
+            
         }
 
         private void SaveButton_Click_1(object sender, EventArgs e)