If 'Close Minimizes' is unchecked then prompt user for confirmation when Main Form is closed

DS4Windows/DS4Forms/DS4Form.cs

@@ -2166,6 +2166,33 @@ namespace DS4Windows
                 return;
             }
 
+            //in case user accidentally clicks on the close button whilst "Close Minimizes" checkbox is unchecked
+            if (!cBCloseMini.Checked && !contextclose)
+            {
+                DS4Device[] devices = Program.rootHub.DS4Controllers;
+                int controllerLen = devices.Length;
+                bool nocontrollers = true;
+
+                for (Int32 i = 0, PadsLen = Pads.Length; nocontrollers && i < PadsLen; i++)
+                {
+                    DS4Device d = devices[i];
+                    if (d != null)
+                    {
+                        nocontrollers = false;
+                    }
+                }
+
+                if (!nocontrollers)
+                {
+                    if (MessageBox.Show(Properties.Resources.CloseConfirm, Properties.Resources.Confirm,
+                        MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.No)
+                    {
+                        e.Cancel = true;
+                        return;
+                    }
+                }
+            }
+
             if (cBCloseMini.Checked && !contextclose)
             {
                 this.WindowState = FormWindowState.Minimized;

DS4Windows/Properties/Resources.Designer.cs

@@ -274,6 +274,15 @@ namespace DS4Windows.Properties {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized string similar to This will disconnect all your connected controllers. Proceed?.
+        /// </summary>
+        internal static string CloseConfirm {
+            get {
+                return ResourceManager.GetString("CloseConfirm", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized string similar to Close DS4Windows?.
         /// </summary>
@@ -310,6 +319,15 @@ namespace DS4Windows.Properties {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized string similar to Confirm....
+        /// </summary>
+        internal static string Confirm {
+            get {
+                return ResourceManager.GetString("Confirm", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized string similar to Connecting....
         /// </summary>

DS4Windows/Properties/Resources.resx

@@ -787,4 +787,10 @@
   <data name="GyroTriggerBehavior" xml:space="preserve">
     <value>Check to have gyro active while trigger is active. Uncheck to disable gyro while trigger is active.</value>
   </data>
+  <data name="CloseConfirm" xml:space="preserve">
+    <value>This will disconnect all your connected controllers. Proceed?</value>
+  </data>
+  <data name="Confirm" xml:space="preserve">
+    <value>Confirm...</value>
+  </data>
 </root>