Fixed Issue 137.

GUI/Gadget.cs

@@ -139,6 +139,15 @@ namespace OpenHardwareMonitor.GUI {
       }
     }
 
+    public event MouseEventHandler MouseDoubleClick {
+      add {
+        window.MouseDoubleClick += value;
+      }
+      remove {
+        window.MouseDoubleClick -= value;
+      }
+    }
+
     private void CreateBuffer() {
       this.buffer = new Bitmap(window.Size.Width, window.Size.Height, 
         PixelFormat.Format32bppArgb);

GUI/GadgetWindow.cs

@@ -132,6 +132,11 @@ namespace OpenHardwareMonitor.GUI {
             }
           } break;
         case WM_NCLBUTTONDBLCLK: {
+            if (MouseDoubleClick != null) {
+              MouseDoubleClick(this, new MouseEventArgs(MouseButtons.Left, 2,
+                Macros.GET_X_LPARAM(message.LParam) - location.X,
+                Macros.GET_Y_LPARAM(message.LParam) - location.Y, 0));
+            }
             message.Result = IntPtr.Zero;
           } break;
         case WM_NCRBUTTONDOWN: {
@@ -360,6 +365,8 @@ namespace OpenHardwareMonitor.GUI {
 
     public event HitTestEventHandler HitTest;
 
+    public event MouseEventHandler MouseDoubleClick;
+
     [StructLayout(LayoutKind.Sequential, Pack = 1)]
     private struct BlendFunction {
       public byte BlendOp;

GUI/MainForm.cs

@@ -129,6 +129,8 @@ namespace OpenHardwareMonitor.GUI {
         minCloseMenuItem.Visible = false;
       } else { // Windows
         gadget = new SensorGadget(computer, settings, unitManager);
+        gadget.HideShowCommand += hideShowClick;
+
         wmiProvider = new WmiProvider(computer);
       }          
 

GUI/SensorGadget.cs

@@ -194,6 +194,10 @@ namespace OpenHardwareMonitor.GUI {
         settings.SetValue("sensorGadget.Width", Size.Width);
         Redraw();
       };
+
+      MouseDoubleClick += delegate(object obj, MouseEventArgs args) {
+        SendHideShowCommand();
+      };
     }
 
     public override void Dispose() {
@@ -304,6 +308,13 @@ namespace OpenHardwareMonitor.GUI {
       Resize();
     }
 
+    public event EventHandler HideShowCommand;
+
+    public void SendHideShowCommand() {
+      if (HideShowCommand != null)
+        HideShowCommand(this, null);
+    }
+
     private Font CreateFont(float size, FontStyle style) {
       try {
         return new Font(SystemFonts.MessageBoxFont.FontFamily, size, style);