GPU overclocking fixes

app/CustomContextMenu.cs

@@ -0,0 +1,35 @@
+using System.Runtime.InteropServices;
+
+namespace GHelper
+{
+    class CustomContextMenu : ContextMenuStrip
+    {
+        [DllImport("dwmapi.dll", CharSet = CharSet.Unicode, SetLastError = true)]
+        private static extern long DwmSetWindowAttribute(IntPtr hwnd,
+                                                            DWMWINDOWATTRIBUTE attribute,
+                                                            ref DWM_WINDOW_CORNER_PREFERENCE pvAttribute,
+                                                            uint cbAttribute);
+
+        public CustomContextMenu()
+        {
+            var preference = DWM_WINDOW_CORNER_PREFERENCE.DWMWCP_ROUNDSMALL;     //change as you want
+            DwmSetWindowAttribute(Handle,
+                                  DWMWINDOWATTRIBUTE.DWMWA_WINDOW_CORNER_PREFERENCE,
+                                  ref preference,
+                                  sizeof(uint));
+        }
+
+        public enum DWMWINDOWATTRIBUTE
+        {
+            DWMWA_WINDOW_CORNER_PREFERENCE = 33
+        }
+        public enum DWM_WINDOW_CORNER_PREFERENCE
+        {
+            DWMWA_DEFAULT = 0,
+            DWMWCP_DONOTROUND = 1,
+            DWMWCP_ROUND = 2,
+            DWMWCP_ROUNDSMALL = 3,
+        }
+    }
+
+}