Add function to send system commands to a window

Constants.cs

@@ -198,6 +198,32 @@ namespace Common.Native
             Restore = 9
         }
 
+        public enum SysCommand
+        {
+            Size = 0xF000,
+            Move = 0xF010,
+            Minimize = 0xF020,
+            Maximize = 0xF030,
+            NextWindow = 0xF040,
+            PreviousWindow = 0xF050,
+            Close = 0xF060,
+            VerticalScroll = 0xF070,
+            HorizontalScroll = 0xF080,
+            MouseMenu = 0xF090,
+            KeyMenu = 0xF100,
+            Arrange = 0xF110,
+            Restore = 0xF120,
+            TaskList = 0xF130,
+            ScreenSave = 0xF140,
+            HotKey = 0xF150,
+            Default = 0xF160,
+            MonitorPower = 0xF170,
+            ContextHelp = 0xF180,
+            Separator = 0xF00F,
+            Icon = Minimize,
+            Zoom = Maximize,
+        }
+
         [Flags]
         public enum SendMessageTimeoutFlags : uint
         {

Functions.cs

@@ -69,6 +69,11 @@ namespace Common.Native
                 User32.SetWindowPlacement(hWnd, ref windowPlacement);
             }
 
+            public static void SystemCommand(IntPtr hWnd, Constants.SysCommand command)
+            {
+                User32.SendMessage(hWnd, (uint) Constants.WindowMessage.SysCommand, (IntPtr) command, IntPtr.Zero);
+            }
+
             public static Icon GetSmallIcon(IntPtr hWnd)
             {
                 try