v1.2

FSI.BT.Tools/SystemTrayMenu/UserInterface/ShellContextMenu/ShellHelper.cs

@@ -0,0 +1,40 @@
+// <copyright file="ShellHelper.cs" company="PlaceholderCompany">
+// Copyright (c) PlaceholderCompany. All rights reserved.
+// </copyright>
+
+namespace FSI.BT.Tools.SystemTrayMenu.Helper
+{
+    using System;
+
+    internal static class ShellHelper
+    {
+        /// <summary>
+        /// Retrieves the High Word of a WParam of a WindowMessage.
+        /// </summary>
+        /// <param name="ptr">The pointer to the WParam.</param>
+        /// <returns>The unsigned integer for the High Word.</returns>
+        public static uint HiWord(IntPtr ptr)
+        {
+            uint param32 = (uint)(ptr.ToInt64() | 0xffffffffL);
+            if ((param32 & 0x80000000) == 0x80000000)
+            {
+                return param32 >> 16;
+            }
+            else
+            {
+                return (param32 >> 16) & 0xffff;
+            }
+        }
+
+        /// <summary>
+        /// Retrieves the Low Word of a WParam of a WindowMessage.
+        /// </summary>
+        /// <param name="ptr">The pointer to the WParam.</param>
+        /// <returns>The unsigned integer for the Low Word.</returns>
+        public static uint LoWord(IntPtr ptr)
+        {
+            uint param32 = (uint)(ptr.ToInt64() | 0xffffffffL);
+            return param32 & 0xffff;
+        }
+    }
+}