Squashed 'NotifyIconWpf/' content from commit f64d48e

git-subtree-dir: NotifyIconWpf
git-subtree-split: f64d48ec604eef26e5dc1e7c2d5e1e91b329ffac

NotifyIconWpf/Interop/NotifyCommand.cs

@@ -0,0 +1,41 @@
+namespace Hardcodet.Wpf.TaskbarNotification.Interop
+{
+    /// <summary>
+    /// Main operations performed on the
+    /// <see cref="WinApi.Shell_NotifyIcon"/> function.
+    /// </summary>
+    public enum NotifyCommand
+    {
+        /// <summary>
+        /// The taskbar icon is being created.
+        /// </summary>
+        Add = 0x00,
+
+        /// <summary>
+        /// The settings of the taskbar icon are being updated.
+        /// </summary>
+        Modify = 0x01,
+
+        /// <summary>
+        /// The taskbar icon is deleted.
+        /// </summary>
+        Delete = 0x02,
+
+        /// <summary>
+        /// Focus is returned to the taskbar icon. Currently not in use.
+        /// </summary>
+        SetFocus = 0x03,
+
+        /// <summary>
+        /// Shell32.dll version 5.0 and later only. Instructs the taskbar
+        /// to behave according to the version number specified in the 
+        /// uVersion member of the structure pointed to by lpdata.
+        /// This message allows you to specify whether you want the version
+        /// 5.0 behavior found on Microsoft Windows 2000 systems, or the
+        /// behavior found on earlier Shell versions. The default value for
+        /// uVersion is zero, indicating that the original Windows 95 notify
+        /// icon behavior should be used.
+        /// </summary>
+        SetVersion = 0x04
+    }
+}