Made notifications work again, activation doesn't work yet due to missing ToastActivatorCLSID on the shortcut.

GreenshotWin10Plugin/Native/NotificationUserInput.cs

@@ -0,0 +1,70 @@
+// ******************************************************************
+// Copyright (c) Microsoft. All rights reserved.
+// This code is licensed under the MIT License (MIT).
+// THE CODE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH
+// THE CODE OR THE USE OR OTHER DEALINGS IN THE CODE.
+// ******************************************************************
+
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+using GreenshotWin10Plugin.Native.Structs;
+
+namespace GreenshotWin10Plugin.Native
+{
+    /// <summary>
+    /// Text and selection values that the user entered on your notification. The Key is the ID of the input, and the Value is what the user entered.
+    /// </summary>
+    public class NotificationUserInput : IReadOnlyDictionary<string, string>
+    {
+        private readonly NotificationUserInputData[] _notificationUserInputData;
+
+        internal NotificationUserInput(NotificationUserInputData[] notificationUserInputData)
+        {
+            _notificationUserInputData = notificationUserInputData;
+        }
+
+        public string this[string key] => _notificationUserInputData.First(i => i.Key == key).Value;
+
+        public IEnumerable<string> Keys => _notificationUserInputData.Select(i => i.Key);
+
+        public IEnumerable<string> Values => _notificationUserInputData.Select(i => i.Value);
+
+        public int Count => _notificationUserInputData.Length;
+
+        public bool ContainsKey(string key)
+        {
+            return _notificationUserInputData.Any(i => i.Key == key);
+        }
+
+        public IEnumerator<KeyValuePair<string, string>> GetEnumerator()
+        {
+            return _notificationUserInputData.Select(i => new KeyValuePair<string, string>(i.Key, i.Value)).GetEnumerator();
+        }
+
+        public bool TryGetValue(string key, out string value)
+        {
+            foreach (var item in _notificationUserInputData)
+            {
+                if (item.Key == key)
+                {
+                    value = item.Value;
+                    return true;
+                }
+            }
+
+            value = null;
+            return false;
+        }
+
+        IEnumerator IEnumerable.GetEnumerator()
+        {
+            return GetEnumerator();
+        }
+    }
+}