This should fix most icon scaling issues

Improved the IniReader a bit and replaced some old code.

GreenshotPlugin/Core/Enums/SystemParametersInfoBehaviors.cs

@@ -0,0 +1,28 @@
+// Copyright (c) Dapplo and contributors. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+namespace GreenshotPlugin.Core.Enums
+{
+    /// <summary>
+    ///     If a system parameter is being set, specifies whether the user profile is to be updated, and if so, whether the
+    ///     WM_SETTINGCHANGE message is to be broadcast to all top-level windows to notify them of the change.
+    ///     This parameter can be zero if you do not want to update the user profile or broadcast the WM_SETTINGCHANGE message,
+    ///     or it can be one or more of the following values.
+    /// </summary>
+    public enum SystemParametersInfoBehaviors : uint
+    {
+        /// <summary>
+        ///     Do nothing
+        /// </summary>
+        None = 0x00,
+
+        /// <summary>Writes the new system-wide parameter setting to the user profile.</summary>
+        UpdateIniFile = 0x01,
+
+        /// <summary>Broadcasts the WM_SETTINGCHANGE message after updating the user profile.</summary>
+        SendChange = 0x02,
+
+        /// <summary>Same as SPIF_SENDCHANGE.</summary>
+        SendWinIniChange = SendChange
+    }
+}