From c4d83136caeb9ebb2ff4105403c992cf88a2274c Mon Sep 17 00:00:00 2001
From: David Hall <dahall@byu.net>
Date: Sat, 21 Jan 2023 15:15:08 -0700
Subject: [PATCH] Added parameter attributes

---
 PInvoke/User32/WinUser.Icon.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/PInvoke/User32/WinUser.Icon.cs b/PInvoke/User32/WinUser.Icon.cs
index 0ede2a8a..3ef54c5c 100644
--- a/PInvoke/User32/WinUser.Icon.cs
+++ b/PInvoke/User32/WinUser.Icon.cs
@@ -958,7 +958,7 @@ namespace Vanara.PInvoke
 		// lpIconName );
 		[DllImport(Lib.User32, SetLastError = true, CharSet = CharSet.Auto)]
 		[PInvokeData("winuser.h", MSDNShortId = "loadicon")]
-		public static extern SafeHICON LoadIcon(HINSTANCE hInstance, string lpIconName);
+		public static extern SafeHICON LoadIcon([Optional] HINSTANCE hInstance, string lpIconName);
 
 		/// <summary>
 		/// <para>Loads the specified icon resource from the executable (.exe) file associated with an application instance.</para>
@@ -1048,7 +1048,7 @@ namespace Vanara.PInvoke
 		// lpIconName );
 		[DllImport(Lib.User32, SetLastError = true, CharSet = CharSet.Auto)]
 		[PInvokeData("winuser.h", MSDNShortId = "loadicon")]
-		public static extern SafeHICON LoadIcon(HINSTANCE hInstance, ResourceId lpIconName);
+		public static extern SafeHICON LoadIcon([Optional] HINSTANCE hInstance, ResourceId lpIconName);
 
 		/// <summary>
 		/// <para>Searches through icon or cursor data for the icon or cursor that best fits the current display device.</para>