From 473f7e1445036d44350493d464502d1c2f1d9012 Mon Sep 17 00:00:00 2001
From: rkagerer <richardk@leapbeyond.com>
Date: Sun, 12 Jul 2020 10:33:45 -0700
Subject: [PATCH] Null check in PremultiplyBitmap()

Blind attempt to eliminate a crash which seems to occur when PremultiplyBitmap() is called after LoadImage() fails.
I'm hoping this might fix the issue reported here: https://github.com/Open-Shell/Open-Shell-Menu/issues/400
---
 Src/Lib/ResourceHelper.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Src/Lib/ResourceHelper.cpp b/Src/Lib/ResourceHelper.cpp
index 76b2d40..3ab4651 100644
--- a/Src/Lib/ResourceHelper.cpp
+++ b/Src/Lib/ResourceHelper.cpp
@@ -332,6 +332,7 @@ HBITMAP BitmapFromIcon( HICON hIcon, int iconSize, unsigned int **pBits, bool bD
 // Premultiplies a DIB section by the alpha channel and a given color
 void PremultiplyBitmap( HBITMAP hBitmap, COLORREF rgb )
 {
+	if (hBitmap == NULL) return;
 	BITMAP info;
 	GetObject(hBitmap,sizeof(info),&info);
 	int n=info.bmWidth*info.bmHeight;