From 31d32495f06a4e6999b702f23a5cf88a757f0fbc Mon Sep 17 00:00:00 2001
From: jiajia_deng <2894220@gmail.com>
Date: Fri, 4 May 2018 12:00:29 +0800
Subject: [PATCH] Fixed bug to create shadow for window

Signed-off-by: jiajia_deng <2894220@gmail.com>
---
 DuiLib/Utils/WndShadow.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/DuiLib/Utils/WndShadow.cpp b/DuiLib/Utils/WndShadow.cpp
index c776f0f8..09df47f5 100644
--- a/DuiLib/Utils/WndShadow.cpp
+++ b/DuiLib/Utils/WndShadow.cpp
@@ -403,7 +403,7 @@ void CWndShadow::MakeShadow(UINT32 *pShadBits, HWND hParent, RECT *rcParent)
 	// The algorithm is optimized by assuming parent window is just "one piece" and without "wholes" on it
 
 	// Get the region of parent window,
-	HRGN hParentRgn = CreateRectRgn(0, 0, 0, 0);
+	HRGN hParentRgn = CreateRectRgn(0, 0, rcParent->right - rcParent->left, rcParent->bottom - rcParent->top);
 	GetWindowRgn(hParent, hParentRgn);
 
 	// Determine the Start and end point of each horizontal scan line