From e0d9018bb4d8cb02f9c159804f9858a856527bcc Mon Sep 17 00:00:00 2001
From: Thomas Bluemel <thomas@reactsoft.com>
Date: Sun, 1 Jan 2006 13:45:09 +0000
Subject: [PATCH] Fixed calculating the size of empty message boxes. Fixes bug
 1224

svn path=/trunk/; revision=20511
---
 reactos/lib/user32/windows/messagebox.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/reactos/lib/user32/windows/messagebox.c b/reactos/lib/user32/windows/messagebox.c
index 559781114c3..3f5eda62431 100644
--- a/reactos/lib/user32/windows/messagebox.c
+++ b/reactos/lib/user32/windows/messagebox.c
@@ -493,7 +493,15 @@ MessageBoxTimeoutIndirectW(
       txtrect.right -= GetSystemMetrics(SM_CXICON) + MSGBOXEX_SPACING;
     txtrect.top = txtrect.left = txtrect.bottom = 0;
     SelectObject(hDC, hFont);
-    DrawTextW(hDC, text, textlen, &txtrect, DT_LEFT | DT_NOPREFIX | DT_WORDBREAK | DT_CALCRECT);
+    if (textlen != 0)
+    {
+      DrawTextW(hDC, text, textlen, &txtrect, DT_LEFT | DT_NOPREFIX | DT_WORDBREAK | DT_CALCRECT);
+    }
+    else
+    {
+      txtrect.right = txtrect.left + 1;
+      txtrect.bottom = txtrect.top + 1;
+    }
     txtrect.right++;
 
     /* calculate position and size of the icon */