From 8cda4a8d90c771bc677096ac944ea1a9605da696 Mon Sep 17 00:00:00 2001
From: Rob Shearman <rob@codeweavers.com>
Date: Thu, 31 Jan 2008 14:47:14 +0000
Subject: [PATCH] comctl32: In certain circumstances, native comctl32's
 animation control accepts negative start positions for the ACM_PLAY message.

These circumstances seems to be after a seek is performed, but we play
it safe and allow negative start positions to be treated as zero always.
---
 dlls/comctl32/animate.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/dlls/comctl32/animate.c b/dlls/comctl32/animate.c
index d6c84daaadf..83433899dd5 100644
--- a/dlls/comctl32/animate.c
+++ b/dlls/comctl32/animate.c
@@ -434,6 +434,10 @@ static LRESULT ANIMATE_Play(ANIMATE_INFO *infoPtr, UINT cRepeat, WORD wFrom, WOR
     TRACE("(repeat=%d from=%d to=%d);\n",
 	  infoPtr->nLoop, infoPtr->nFromFrame, infoPtr->nToFrame);
 
+    if (infoPtr->nFromFrame >= infoPtr->mah.dwTotalFrames &&
+        (SHORT)infoPtr->nFromFrame < 0)
+        infoPtr->nFromFrame = 0;
+
     if (infoPtr->nFromFrame > infoPtr->nToFrame ||
 	infoPtr->nToFrame >= infoPtr->mah.dwTotalFrames)
 	return FALSE;