From 63c9412922be78ade412b2e4738ed0e0fb0505ec Mon Sep 17 00:00:00 2001
From: Vadim Pisarevsky <vadim.pisarevsky@itseez.com>
Date: Wed, 10 Oct 2012 23:05:15 +0400
Subject: [PATCH] enable huge value range in highgui sliders on Windows (patch
 #941)

---
 modules/highgui/src/window_w32.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/modules/highgui/src/window_w32.cpp b/modules/highgui/src/window_w32.cpp
index 29cdda8e2..02c69115c 100644
--- a/modules/highgui/src/window_w32.cpp
+++ b/modules/highgui/src/window_w32.cpp
@@ -2296,7 +2296,8 @@ icvCreateTrackbar( const char* trackbar_name, const char* window_name,
     trackbar->maxval = count;
 
     /* Adjust slider parameters */
-    SendMessage(trackbar->hwnd, TBM_SETRANGE, (WPARAM)TRUE, (LPARAM)MAKELONG(0, count));
+    SendMessage(trackbar->hwnd, TBM_SETRANGEMIN, (WPARAM)TRUE, (LPARAM)0);
+    SendMessage(trackbar->hwnd, TBM_SETRANGEMAX, (WPARAM)TRUE, (LPARAM)count);
     SendMessage(trackbar->hwnd, TBM_SETTICFREQ, (WPARAM)1, (LPARAM)0 );
     if( val )
         pos = *val;