Check whether form handle been created(#650)

Signed-off-by: Syrone Wong <wong.syrone@gmail.com>
2016-08-10 14:15:48 +08:00
parent 50de65624c
commit 4795340999
1 changed files with 1 additions and 1 deletions
@@ -76,7 +76,7 @@ namespace Shadowsocks.View

            try
            {
-                if (trafficChart.InvokeRequired)
+                if (trafficChart.InvokeRequired && trafficChart.IsHandleCreated)
                {
                    trafficChart.Invoke(new Action(() =>
                    {