[Modify] Polish it

This commit is contained in:
sta 2021-10-26 19:34:42 +09:00
parent b71e7263c3
commit 32622b71e5

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@ -1015,6 +1015,7 @@ namespace WebSocketSharp.Server
{
if (_websocket == null) {
var msg = "The current state of the connection is not Open.";
throw new InvalidOperationException (msg);
}