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ControlHostClick fires 2 X (Read 4042 times)

Kurt YaBB Newbies Offline 48�32'N 8�1'E Posts: 10 Location: Germany Joined: Oct 24^th, 2005	ControlHostClick fires 2 X Oct 24^th, 2005 at 11:53am	Print Post
	The ControlHostClick event of the flowchart fires twice, when the controlhost hosts a combobox (appently once at MouseDown and once at MouseUp). Is this a bug? If not, how can I distinguish the two events?


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Stoyo God Member Offline MindFusion support Posts: 13230 Joined: Jul 20^th, 2005	Re: ControlHostClick fires 2 X Reply #1 - Oct 24^th, 2005 at 12:59pm	Print Post
	The ControlHostClick event is raised each time the MouseUp event of the hosted control is raised. So if you get ControlHostClick twice, probably the combo.MouseUp was fired twice. However we tested this here and cannot reproduce this behavior with a System.Windows.Forms.ComboBox control. Do you use the standard .NET combo box or a third party one ?


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Stoyo God Member Offline MindFusion support Posts: 13230 Joined: Jul 20^th, 2005	Re: ControlHostClick fires 2 X Reply #2 - Oct 24^th, 2005 at 1:01pm	Print Post
	and what's the ControlHost.HostMouseAction value ?


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Kurt YaBB Newbies Offline 48�32'N 8�1'E Posts: 10 Location: Germany Joined: Oct 24^th, 2005	Re: ControlHostClick fires 2 X Reply #3 - Oct 25^th, 2005 at 6:00am	Print Post
	I use standard .NET 2.0 combo box. The value of ControlHost.CtrlMouseAction = EHostMouseAction.hmaIgnoreControl. Only with this value the event fires twice. With hmaSelectHost all is ok. I use hmaIgnoreControl, because with this value I can multiselect controls with CTRL+Left Mouseclick (this works fine with most controls, but not with LinkLabel and ListView).


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Stoyo God Member Offline MindFusion support Posts: 13230 Joined: Jul 20^th, 2005	Re: ControlHostClick fires 2 X Reply #4 - Oct 25^th, 2005 at 6:29am	Print Post
	Ok I guess with hmaIgnoreControl the combo box could not be ignored successfully, e.g. the flowchart could not acquire the mouse capture from it. We will add some check for the hmaIgnoreControl value when handling the hosted control's MouseUp event. Anyway we have already implemented multiple selection for control hosts using Ctrl+Click. That will be released with version 4 of FlowChart.NET in a couple of weeks, but I can send you our daily build of the dll if you need that sooner. Just drop a line to our support email address ...


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