"Linda Liu[MSFT]" <v-l***@online.microsoft.com> wrote in message
news:0WtQ9o3GIHA.5176@TK2MSFTNGHUB02.phx.gbl...
> Hi Tim,
>
> I assume that the ActiveX Html Editor control you refer to is the HTML
> Editor ActiveX control described in the following link:
> http://nbit.net.au/vpages.aspx?ID=HTML%20Editor%20OCX
>
> I performed a test on this HTML Editor ActiveX control in my WinForm
> application and did reproduce the problem. Even if I set the KeyPreview
> property of the form to true, the KeyDown event of the form doesn't get
> fired when I press any key while the HTML Editor ActiveX control gets
> focused.
>
> I performed a test on Microsoft Web Browser ActiveX control and confirmed
> that this problem doesn't exist on the Microsoft Web Browser ActiveX
> control. So it seems that the problem doesn't exist on all unmanaged
> control used in .NET programs.
>
> When we add the HTML Editor ActiveX control into the Toolbox and drag it
> onto a WinForm, VS IDE creates a wrapper class for this unmanaged control,
> named AxrmpHTML.AxHTMLed. This class has exposed an event called
> PreviewKeyDown. In fact, when we press any key when the HTML Editor
> ActiveX
> control is focused, this PreviewKeyDown event is fired.
>
> So a workaround of this problem is to set the KeyPreview property of the
> form to true and handle the PreviewKeyDown event of the HTML Editor
> ActiveX
> control. In this event handler, call the form's OnKeyDown method to get
> the
> form's KeyDown event fired.
>
> The following is a sample to do this:
>
> public partial class Form1 : Form
> {
>        public Form1()
>        {
>            InitializeComponent();
>
>            this.KeyPreview = true;
>            this.KeyDown += new KeyEventHandler(Form1_KeyDown);
>            this.axHTMLed1.PreviewKeyDown += new
> PreviewKeyDownEventHandler(axHTMLed1_PreviewKeyDown);
>        }
>
>        void axHTMLed1_PreviewKeyDown(object sender,
> PreviewKeyDownEventArgs e)
>        {
>           this.OnKeyDown(new KeyEventArgs(e.KeyCode));
>        }
>
>        void Form1_KeyDown(object sender, KeyEventArgs e)
>        {
>            Console.WriteLine("Form keydown:" + e.KeyCode.ToString());
>        }
> }
>
> Hope this helps.
> If you have any question, please feel free to let me know.
>
> Sincerely,
> Linda Liu
> Microsoft Online Community Support
>
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"Linda Liu[MSFT]" <v-l***@online.microsoft.com> wrote in message
news:8TPlCvGHIHA.540@TK2MSFTNGHUB02.phx.gbl...
> Hi Tim,
>
> Thank you for your prompt response!
>
>>  unfortunately the ActiveX editor i'm using doesn't expose a
> PreviewKeyDown property, or any keyboard events
>
> I mean the PreviewKeyDown event, not property.
>
> In fact, the PreviewKeyDown event I mentioned is derived from the
> System.Windows.Forms.Control class, because the wrapper class generated
> for
> the unmanaged ActiveX control is derived from the
> System.Windows.Forms.AxHost class, which is in turn derived from the
> System.Windows.Forms.Control class.
>
>> the editor you posted is developed by NBit, the one i'm using is from
> XStandard.
>
> Do you mean you're using XStandard Lite(Win/OS x)?
>
> I have downloaded the XStandard Lite(Win/OS x) from the following link:
> http://xstandard.com/en/downloads/
> and installed it on my machine.
>
> I add the XStandard ActiveX control into Toolbox and drag this ActiveX
> control from Toolbox onto a form. VS IDE generates a wrpper class named
> AxXStandard.AxXHTMLEditor derived from the AxHost class.
>
> Now the resulted control named axXHTMLEditor1 has a PreviewKeyDown event,
> which we could subscribe to get notified when any key is press while the
> ActiveX control gets focused.
>
> Hope this helps.
> If you have anything unclear, please feel free to let me know.
>
> Sincerely,
> Linda Liu
> Microsoft Online Community Support
>