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List:       ms-atl
Subject:    Re: Why are activex events not called?
From:       Chris Sells <csells () SELLSBROTHERS ! COM>
Date:       1998-12-31 16:56:42
[Download RAW message or body]


You didn't call AtlAdviseSinkMap(this, true) in WM_INITDIALOG or
AtlAdviseSinkMap(this, false) in WM_DESTROY.

Chris Sells
http://www.sellsbrothers.com

> -----Original Message-----
> From: ATL - Active Template Library [mailto:ATL@DISCUSS.MICROSOFT.COM]On
> Behalf Of Itay Lotan
> Sent: Thursday, December 31, 1998 5:10 AM
> To: ATL@DISCUSS.MICROSOFT.COM
> Subject: Why are activex events not called?
>
>
> I'm using VC++ 6.0 and ATL 3.0
> I'm writing a simle application that opens a dialog based on the ATL class
> CAxDialogImpl. To do that I use the "New Atl Object" wizard and choose a
> dialog. Then I add a the Calendar object onto the dialog and using the
> wizard add handlers for three events generated by the control. To
> my dismay,
> when I run the application and try to activate any of these events, my
> handlers are never called. Does anybody know what I did wrong?
> Here is my code for the dialog:
>
> class CCalander :
>         public CAxDialogImpl<CCalander>,
>         public IDispEventImpl<IDC_CALENDAR1, CCalander>
> {
> public:
>         CCalander()
>         {
>         }
>
>         ~CCalander()
>         {
>         }
>
>         enum { IDD = IDD_CALANDER };
>
> BEGIN_MSG_MAP(CCalander)
>         MESSAGE_HANDLER(WM_INITDIALOG, OnInitDialog)
>         COMMAND_ID_HANDLER(IDOK, OnOK)
>         COMMAND_ID_HANDLER(IDCANCEL, OnCancel)
> END_MSG_MAP()
>
>         LRESULT OnInitDialog(UINT uMsg, WPARAM wParam, LPARAM
> lParam, BOOL&
> bHandled)
>         {
>                 return 1;  // Let the system set the focus
>         }
>
>         LRESULT OnOK(WORD wNotifyCode, WORD wID, HWND hWndCtl, BOOL&
> bHandled)
>         {
>                 EndDialog(wID);
>                 return 0;
>         }
>
>         LRESULT OnCancel(WORD wNotifyCode, WORD wID, HWND hWndCtl, BOOL&
> bHandled)
>         {
>                 EndDialog(wID);
>                 return 0;
>         }
>         VOID __stdcall OnClickCalendar1()
>         {
>                 MessageBox("click");
>         }
>         VOID __stdcall OnDblClickCalendar1()
>         {
>                 MessageBox("dblclick");
>         }
>         VOID __stdcall OnKeyPressCalendar1(SHORT * KeyAscii)
>         {
>                 MessageBox("Keypressed");
>         }
> public :
>
> BEGIN_SINK_MAP(CCalander)
>         //Make sure the Event Handlers have __stdcall calling convention
>         SINK_ENTRY(IDC_CALENDAR1, DISPID_CLICK, OnClickCalendar1)
>         SINK_ENTRY(IDC_CALENDAR1, DISPID_DBLCLICK, OnDblClickCalendar1)
>         SINK_ENTRY(IDC_CALENDAR1, DISPID_KEYPRESS, OnKeyPressCalendar1)
> END_SINK_MAP()
>
> };
>
> TIA, Itay
>
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