TListBox refinement

[Enrico Maria Giordano]

The following sample shows that the Return key is not trapped by bKeyDown codeblock:

Code: Select all  Expand view

#include "Fivewin.ch"


FUNCTION MAIN()

    LOCAL oDlg

    LOCAL oLbx

    LOCAL cVar := ""

    DEFINE DIALOG oDlg

    @ 1, 1 LISTBOX oLbx VAR cVar ITEMS { "Bert", "Carl", "William" }

    oLbx:bKeyDown = { | nKey | MsgInfo( nKey ) }

    @ 3, 1 BUTTON "&Close" ACTION oDlg:End()

    ACTIVATE DIALOG oDlg;
             CENTER

    RETURN NIL

A possible solution is to add the following method to TListBox class:

Code: Select all  Expand view

METHOD HandleEvent( nMsg, nWParam, nLParam ) CLASS TListBox

   if nMsg == WM_GETDLGCODE .and. nWParam == VK_RETURN
      ::oWnd:nLastKey := VK_RETURN
      return Super:KeyDown( nWParam, nLParam )
   endif

return Super:HandleEvent( nMsg, nWParam, nLParam )

EMG

[James Bott]

Enrico,

It is curious that if you put the listbox on a Window then the Enter key can be trapped with bKeydown. I have not figured out why this is.

James

[Enrico Maria Giordano]

Enrico,

It is curious that if you put the listbox on a Window then the Enter key can be trapped with bKeydown. I have not figured out why this is.

James

I don't know either.

By the way: you look great!

EMG

[Antonio Linares]

Enrico,

WM_GETDLGCODE doesn't supply any parameters. Is it an undocumented feature that the keystroke is provided ? Thanks,

[Enrico Maria Giordano]

I don't know, sorry, but it works.

EMG

[Antonio Linares]

Enrico,

ok, added

Thanks!

[Enrico Maria Giordano]

Thank you!

EMG