Subject Re: extcombobox From Mustansir Ghor <mustan31@hotmail.com> Date Tue, 21 Jun 2022 06:04:21 -0400 Newsgroups dbase.getting-started Dear Ken Sir Thank you so much Yes you are right. We had passed through this but sometimes dont recall. Best regards Mustansir Ken Mayer Wrote: > On 6/19/2022 9:43 AM, Mustansir Ghor wrote: > > Dear Andy > > > > Thank you. > > > > when you said this, "Then you are free to add or remove whatever code you want to." Is this a reference to the renamed cc file?  So that will mean that in the renamed cc file the we can add to existing code of function extcombox_onchange() method. > > The idea behind making a copy of the .cc file is that at that point it > is your version of the software. If you want to go a different route, > see below. > > > > > I think the above does not imply inheritance. Or may be I am wrong. > > Another option might be to create a .cc file with constructor code of > (NOTE: this should NOT be placed in the dUFLP folder, it should be in > some folder with your own Custom Class files ...): > > set procedure to :dUFLP:ExtCombobox.cc > class MG_ExtCombobox( oForm ) of ExtCombobox( oForm ) custom > > /* >     Here you are using full inheritance: you can modify the way >     the onChange() event handler works, and still inherit everything >     else from the original source code. > */ > > endclass > > > I hope that helps. > > Ken > > -- > *Ken Mayer* > Ken's dBASE Page: http://www.goldenstag.net/dbase > The dUFLP: http://www.goldenstag.net/dbase/index.htm#duflp > dBASE Books: http://www.goldenstag.net/dbase/Books/dBASEBooks.htm > dBASE Tutorial: http://www.goldenstag.net/dbase/Tutorial/00_Preface.htm > dBASE Web Tutorial: http://www.goldenstag.net/dbase/WebTutorial/00_Menu.htm