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Is %cc invoked when 'X' is clicked?

 
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eric_carwardine



Joined: 13 Jun 2009
Posts: 70
Location: Perth, Western Australia
PostPosted: Sat Mar 29, 2014 4:01 am    Post subject: Is %cc invoked when 'X' is clicked? Reply with quote
G'day, folks Very Happy

Is the %cc call-back function invoked when the 'X' is clicked? That's the (on my Windows) white 'X' on a red background displayed in the extreme right corner of the caption bar.

Eric
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Wilfried Linder



Joined: 14 Nov 2007
Posts: 314
Location: Düsseldorf, Germany
PostPosted: Sat Mar 29, 2014 8:00 am    Post subject: Reply with quote
Eric, %cc starts the callback function before the window is closed. The function for instance may close all files you have used. The return value should be 0. A small example:

Code:
WINAPP
PROGRAM TEST

IMPLICIT NONE
INCLUDE <WINDOWS.INS>

external       finish
integer*4      j

j = winio@('%ca[TEST]%cc&',finish)
j = winio@('%`gr[full_mouse_input,rgb_colours]',600L,400L,1L)
end

integer*4 function finish()
!
!
!     close all files etc.
!
!
finish = 0
end

Regards - Wilfried
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eric_carwardine



Joined: 13 Jun 2009
Posts: 70
Location: Perth, Western Australia
PostPosted: Sat Mar 29, 2014 9:47 am    Post subject: Re: Reply with quote
Wilfried Linder wrote:
Eric, %cc starts the callback function before the window is closed.


Thankyou, Wilfried! Very Happy

Am I correct in assuming that the callback function is started regardless of the manner of closing, be it by clicking on 'X', 'EXIT', etc?

Eric
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Wilfried Linder



Joined: 14 Nov 2007
Posts: 314
Location: Düsseldorf, Germany
PostPosted: Sat Mar 29, 2014 4:01 pm    Post subject: Reply with quote
Yes, you're right. See also this link:

http://www.silverfrost.com/ftn95-help/clearwinp/d8attrib/closurecontrolformat__cc.aspx

Wilfried
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