On Wednesday 13 November 2013 12:26:18 Ivanko B wrote:
> It seems that you set enabled:= false of the widget which currently has
> input ==================
> The code doesn't enter here whan the issue occurs (looks for HERE below):
> --------------
> procedure twidget.enabledchanged;
> var
> int1: integer;
> bo1: boolean;
> begin
> bo1:= isenabled;
> if not bo1 then begin
> if focused then begin
> window.setfocusedwidget(nil); // << HERE
> end;
> end;
> if fframe <> nil then begin
> if bo1 or not (frl_nodisable in fframe.flocalprops) then begin
> fframe.setdisabled(not bo1);
> end;
> end;
> for int1:= 0 to widgetcount - 1 do begin
> widgets[int1].enabledchanged;
> end;
> statechanged;
> end;
See the stack:
"
And how it gets in CanClose :
===========================
#0 00602846 receditform.pas:222
TRECEDITFO__CLOSEQUERY(SENDER=0x6755a08, AMODALRESULT=MR_CANCLOSE,
this=<error reading variable>)
#1 00435CB6 mseforms.pas:1085 TCUSTOMMSEFORM__CANCLOSE(NEWFOCUS=0x0,
this=<error reading variable>)
#2 004229FE msegui.pas:9800 TWIDGET__INTERNALDOEXIT(this=<error
reading variable>)
if (ow1_canclosenil in foptionswidget1) then begin
if not canclose(nil) then begin
exit;
end;
end;
#3 0042B2E7 msegui.pas:13706 TWINDOW__SETFOCUSEDWIDGET(WIDGET=0x0,
this=<error reading variable>)
#4 0041DB87 msegui.pas:7611 TWIDGET__ENABLEDCHANGED(this=<error
reading variable>)
if focused then begin
window.setfocusedwidget(nil);
end;
#5 004D0071 msewidgets.pas:4971
TACTIONWIDGET__ENABLEDCHANGED(this=<error reading variable>)
#6 0041DC0C msegui.pas:7620 TWIDGET__ENABLEDCHANGED(this=<error
reading variable>)
#7 004D0071 msewidgets.pas:4971
TACTIONWIDGET__ENABLEDCHANGED(this=<error reading variable>)
#8 00424B8F msegui.pas:10820 TWIDGET__SETENABLED(VALUE=false,
this=<error reading variable>)
#9 0060259B receditform.pas:150
TRECEDITFO__WIDGETSDISABLE(ENABLED_TAG=1, this=<error reading
variable>)
if widgets[i].tag <> enabled_tag then begin
widgets[i].enabled:= false; // widgets with tag=1
will stay enabled
end;
"
> ---------------------------
> What else to look in the "Watches" window at this source line ?
>
Nothing, I know what happens. Defocusing is reported to the form because
ow1_canclosenil is set.
Martin
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