Cancel button in nsDialogs

rthawley · 25th June 2012, 23:21

How do I tell if the Cancel button has been pressed in a nsDialogs dialogbox?

Afrow UK · 25th June 2012, 23:44

nsDialogs doesn't appear to have a built in handler so the best thing I can think of is to set a variable to 1 before ::Show and to 0 in the custom page's leave callback function (and in the previous page's pre callback function if there is a previous page). Then check the variable value in your abort callback function (set using MUI_CUSTOMFUNCTION_ABORT) to determine whether or not the user cancelled while on your custom page. Your other option is to write a plug-in which grabs the value of extra_parameters->abort (set to 1 after Cancel has been pressed).

Stu

T.Slappy · 26th June 2012, 09:35

This is often asked for feature. Maybe it will be added in next release.

MSG · 26th June 2012, 09:49

Quote:

Originally Posted by T.Slappy

Maybe it will be added in next release.

Why, are you planning to add it?

Anders · 26th June 2012, 10:24

You should really only make changes outside $pluginsdir on the instfiles page so IMHO catching cancel seems wrong...

T.Slappy · 27th June 2012, 06:07

Quote:

Originally Posted by MSG

Why, are you planning to add it?

Yes that's the plan, but there is too much items on my To-Do list

25th June 2012, 23:21	#1
rthawley Junior Member Join Date: Jun 2012 Posts: 6	Cancel button in nsDialogs How do I tell if the Cancel button has been pressed in a nsDialogs dialogbox?

26th June 2012, 09:35	#3
T.Slappy Major Dude Join Date: Jan 2006 Location: Slovakia Posts: 552	This is often asked for feature. Maybe it will be added in next release. Cool looking installers with custom design: www.graphical-installer.com Create Setup Pages easily: www.install-designer.com Build installers in Visual Studio 2005-2019: www.visual-installer.com or RAD Studio 2009, 2010, XE-10.4 Sydney: www.rad-installer.com

26th June 2012, 10:24	#5
Anders Moderator Join Date: Jun 2002 Location: ${NSISDIR} Posts: 5,337	You should really only make changes outside $pluginsdir on the instfiles page so IMHO catching cancel seems wrong... IntOp $PostCount $PostCount + 1

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25th June 2012, 23:44	#2
Afrow UK Moderator Join Date: Nov 2002 Location: Surrey, England Posts: 8,434	nsDialogs doesn't appear to have a built in handler so the best thing I can think of is to set a variable to 1 before ::Show and to 0 in the custom page's leave callback function (and in the previous page's pre callback function if there is a previous page). Then check the variable value in your abort callback function (set using MUI_CUSTOMFUNCTION_ABORT) to determine whether or not the user cancelled while on your custom page. Your other option is to write a plug-in which grabs the value of extra_parameters->abort (set to 1 after Cancel has been pressed). Stu