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founoflife
Level 4
‎Oct 11, 2011 04:26 AM

For a BasicMSI project, is it possible to define on-load event for a dialog?

Hi,

After jumping to a new dialog, I want to do a CA automatically, without any end user operation, e.g. clicking button.
In the dialog before this one, I tried to put "NewDialog" before "DoAction", but the new dialog was not opened untill the CA was finished.

Is there any solution for this? Thanks.
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Cary_R
Level 11
‎Oct 13, 2011 02:46 PM

Hi There,

I think your only real option is an Asychronous custom action that waits for the window title to appear, and then take some action.

It will take some coding, however. Read up on FindWindow()
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Christopher_Pai
Level 16
‎Oct 13, 2011 03:06 PM

Before I suggest a way-off-road solution, it would help to better understand what this custom action is going to do in the first place.
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founoflife
Level 4
‎Oct 16, 2011 08:04 PM

Cary R wrote:
Hi There,

I think your only real option is an Asychronous custom action that waits for the window title to appear, and then take some action.

It will take some coding, however. Read up on FindWindow()


Thank you. I will try it.
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founoflife
Level 4
‎Oct 16, 2011 08:10 PM

Christopher Painter wrote:
Before I suggest a way-off-road solution, it would help to better understand what this custom action is going to do in the first place.


The CA scans registry to find if there is any conflict between the installed software and the software that is going to be installed.
Originally, it was performed after end user clicks the "Next" button in the last dialog. Then they want the CA to be performed as soon as the current dialog is opened.
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Christopher_Pai
Level 16
‎Oct 16, 2011 08:17 PM

Is there a reason you can't use System Search ( AppSearch and Reglocator tables ) and Setup Conditions (Launch Conditions) to do the same task?
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founoflife
Level 4
‎Oct 17, 2011 02:17 AM

To be honest, my IS knowledge is limited. I have never heard about the search method you mentioned before.

The general idea of my IS project is:
1. Check software conflict.
2. User specifies installation information.
3. Start to install.

AppSearch is located in the beginning of installation sequence, but the installation sequence will not be started until the user clicks the "Install" button in "ReadyToInstall" dialog. Right?
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