Re: [WiX-users] Burn condition syntax and evaluation

2014-02-04 Thread Tobias Weigt
@Phill It seems I have managed to miss that one during my search. @John Maybe I was confused because BootstrapperApplication.Engine.StringVariables.Contains("MyVariable"); returns true after BootstrapperApplication.Engine.StringVariables["MyVariable"] = string.Empty; is executed, but it re

Re: [WiX-users] Burn condition syntax and evaluation

2014-02-04 Thread Phill Hogland
FYI The following thread also discussed 'confusion' on testing for a empty string in Burn conditions. http://windows-installer-xml-wix-toolset.687559.n2.nabble.com/ExePackage-DetectCondition-syntax-td7588157.html#a7588171 -- View this message in context: http://windows-installer-xml-wix-toolset

Re: [WiX-users] Burn condition syntax and evaluation

2014-02-04 Thread John Cooper
341-3434 x791011 jocoo...@jackhenry.com www.jackhenry.com -Original Message- From: Tobias Weigt [mailto:t.we...@datam.de] Sent: Tuesday, February 4, 2014 9:47 AM To: 'General discussion about the WiX toolset.' Subject: [WiX-users] Burn condition syntax and evaluation Okay, I

[WiX-users] Burn condition syntax and evaluation

2014-02-04 Thread Tobias Weigt
. Februar 2014 15:45 An: General discussion about the WiX toolset. Betreff: Re: [WiX-users] Burn condition syntax and evaluation Yes. See http://msdn.microsoft.com/en-us/library/aa368012.aspx WiX conditions follow the MSI syntax. -- John Merryweather Cooper Build & Install Engineer - ESA Jack H

Re: [WiX-users] Burn condition syntax and evaluation

2014-02-04 Thread John Cooper
enry.com -Original Message- From: Tobias Weigt [mailto:t.we...@datam.de] Sent: Tuesday, February 4, 2014 8:18 AM To: WiX Users Subject: [WiX-users] Burn condition syntax and evaluation Is there any documentation about the expression syntax and evaluation of conditions in Burn? I fou

[WiX-users] Burn condition syntax and evaluation

2014-02-04 Thread Tobias Weigt
Is there any documentation about the expression syntax and evaluation of conditions in Burn? I found, that comparison of empty strings "" does not behave as expected. Is this the intended behaviour? Using WiX 3.8.1128 the EvaluateCondition method returns the following values for "" op "" (where