"Simon Verona" <nom***@nomail.zzz> wrote in message
news:emRUmBLWGHA.4960@TK2MSFTNGP05.phx.gbl...
>I have an installer project for my VB.net application which as a custom
>action runs a silent installation of a third party software product.
>
> This however, generates an error if the application is already installed.
>
> I therefore want to check if the application is already installed before
> launching the setup.exe to install it.
>
> I know I use the "condition" property on the custom action - but what
> exactly do I put in as a condition if I want to check for a file existing
> and if it is to not run the setup.exe?
>
> Thanks in advance
> Simon
>
> --
> ================================
> Simon Verona
> Dealer Management Service Ltd
> Stewart House
> Centurion Business Park
> Julian Way
> Sheffield
> S9 1GD
>
> Tel: 0870 080 2300
> Fax: 0870 735 0011
>
>

"Vijay" <vi***@msdiscussions.com> wrote in message
news:en8ICnLWGHA.4212@TK2MSFTNGP02.phx.gbl...
> If a launch condition fails i.e the check returns false, you will get a
> message and setup will fail. This is how the installer works. If you are
> sure that administrators will install the application then you can put a
> registry key and then use that key to check if you are application is
> installed, in the launch condition. This will be easy, as you don't have
> to do custom actions for this. Let me know if you need more help
>
> VJ
>
> "Simon Verona" <nom***@nomail.zzz> wrote in message
> news:emRUmBLWGHA.4960@TK2MSFTNGP05.phx.gbl...
>>I have an installer project for my VB.net application which as a custom
>>action runs a silent installation of a third party software product.
>>
>> This however, generates an error if the application is already installed.
>>
>> I therefore want to check if the application is already installed before
>> launching the setup.exe to install it.
>>
>> I know I use the "condition" property on the custom action - but what
>> exactly do I put in as a condition if I want to check for a file existing
>> and if it is to not run the setup.exe?
>>
>> Thanks in advance
>> Simon
>>
>> --
>> ================================
>> Simon Verona
>> Dealer Management Service Ltd
>> Stewart House
>> Centurion Business Park
>> Julian Way
>> Sheffield
>> S9 1GD
>>
>> Tel: 0870 080 2300
>> Fax: 0870 735 0011
>>
>>
>
>

"Simon Verona" <nom***@nomail.zzz> wrote in message
news:unY1UDMWGHA.4212@TK2MSFTNGP03.phx.gbl...
> I'd like to put in a test to see if a specific file exists on the system -
> on the basis that if it is then the application is installed...  What
> exactly would I put in to achieve this ?
>
> Thanks
> Simon
>
> --
> ================================
> Simon Verona
> Dealer Management Service Ltd
> Stewart House
> Centurion Business Park
> Julian Way
> Sheffield
> S9 1GD
>
> Tel: 0870 080 2300
> Fax: 0870 735 0011
>
> "Vijay" <vi***@msdiscussions.com> wrote in message
> news:en8ICnLWGHA.4212@TK2MSFTNGP02.phx.gbl...
>> If a launch condition fails i.e the check returns false, you will get a
>> message and setup will fail. This is how the installer works. If you are
>> sure that administrators will install the application then you can put a
>> registry key and then use that key to check if you are application is
>> installed, in the launch condition. This will be easy, as you don't have
>> to do custom actions for this. Let me know if you need more help
>>
>> VJ
>>
>> "Simon Verona" <nom***@nomail.zzz> wrote in message
>> news:emRUmBLWGHA.4960@TK2MSFTNGP05.phx.gbl...
>>>I have an installer project for my VB.net application which as a custom
>>>action runs a silent installation of a third party software product.
>>>
>>> This however, generates an error if the application is already
>>> installed.
>>>
>>> I therefore want to check if the application is already installed before
>>> launching the setup.exe to install it.
>>>
>>> I know I use the "condition" property on the custom action - but what
>>> exactly do I put in as a condition if I want to check for a file
>>> existing and if it is to not run the setup.exe?
>>>
>>> Thanks in advance
>>> Simon
>>>
>>> --
>>> ================================
>>> Simon Verona
>>> Dealer Management Service Ltd
>>> Stewart House
>>> Centurion Business Park
>>> Julian Way
>>> Sheffield
>>> S9 1GD
>>>
>>> Tel: 0870 080 2300
>>> Fax: 0870 735 0011
>>>
>>>
>>
>>
>
>

"Vijay" <vi***@msdiscussions.com> wrote in message
news:ujnBRaMWGHA.840@TK2MSFTNGP04.phx.gbl...
> Simon...
>
> You don't have to put in a file check.., you can use the registry to
> create a Unique key with your company/prd name.. like that under HKLM when
> installing and as part of Launch check...you can check for this.. Registry
> is also guaranteed to be unique if you have company name in there... File
> Search, unless you are installing files at a specific location of your
> own, will hard to track, if user has different drive letter etc...
>
> I hope you can create a Reg key for a setup project...Assuming this is
> done... and you have created a key as
>
> HKLM\MyCompany\MyProduct\
>    Application Name - "MyProduct"
>    AppInstalled Path - [TARGETDIR]
>
> Here is how you can create a Launch check for the registery key...
>
> Creating Search Conditon..
> ==================
>
> In the launch condition window for setup project... Right click on the
> Search Target Machine.
> Choose Add Registery search..
> Set the following properties..for the Item
>
> (Name)    - RegMyProduct
> Property  - MyProductCheck
> RegKey -  SOFTWARE\MyCompany\MyProduct
> Root - vsdrrHKLM
> Value - Application Name
>
> In the same window... Right Click on Launch condtions...and Add Launch
> Condition.. set properties as below for the new item
>
> (Name)     -  MyNewProductCheck
> Condition -  MyProductCheck=""
> InstallURL - <Leave this empty>
> Message - <Custom Message to say your product is already installed>
>
> The above will make sure that your application won't install on machine
> already installed...
>
> HTH
> VJ
>
> "Simon Verona" <nom***@nomail.zzz> wrote in message
> news:unY1UDMWGHA.4212@TK2MSFTNGP03.phx.gbl...
>> I'd like to put in a test to see if a specific file exists on the
>> system - on the basis that if it is then the application is installed...
>> What exactly would I put in to achieve this ?
>>
>> Thanks
>> Simon
>>
>> --
>> ================================
>> Simon Verona
>> Dealer Management Service Ltd
>> Stewart House
>> Centurion Business Park
>> Julian Way
>> Sheffield
>> S9 1GD
>>
>> Tel: 0870 080 2300
>> Fax: 0870 735 0011
>>
>> "Vijay" <vi***@msdiscussions.com> wrote in message
>> news:en8ICnLWGHA.4212@TK2MSFTNGP02.phx.gbl...
>>> If a launch condition fails i.e the check returns false, you will get a
>>> message and setup will fail. This is how the installer works. If you are
>>> sure that administrators will install the application then you can put a
>>> registry key and then use that key to check if you are application is
>>> installed, in the launch condition. This will be easy, as you don't have
>>> to do custom actions for this. Let me know if you need more help
>>>
>>> VJ
>>>
>>> "Simon Verona" <nom***@nomail.zzz> wrote in message
>>> news:emRUmBLWGHA.4960@TK2MSFTNGP05.phx.gbl...
>>>>I have an installer project for my VB.net application which as a custom
>>>>action runs a silent installation of a third party software product.
>>>>
>>>> This however, generates an error if the application is already
>>>> installed.
>>>>
>>>> I therefore want to check if the application is already installed
>>>> before launching the setup.exe to install it.
>>>>
>>>> I know I use the "condition" property on the custom action - but what
>>>> exactly do I put in as a condition if I want to check for a file
>>>> existing and if it is to not run the setup.exe?
>>>>
>>>> Thanks in advance
>>>> Simon
>>>>
>>>> --
>>>> ================================
>>>> Simon Verona
>>>> Dealer Management Service Ltd
>>>> Stewart House
>>>> Centurion Business Park
>>>> Julian Way
>>>> Sheffield
>>>> S9 1GD
>>>>
>>>> Tel: 0870 080 2300
>>>> Fax: 0870 735 0011
>>>>
>>>>
>>>
>>>
>>
>>
>
>

"Simon Verona" <nom***@nomail.zzz> wrote in message
news:%23TDCicMWGHA.1084@TK2MSFTNGP04.phx.gbl...
> Thanks      I figured the relationship between "launch conditions" and
> "Custom action properties" just before your post.
>
> Thanks for taking the time - creating installers seems to be very poorly
> documented!
>
> Regards
> Simon
>
> --
> ================================
> Simon Verona
> Dealer Management Service Ltd
> Stewart House
> Centurion Business Park
> Julian Way
> Sheffield
> S9 1GD
>
> Tel: 0870 080 2300
> Fax: 0870 735 0011
>
> "Vijay" <vi***@msdiscussions.com> wrote in message
> news:ujnBRaMWGHA.840@TK2MSFTNGP04.phx.gbl...
>> Simon...
>>
>> You don't have to put in a file check.., you can use the registry to
>> create a Unique key with your company/prd name.. like that under HKLM
>> when installing and as part of Launch check...you can check for this..
>> Registry is also guaranteed to be unique if you have company name in
>> there... File Search, unless you are installing files at a specific
>> location of your own, will hard to track, if user has different drive
>> letter etc...
>>
>> I hope you can create a Reg key for a setup project...Assuming this is
>> done... and you have created a key as
>>
>> HKLM\MyCompany\MyProduct\
>>    Application Name - "MyProduct"
>>    AppInstalled Path - [TARGETDIR]
>>
>> Here is how you can create a Launch check for the registery key...
>>
>> Creating Search Conditon..
>> ==================
>>
>> In the launch condition window for setup project... Right click on the
>> Search Target Machine.
>> Choose Add Registery search..
>> Set the following properties..for the Item
>>
>> (Name)    - RegMyProduct
>> Property  - MyProductCheck
>> RegKey -  SOFTWARE\MyCompany\MyProduct
>> Root - vsdrrHKLM
>> Value - Application Name
>>
>> In the same window... Right Click on Launch condtions...and Add Launch
>> Condition.. set properties as below for the new item
>>
>> (Name)     -  MyNewProductCheck
>> Condition -  MyProductCheck=""
>> InstallURL - <Leave this empty>
>> Message - <Custom Message to say your product is already installed>
>>
>> The above will make sure that your application won't install on machine
>> already installed...
>>
>> HTH
>> VJ
>>
>> "Simon Verona" <nom***@nomail.zzz> wrote in message
>> news:unY1UDMWGHA.4212@TK2MSFTNGP03.phx.gbl...
>>> I'd like to put in a test to see if a specific file exists on the
>>> system - on the basis that if it is then the application is installed...
>>> What exactly would I put in to achieve this ?
>>>
>>> Thanks
>>> Simon
>>>
>>> --
>>> ================================
>>> Simon Verona
>>> Dealer Management Service Ltd
>>> Stewart House
>>> Centurion Business Park
>>> Julian Way
>>> Sheffield
>>> S9 1GD
>>>
>>> Tel: 0870 080 2300
>>> Fax: 0870 735 0011
>>>
>>> "Vijay" <vi***@msdiscussions.com> wrote in message
>>> news:en8ICnLWGHA.4212@TK2MSFTNGP02.phx.gbl...
>>>> If a launch condition fails i.e the check returns false, you will get a
>>>> message and setup will fail. This is how the installer works. If you
>>>> are sure that administrators will install the application then you can
>>>> put a registry key and then use that key to check if you are
>>>> application is installed, in the launch condition. This will be easy,
>>>> as you don't have to do custom actions for this. Let me know if you
>>>> need more help
>>>>
>>>> VJ
>>>>
>>>> "Simon Verona" <nom***@nomail.zzz> wrote in message
>>>> news:emRUmBLWGHA.4960@TK2MSFTNGP05.phx.gbl...
>>>>>I have an installer project for my VB.net application which as a custom
>>>>>action runs a silent installation of a third party software product.
>>>>>
>>>>> This however, generates an error if the application is already
>>>>> installed.
>>>>>
>>>>> I therefore want to check if the application is already installed
>>>>> before launching the setup.exe to install it.
>>>>>
>>>>> I know I use the "condition" property on the custom action - but what
>>>>> exactly do I put in as a condition if I want to check for a file
>>>>> existing and if it is to not run the setup.exe?
>>>>>
>>>>> Thanks in advance
>>>>> Simon
>>>>>
>>>>> --
>>>>> ================================
>>>>> Simon Verona
>>>>> Dealer Management Service Ltd
>>>>> Stewart House
>>>>> Centurion Business Park
>>>>> Julian Way
>>>>> Sheffield
>>>>> S9 1GD
>>>>>
>>>>> Tel: 0870 080 2300
>>>>> Fax: 0870 735 0011
>>>>>
>>>>>
>>>>
>>>>
>>>
>>>
>>
>>
>
>