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1. Inno setup check if already installed install#
2. Inno setup check if already installed skin#
3. Inno setup check if already installed code#
4. Inno setup check if already installed windows#

Inno setup check if already installed skin#

Inno Setup Script - AppName = MyApp AppVerName = MyApp v1.0 OutputBaseFilename = MyApp_v1 DefaultDirName = \OLScan.dll')) if ok then begin MsgBox('MS Outlook is loaded - please close MS Outlook before proceeding.My application setup creates a new directory for log files the app will write. Introduction As part of the VCL Styles Utils project, I made a plugin (dll) to skin the installers created by Inno setup.

Inno setup check if already installed install#

However when I try and use it in Inno Setup script it only works for the install phase of the program and fails on the un-install with the error message "Runtime Error (at5:16) Could not call proc." I have included my Inno Setup script which compiles without error.Ĭould someone please help me understand why the DLL call fails during the un-install phase? Instructs Setup to save installation settings to the specified file. Don't forget to use quotes if the filename contains spaces. This file can be prepared using the '/SAVEINF' command as explained below. It does lead byte checking on all filename and constant parsing. Instructs Setup to load the settings from the specified file after having checked the command line. If Inno thinks that it should be installed, however, it then gives the Check function a chance to veto it. If Inno has already decided that the entry shouldn't be installed, then there's no point in calling the Check function - nothing it can do would change Inno's mind. Inno Setup will then ask you if you want to create a. isxdl - contains the downloader DLL for the setup (if there is something to download) and its language files (e.g. After installing, fire-up your Inno Setup from the start menu 4.

Inno setup check if already installed code#

products.pas - contains the actual code of products.iss. products.iss - contains the shared code for the product scripts.

Use CurrentFileName to check for which file the function is called. The Check function acts as a sort of tiebreak, in effect. net 4.5 Is Installed src - contains the application files of your program.

A check function for a Files section entry using a wildcard but not the external flag is called once per file matching the wildcard, instead of once per entry. I have tested this dll from a separate exe and it works. When this directive is yes, the default, at startup Setup will look in the registry to see if the same application is already installed, and if so. When I install a new version of my application without uninstalling the old version. A check function isn't called if Setup already determined the entry shouldn't be processed. This DLL exposes a single function using the 'stdcall' calling convention and it returns a Boolean. Add the following code section to the install script. while making the setup file Inno SETUP.Click on new folder,click on the url,then click on edit and name the subfolder which you want to include in installation.

Inno setup check if already installed windows#

I have written a small win32 DLL called 'OLScan.dll' which is able to check if MS Outlook is currently running. To check that DotNet framework is installed during an Inno install. Inno Setup Help, INI on an entry and the system's Windows directory is 'C:\WINDOWS', Setup or Uninstall will translate it to 'C:\WINDOWS\MYPROG.