Adding a Custom Action

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Various combinations of the attributes for this element correspond to different custom action types. In that case, the text node contains the script to embed. That binary stream contains wix custom action binary trading custom action for use during install.

The custom action will not be installed into a target directory. This attribute is typically used with the DllEntry attribute to specify the custom action DLL to use for a type 1 custom action, with the ExeCommand attribute to specify a type 17 custom action that runs an embedded executable, or with the VBScriptCall or JScriptCall attributes to specify a type 5 or 6 custom action. Directory String This attribute specifies a reference to a Directory element with matching Id attribute containing a directory wix custom action binary trading.

This attribute is typically used with the ExeCommand attribute to wix custom action binary trading the source executable for a type 34 custom action, or with the Value attribute to specify a formatted string to place in the specified Directory table entry in a type 35 custom action. DllEntry String This attribute specifies the name of a function in a custom action to execute.

This attribute is used with the BinaryKey attribute to create a type 1 custom action, or with the FileKey attribute to create a type 17 custom action. Error String This attribute specifies an index in the MSI Error table to use as an error message for a type 19 custom action that displays the error message and aborts a product's installation.

ExeCommand String This attribute specifies the command line parameters to supply to an externally run executable. This attribute is typically used with the BinaryKey attribute for a type 2 custom action, the FileKey attribute for a type 18 custom action, the Property attribute for a type 50 custom action, or the Directory attribute for a type 34 custom action that specify the executable to run.

Execute Enumeration This attribute indicates the scheduling of the custom action. This attribute's value must be one of the following: This wix custom action binary trading the default. FileKey String This attribute specifies a reference to a File element with matching Id attribute that will execute the custom action code in the file after the file is installed.

This attribute is typically used with the ExeCommand attribute to specify a type 18 custom action that runs an installed executable, with the DllEntry attribute to specify an installed custom action DLL to use for a type 17 custom action, or with the VBScriptCall or JScriptCall attributes to specify a type 21 or 22 custom action.

Impersonate YesNoType This attribute specifies whether the Windows Installer, which executes as LocalSystem, should impersonate the user context of the installing user when executing this custom action. Typically the value should be 'yes', except when the custom action needs elevated privileges to apply changes to the machine.

The script must be provided in a Wix custom action binary trading element identified by the BinaryKey attribute described above. In other words, this attribute must be specified in conjunction with the BinaryKey attribute. PatchUninstall YesNoType This attribute specifies that the Windows Installer, execute the custom action only when a patch is being uninstalled.

Property String This attribute specifies a reference to a Property element with matching Id attribute that specifies the Property to be used or updated on execution of this custom action.

This attribute is typically used with the Value attribute to create a type 51 custom action that parses the text in Value and places it into the specified Property. This attribute is also used with the ExeCommand attribute to create a type 50 custom action that uses the value of the given property to specify the path to the executable.

Type 51 custom actions are often wix custom action binary trading to pass values to a deferred custom action.

Return Enumeration Set this attribute to set the return behavior of the custom action. Script Enumeration Creates a type 37 or 38 custom action. The text of the element should contain the script to be embedded in the package. This should only be necessary for table-driven custom actions because the table name which they interact with cannot be modularized, so there can only be one instance of the wix custom action binary trading. TerminalServerAware YesNoType This attribute specifies controls whether the custom action will impersonate the installing user during per-machine installs on Terminal Server machines.

Deferred execution custom actions that do not specify this attribute, or explicitly set it 'no', will run with no user impersonation on Terminal Server machines during per-machine installations. This attribute is only applicable when installing on the Windows Server family. Value String This attribute specifies a string value to use in the custom action. This attribute must be used with the Property attribute to set the property as part of a type 51 custom action or with the Directory attribute to set a directory path in that table wix custom action binary trading a type 35 custom action.

The value can be a literal value or derived from a Property element using the Formatted syntax. Win64 YesNoType Specifies that a script custom action targets a bit platform. The default value is based on the platform set by the -arch switch to candle. For x86 wix custom action binary trading ARM, the default value is 'no'.

For x64 and IA64, the default value is 'yes'. Schema extensions can register additional attributes at this point in the schema. This attribute is a reference to a Binary element with matching Id attribute. This attribute specifies a reference to a Directory element with matching Id attribute containing a directory path. This attribute specifies the name of a function in a custom action to execute.

This attribute specifies an index wix custom action binary trading the MSI Error table to use as an error message for a type 19 custom action that displays the error message and aborts a product's installation. This attribute specifies the command line parameters to supply to an externally run executable. This attribute indicates the scheduling of the custom action. This attribute specifies a reference to a File element with matching Id attribute that will execute the custom action code in the file after the file is installed.

This attribute specifies whether the Windows Installer, which executes as LocalSystem, should impersonate the user context of the installing user when executing this custom action. This attribute specifies the name of the JScript function to execute in a script. This attribute specifies that the Windows Installer, execute the custom wix custom action binary trading only when a patch wix custom action binary trading being uninstalled.

This attribute specifies a reference to a Wix custom action binary trading element with matching Id attribute that specifies the Property to be used or updated on execution of this custom action.

Set this attribute to set the return behavior of the custom action. Creates a type 37 or 38 custom action. Use to suppress modularization of this custom action name in merge modules. This attribute specifies controls whether the custom action will impersonate the installing user during per-machine installs on Terminal Server machines. This attribute specifies a string value to use in the custom action.

This attribute specifies the name of the VBScript Subroutine to execute in a script. Specifies that a script custom action targets a bit platform.

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Although standard actions are sufficient to execute an installation in most cases, custom actions enable the author of an installation package to extend the capabilities of standard actions by including executables, dynamic-link libraries, and script. Custom actions cannot be used in the sequence tables used for advertisement: Concurrent Installations, also called Nested Installations, is a deprecated feature of the Windows Installer.

Do not use concurrent installations to install products that are intended to be released to the public. Because a custom action can be scheduled in both the UI and execute sequence tables, and can be executed either in the service or client process, a custom action can potentially execute multiple times. This table describes the bit flags in the Type column of the CustomAction table and their meaning:.

Use the following option flags to specify that the installer not write the value entered into the Target field of the CustomAction table into the log. You can use the following option flags to specify the in-script execution of custom actions. These options copy the action code into the execution, rollback, or commit script. The flags are used to specify that the main and custom action threads run synchronously Windows Installer waits for the custom action thread to complete before resuming the main installation thread , or asynchronously Windows Installer runs the custom action simultaneously while the main installation continues.

The following error codes can be returned from the DLL custom action. For EXE custom actions zero value means success and any other value indicates an error. The Source column in the CustomAction table contains the key to the record in the Binary table. All return processing, execution scheduling, and in-script execution options apply. Entry point to the custom action receives the handle to the installation session. During execution of deferred custom action, session may no longer exist.

To get the value of properties use CustomActionData property. First, we add MyCA. We also add a custom action of Type 1 to the CustomAction table. DllEntry attribute specifies the name of the entry point function in the dll.

The last thing to do is to schedule our custom action in all required sequence tables. Calls an executable stored in the Binary table. The Target column in the CustomAction table contains the command line string for the executable. ExeCommand attribute specifies the command line string for the executable. Calls the JScript custom action stored in the Binary table. The Target column in the CustomAction table contains the optional script function to execute.

All scripting custom actions require the installation of the Session object. During execution of deferred custom action, Session object may no longer exist.

JScriptCall attribute specifies the script function to execute. Calls the VBScript custom action stored in the Binary table. VBScriptCall attribute specifies the script function to execute. The Source column in the CustomAction table contains the key to the record in the File table.

Because file is installed with the application, there are sequencing restrictions on custom action Type We also add a custom action of Type 17 to the CustomAction table. We also add a custom action of Type 18 to the CustomAction table. This custom action displays a specified error message, returns failure, and then terminates the installation.

The value of columns in the CustomAction table:. Calls the JScript custom action which is installed with the application during current session. Calls the VBScript custom action which is installed with the application during current session. Because DLL is installed with the application, there are sequencing restrictions on custom action Type The Source column in the CustomAction table contains the key to the record in the Directory table.

This record is used to resolve the full path to a working directory. This is not required to be the path to the directory containing the executable. The Target column in the CustomAction table contains the full path and name of the executable file followed by optional arguments to the executable. The full path and name to the executable file is required. Quotation marks must be used around long file names or paths. The value is treated as formatted text and may contain references to properties, files, directories, or other formatted text attributes.

Here we are installing the ReadMe. The Target column in the CustomAction table contains a formatted text and may contain references to properties, files, directories, or other formatted text attributes. Do not change the location of a target directory during maintenance installation. Calls the JScript custom action stored internally in the CustomAction table.

The Source column in the CustomAction table contains the null value. The Target column in the CustomAction table contains the script code for the custom action as a string of literal script text.

Calls an executable launched with a command line. Path and file name of the executable is stored in the property. Typical use for this custom action is to find the installation path for the executable using registry search first. The Source column in the CustomAction table contains a key to the Property table for a property that contains the full path to the executable file..

The Target column in the CustomAction table contains the command line string for the executable identified in the Source column. Replaceable parameters in the formatted text string are enclosed in the square brackets:. The Source column in the CustomAction table contains a property name or a key to the Property table for a property containing the script text.

The Target column in the CustomAction table contains an optional script function name to be called. Do you have any idea why this is? Here is my code. Your custom action is deferred, non-impersonated action, so it runs elevated under Local System account on Vista. When i tried to execute the scripts manually changing my Custom Action project to Console Application from Class Library everything goes fine but when i tried to do the same through setup its gave me the following error.

A DLL required for this install to complete could not be run. There is a problem with this Windows Installer package. Contact your support personnel or package vendor. CRMnext — Error The installer has encountered an unexpected error installing this package.

This may indicate a problem with this package. The error code is Introduction Although standard actions are sufficient to execute an installation in most cases, custom actions enable the author of an installation package to extend the capabilities of standard actions by including executables, dynamic-link libraries, and script. Custom action type Description Type 7 Concurrent installation of a product residing in the installation package. Type 23 Concurrent installation of an installer package within the current source tree.

Type 39 Concurrent installation of an advertised installer package. Execution scheduling options Because a custom action can be scheduled in both the UI and execute sequence tables, and can be executed either in the service or client process, a custom action can potentially execute multiple times.

This table describes the bit flags in the Type column of the CustomAction table and their meaning: Action may run twice if present in both sequence tables. Skips action in execute sequence if UI sequence has run. No effect in UI sequence. Not affected by install service registration. Skips action in execute sequence if UI sequence has been run in same process, for example both run in the client process.

Used to prevent actions that modify the session state, such as property and database data, from running twice. The action runs only if the execute sequence is run on the client following UI sequence.

Hidden Target option Use the following option flags to specify that the installer not write the value entered into the Target field of the CustomAction table into the log. The CustomActionData property is also not logged when the installer executes the custom action. Because the installer sets the value of CustomActionData from a property with the same name as the custom action, that property must be listed in the MsiHiddenProperties property to prevent its value from appearing in the log.

In-script execution options You can use the following option flags to specify the in-script execution of custom actions. Return processing options The flags are used to specify that the main and custom action threads run synchronously Windows Installer waits for the custom action thread to complete before resuming the main installation thread , or asynchronously Windows Installer runs the custom action simultaneously while the main installation continues. This option cannot be used with Rollback and Script custom actions.

Execution continues after Windows Installer terminates. This option can only be used with the EXE type custom actions. All other types of custom actions can be asynchronous only within the install session, and must end for the installation to terminate. Scripting Custom Action return values Scripting custom actions must return one of the following return codes: Returned if there is an error during parsing or execution of the Jscript or VBScript.

Here is how to add Type 1 custom action in Wix: Custom Action Type 2 Calls an executable stored in the Binary table. If the source file is not already installed on the computer:.