The MsiInstallProduct function installs or uninstalls a product.

Syntax

C++UINT MsiInstallProduct(
  __in  LPCTSTR szPackagePath,
  __in  LPCTSTR szCommandLine
);

Parameters

szPackagePath [in]

A null-terminated string that specifies the path to the location of the Windows Installer package. The string value can contain a URL (e.g. http://packageLocation/package/package.msi), a network path (e.g. \\packageLocation\package.msi), a file path (e.g. file://packageLocation/package.msi), or a local path (e.g. D:\packageLocation\package.msi).

szCommandLine [in]

A null-terminated string that specifies the command line property settings. This should be a list of the format Property=Setting Property=Setting. For more information, see About Properties.

To perform an administrative installation, include ACTION=ADMIN in szCommandLine. For more information, see the ACTION property.

Return Value

For more information, see Displayed Error Messages.

Remarks

The MsiInstallProduct function displays the user interface with the current settings and log mode.

• You can change user interface settings by using the MsiSetInternalUI, MsiSetExternalUI, or MsiSetExternalUIRecord functions.
• You can set the log mode by using the MsiEnableLog function.
• You can completely remove a product by setting REMOVE=ALL in szCommandLine.

For more information, see REMOVE Property.

Requirements

See Also

Displayed Error Messages

Error Codes

Initialization Error

Installation and Configuration Functions

Multiple-Package Installations

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Build date: 8/13/2009