C# Signature:

[DllImport("msi.dll")]
public static extern InstallUIHandler MsiSetExternalUI(InstallUIHandler handler, int messageFilter, IntPtr context);

VB Signature:

Declare Function MsiSetExternalUI Lib "msi.dll" (TODO) As TODO

User-Defined Types:

public delegate IntPtr InstallUIHandler(IntPtr context, uint messageType, string message);

public delegate IntPtr InstallUIHandler(IntPtr context, uint messageType, string message);

Alternative Managed API:

Do you know one? Please contribute it!

Notes:

None.

Tips & Tricks:

Please add some!

Sample Code:

public static bool InstallProduct(string msiLocation)
{
    bool returnValue = true;

public static bool InstallProduct(string msiLocation)

    {
        bool returnValue = true;

    MsiSetExternalUI(new InstallUIHandler(MyInstallUIHandler), 32735, (IntPtr)0);
    MsiEnableLog(INSTALLLOGMODE.INSTALLLOGMODE_VERBOSE, "C:\\temp\\log.log", INSTALLLOGATTRIBUTES.INSTALLLOGATTRIBUTES_APPEND);
    MsiInstallProduct(msiLocation, "");
        MsiSetExternalUI(new InstallUIHandler(MyInstallUIHandler), 32735, (IntPtr)0);
        MsiEnableLog(INSTALLLOGMODE.INSTALLLOGMODE_VERBOSE, "C:\\temp\\log.log", INSTALLLOGATTRIBUTES.INSTALLLOGATTRIBUTES_APPEND);
        MsiInstallProduct(msiLocation, "");

    return returnValue;
}
        return returnValue;
    }

Please edit this page!

Do you have...

• helpful tips or sample code to share for using this API in managed code?
• corrections to the existing content?
• variations of the signature you want to share?
• additional languages you want to include?

Select "Edit This Page" on the right hand toolbar and edit it! Or add new pages containing supporting types needed for this API (structures, delegates, and more).