.\" -*- nroff -*- .\" Generated file - DO NOT EDIT! .TH MsiQueryFeatureStateW 3w "Oct 2012" "Wine API" "Wine API" .SH NAME \fBMsiQueryFeatureStateW\fR (MSI.@) .SH SYNOPSIS INSTALLSTATE MsiQueryFeatureStateW ( LPCWSTR \fIszProduct\fR, LPCWSTR \fIszFeature\fR ) .SH DESCRIPTION .PP Checks the state of a feature. .SH PARAMS \fIszProduct\fR \fB[In]\fR Product's \fBGUID\fR string. .PP \fIszFeature\fR \fB[In]\fR Feature's \fBGUID\fR string. .PP .SH RETURNS .PP \fBINSTALLSTATE_LOCAL\fR Feature is installed and usable \fBINSTALLSTATE_ABSENT\fR Feature is absent \fBINSTALLSTATE_ADVERTISED\fR Feature should be installed on demand \fBINSTALLSTATE_UNKNOWN\fR An error occurred \fBINSTALLSTATE_INVALIDARG\fR One of the GUIDs was invalid .SH IMPLEMENTATION .PP Declared in \fB"msi.h"\fR. .PP Implemented in \fB"dlls/msi/msi.c"\fR. .PP Debug channel \fB"msi"\fR.