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Utillib
The Utillib sample
library is a collection of useful routines used by some of the samples
applications and that can be used in general for building WMI applications.
Building the Utillib Library
The UtilLib sample can
be built from the command line using NMAKE, or it can be built using Microsoft
Visual C++.
From the command line
in the sample installation directory, type the following:
NMAKE /f "Makefile"
From Microsoft Visual
C++:
1. Select File + Open Workspace
2. Select the UtilLib.DSP file
General Functions Available in the Library
|
Function Name |
Purpose |
|
WbemErrorString |
Translates SCODE into an error
text string |
|
PrintError |
Translates SCODE into an error
text string, formats and prints the error message |
|
PrintErrorAndExit |
Translates SCODE into an error
text string, formats and prints the error message. After printing message, exits the program. |
|
PrintErrorAndAsk |
Translates SCODE into an error
text string, formats and prints the error message. After printing message, prompts user if they wish to continue. |
|
TypeToString |
Takes a variant, returns a
pointer to a string that is the variant type |
|
TypeToString |
Takes a VARTYPE, returns a
pointer to a string that is the variant type |
|
TypeToString |
Takes a CIMTYPE, returns a
pointer to a string that is the variant type |
|
ValueToString |
Takes a variant, returns a
string representation of that variant |
|
cvt |
Converts Unicode to OEM for
console output |
|
myWFPrintf |
Checks to see if outputting to
console and converts string to OEM if necessary. |
|
difftime |
Returns the elapsed time
between two _timeb structures |
|
bIsNT |
Boolean function that determines
whether this is an NT operating system. |
Security Functions Available in the Library
|
Function Name |
Purpose |
|
InitializeSecurity |
Initialize DCOM security. |
|
ParseAuthorityUserArgs |
Examines the Authority and User
argument and determines the authentication type. |
|
GetAuthImp |
Gets the authentication and
impersonation levels for a current interface. |
|
SetInterfaceSecurity |
Set the identity to be used by
a connection. |