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Overview |
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Group |
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Quick Info
Windows NT
| Yes
| Win95
| Yes
| Win32s
| No
| Import Library
| lsapi32.lib
| Header File
| lsapi.h
| Unicode
| No
| Platform Notes
| None
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LSEnumProviders
This is preliminary documentation for technology that will be supported in future releases of Microsoft Windows.
The LSEnumProviders function returns a unique string for each installed license system service
provider.
LS_STATUS_CODE LS_API_ENTRY LSEnumProviders(
LS_ULONG Index,
| // index of the service provider
| LS_STR *Buffer
| // pointer to string identifying the service provider
| );
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Parameters
Index
[in] Specifies the index of the service provider. The first provider has an
index of zero, the second has an index of one, and so forth. This index should be
incremented by the caller for each successive call to LSEnumProviders until it returns the LS_BAD_INDEX status code.
Buffer
[out] Points to a buffer in which the unique null-terminated string
identifying the license system service provider is to be placed. The buffer pointed to by
the Buffer parameter must be at least 255 bytes long. The value of LS_ANY indicates that
the current index is not in use, but it is not the last index to obtain.
Return Values
If the function succeeds, the return value is LS_SUCCESS.
If the function fails, the return value is a status code. For extended error
information, call LSGetMessage to return the status text corresponding to the status code. The LSGetMessage function may return one of the following status codes:
Value
| Meaning
| LS_BAD_INDEX
| An invalid index was specified in a call to the LSEnumProviders or the LSQuery function.
| LS_BUFFER_TOO_SMALL
| The buffer that the Buffer parameter points to is too small to accommodate the text string to be
returned; or the challenge data structure is too small to accommodate the challenge
response.
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Remarks
The LSEnumProviders function returns a unique string for each installed provider. The unique
null-terminated string typically identifies the vendor, product, and version of the
license system. This value is the same as the one returned by an appropriate
call to the LSQuery function. In a networked environment, it returns the version of the client,
not the server.
An application can enumerate the installed license system service providers by
calling LSEnumProviders successively. The value specified in the Index parameter is passed in and the calling application should increment it in
each call until it returns the LS_BAD_INDEX status code. This code indicates that
the value of the Index parameter is higher than the number of providers currently installed.
See Also
LSGetMessage, LSQuery
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