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The following constants are used throughout the Windows Biometric Framework.
| Constant/value | Description |
|---|---|
|
The maximum length of a security identifier (SID) value. Currently this is 68. |
|
ID number of a biometric unit. |
|
An unsigned long integer that contains the handle for an open biometric session. |
|
An unsigned long integer that contains the handle for an open framework session. |
|
A GUID. |
|
A byte array that contains a null-terminated Unicode string. |
|
The maximum length of a WINBIO_STRING value. Currently this is 256. |
|
The maximum number of bytes in a single biometric data capture. |
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows 7 [desktop apps only] |
| Minimum supported server |
Windows Server 2008 R2 [desktop apps only] |
| Header |
|