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CryptDestroyKey The CryptDestroyKey function releases the handle referenced by the hKey parameter. Once a key handle has been released, it becomes invalid and cannot be used again.
VB4-32,5,6
Declare Function CryptDestroyKey Lib "advapi32.dll" (ByVal hKey As Long) As Long |
VB.NET
System.Security.Cryptography.* |
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Operating Systems Supported |
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Windows NT 4.0 or later; Windows 95 OSR2 or later (or Windows 95 with Internet Explorer 3.02 or later) |
- hKey
[in] A handle to the key to be destroyed. |
If the function succeeds, the return value is nonzero.
If the function fails, the return value is zero. To retrieve extended error information, use the GetLastError function.
The following table lists the error codes most commonly returned by the GetLastError function. The error codes prefaced by “NTE” are generated by the particular CSP you are using.
ERROR_INVALID_HANDLE
One of the parameters specifies an invalid handle.
ERROR_INVALID_PARAMETER
One of the parameters contains an invalid value. This is most often an illegal pointer.
NTE_BAD_KEY
The hKey parameter does not contain a valid handle to a key.
NTE_BAD_UID
The CSP context that was specified when the key was created cannot be found. |
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