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The IoGetTransactionParameterBlock routine returns the transaction parameter block for a transacted file operation.
Syntax
PTXN_PARAMETER_BLOCK IoGetTransactionParameterBlock(
[in] PFILE_OBJECT FileObject
);
Parameters
[in] FileObject
A pointer to a file object for the file.
Return value
The IoGetTransactionParameterBlock routine returns a pointer to the TXN_PARAMETER_BLOCK structure if the file operation is transacted, otherwise it returns NULL.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows Vista and later |
| Target Platform | Universal |
| Header | ntddk.h (include Ntddk.h, Ntifs.h, Fltkernel.h) |
| Library | NtosKrnl.lib |
| DLL | NtosKrnl.exe |
| IRQL | Any level |