IltmmDVDControl::GetGPRM

Summary

Retrieves the GPRM (general parameter registers) value at the specified index.

Syntax

#include "ltmm.h"

Language Syntax
C HRESULT IltmmDVDControl_getGPRM(pDVD, index, pVal)
C++ HRESULT GetGPRM(index, pVal)

Parameters

IltmmDVDControl *pDVD

Pointer to an IltmmDVDControl interface.

long index

Index of the GPRM value to retrieve. Possible values range from 0 to 15.

long *pVal

Pointer to a variable that receives the GPRM value at the specified index.

Returns

Value Meaning
S_OK The function ran successfully.
<> S_OK An error occurred. Refer to the Error Codes or the HRESULT error codes in the DirectShow documentation.

Comments

To set the value of the general parameter register at a specific index, call IltmmDVDControl::SetGPRM.

Call IltmmDVDControl::GetSPRM to retrieve the current contents of the system parameter register (SPRM) at a specific index.

For more detailed information, refer to the Microsoft documentation for IDvdInfo2::GetAllGPRMs.

Required DLLs and Libraries

Platforms

Win32, x64.

See Also

Functions

Topics

Example

Language Example
C IltmmDVDControl::GetButtonAtPosition
C++ IltmmDVDControl::GetButtonAtPosition
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© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.