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Retrieves the GPRM (general parameter registers) value at the specified index.
#include "ltmm.h"
| Language | Syntax |
|---|---|
| C | HRESULT IltmmDVDControl_getGPRM(pDVD, index, pVal) |
| C++ | HRESULT GetGPRM(index, pVal) |
Pointer to an IltmmDVDControl interface.
Index of the GPRM value to retrieve. Possible values range from 0 to 15.
Pointer to a variable that receives the GPRM value at the specified index.
| 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. |
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.
Win32, x64.
| Language | Example |
|---|---|
| C | IltmmDVDControl::GetButtonAtPosition |
| C++ | IltmmDVDControl::GetButtonAtPosition |
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