ADLINK Technology HDV62, User Manual

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122 Programming Guide
5.4.2.11EDID ROM Write Protection
Purpose
These functions read or write whether or not the EDID ROM is
writable.
Prototype
 C/C++
HRESULT EDID_WriteWriteProtection (UINT Value)
HRESULT EDID_ReadWriteProtection (UINT *Value)
 C#
int EDID_WriteWriteProtection (uint Value)
int EDID_ReadWriteProtection (out uint Value)
 VB.Net
EDID_WriteWriteProtection (ByVal Value As UInteger)
As Integer
EDID_ReadWriteProtection (ByRef Value As UInteger)
As Integer
Parameters
 Status
Indicates whether or not the EDID ROM is writable. Users
need to break write protection before write EDID ROM and
set it to protect the content of the EDID ROM. Please see
figure 4-2 for EDID hardware architecture. Could be one of
the following values:
0: EDID ROM can be read/write
1: EDID ROM is read only
Return Value
No error occurs if return value >= 0; if negative value, call AMGet-
ErrorText function to get error information about return codes.