ADLINK Technology HDV62, User Manual

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86 Function Library
4.10.3 Write Protection
Purpose
These functions set or get whether or not the EDID ROM is writ-
able.
Prototype

C/C++
int Hdv62_SetEdidWriteProtection (UINT Number, UINT
Status)
int Hdv62_GetEdidWriteProtection (UINT Number,
UINT& Status)
 C#
int SetEdidWriteProtection (uint Number, uint
Status)
int GetEdidWriteProtection (uint Number, out uint
Status)
 VB.Net
SetEdidWriteProtection (ByVal Number As UInteger,
ByVal Status As UInteger) As Integer
GetEdidWriteProtection (ByVal Number As UInteger,
ByRef Status As UInteger) As Integer
Parameters
 Number
The number of device. The allowed value is from 0 to 15.
 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, please refer
to Section 4.9 to get error information about return codes.