hook_<libraryPrefix>_hasUserAuthorization()
This function determines whether a certain user has the authorization to change the value of a data point element.
Synopsis
int hook_<libraryPrefix>_hasUserAuthorization(string sDpe, string
sUserName);
Parameters
Parameters
| Parameter | Description |
|---|---|
| sDpe | Name of the datapoint element for which the authorization is checked. |
| sUserName | Name of the user whose authorization is checked. |
Return Value
0 = User has no authorization.
1 = User has authorization.
< 0 = This function was not implemented. The default implementation is used (the authorization is validated via the datapoint config _auth or via the data point node name).
Description
This function determines whether a user has the authorization to change the value of data point elements. Note that this function must exist in every WinCC OA project that uses a library.
You can find the function in the stdlib_hook_project.ctl under wincc_oa_path/Stdlib_3.20/scripts/libs/
int hook_hasUserAuthorization(string sDpe, string sUserName)//attention, this function has to exist!
{
//this function has to return :
// 0 if user has no authorization
// 1 if user has authorization
// <0 if default implementation should be used (chech authorization form _auth config)
return -9;
}
