Retrieve the current value of the specified display property of type char.
int screen_get_display_property_cv(screen_display_t disp, int pname, int len, char *param)
The handle of the display whose property is being queried.
The name of the property whose value is being queried. The properties available for query are of type Screen property types.
The maximum number of bytes that can be written to param.
The buffer where the retrieved value(s) will be stored. This buffer must be an array of type char with a maximum length of len.
Library:libscreen (For the qcc command, use the -l screen option to link against this library)
Function Type: Flushing Execution
This function stores the current value of a display property in a user-provided buffer. No more than len bytes of the specified type will be written.
0 if a query was successful and the value(s) of the property are stored in param, or -1 if an error occurred (errno is set).
Last modified: 2014-11-17