System Attributes and Multithreading

The following table indicates, for each system attribute, whether the User Interface Library maintains separate values for each thread, or one global value for the entire process.

System Attribute Values Maintained
ATTR_RESOLUTION_ADJUSTMENT Separate value for each thread.
ATTR_TASKBAR_BUTTON_VISIBLE Separate value for each thread.
ATTR_TASKBAR_BUTTON_TEXT Separate value for each thread.
ATTR_REPORT_LOAD_FAILURE One global value.
ATTR_ALLOW_MISSING_CALLBACKS One global value.
ATTR_ALLOW_UNSAFE_TIMER_EVENTS One global value.
ATTR_SUPPRESS_EVENT_PROCESSING Separate value for each thread.