ATTR_TOP_ACTUAL_RANGE

Type: Control attribute
Description: Use this attribute to obtain the effective topmost range of the splitter control.

Several factors determine this value, such as the setting of the ATTR_TOP_RANGE attribute, the type, size, and position of controls you have attached to the top edge of the splitter, and in what mode they are attached.

Control Types: Splitters.
Restrictions: Not settable. Not valid for vertical splitters
Data Type: integer
Valid Range: -32768 to 32767