|CDX Constant Name:||kCDXProp_TopLeft|
|CDX Constant Value:||0x0209|
|Property of objects:||kCDXObj_TLCPlate|
|First written/read in:||ChemDraw 8.0|
The location of the top-left corner of a quadrilateral object, possibly in a rotated or skewed frame.
If this property is absent:
The top-left is positioned at (0, 0).