Hi TMS,
I've got a situation with "TADVCOLUMNGRID".
It seems that any "DefaultRowHeight" < 17 causes the "Caret" (the edit cursor position indicator) to not be displayed. I've confirmed this through various tests and have yet to find a solution. (IE confirmed that this is the only variable that is different from one test to the next and trying values 1-16 resulting in hidden/missing caret, and 18-30 resulting in expected behavior). The component which we are replacing with yours was able to display the caret regardless of the row size (or at least when the DefaultRowHeight was set to 16).
Reproducing the issue should just be a matter of dropping this component onto a new form within a new application setting: Options = [goEditing], DefaultRowHeight = 16. Caret is missing (in my experience).
Is there a solution for this?
Oops, this is not an IntraWeb issue, I've created a new post under VCL Components.