Please add these features:

VCL VCL Feature Requests
1

• Selectively show BORDERS: Left, Right, Top, Bottom
• Add an optional button inside the edit box to clear the text content (left- or right-aligned)
• Add an optional AutoSizeWidth property that automatically adjusts the WIDTH of the control to its text content (with a minimum width)

2

The TAdvEditBtn offers already an additional button you could use to clear the text.