Appendix A: Extended Attribute System Tables

DropDownListBox edit style (code 87)

Table A-12 shows a sample row in the PBCatEdt table for a DropDownListBox edit style. Table A-13 shows the meaning of the values in Table A-12.

**Table A-13: Values used in DropDownListBox edit style sample**
Value	Meaning
Limit	Character representation (in decimal) of the Limit value.
Key	One-character accelerator key.
Display1	Display value for first entry in code table.
Data1	Data value for first entry in code table.
Display2	Display value for second entry in code table.
Data2	Data value for second entry in code table. Display and data values are repeated in pairs for each entry in the code table.
Flag	32-bit flag. Low-order four hex digits are generic edit type; high-order four are styles within the type. A 1 in any bit indicates the corresponding style is checked. A 0 in any bit indicates the corresponding style is unchecked. Bit 31: Sorted Bit 30: Allow editing Bit 29: Auto HScroll Bit 28: VScroll bar Bit 27: Always show list Bit 26: Always show arrow Bit 25: Uppercase Bit 24: Lowercase (if bits 25 and 24 are both 0, then case is Any) Bit 23: Empty string is NULL Bit 22: Required field Bit 21: Not used (set to 0) Bit 20: Not used (set to 0) Bits 19 – 16 (1 hex digit): Not used (set to 0) Bits 15 – 4 (3 hex digits): Always 0 for DropDownListBox edit style Bit 3: Always 0 for DropDownListBox edit style Bit 2: Always 0 for DropDownListBox edit style Bit 1: Always 1 for DropDownListBox edit style Bit 0: Always 0 for DropDownListBox edit style