Template Implementation

🚀 Basic Usage

Add barcode control templates to any window or report detail band.

⚙️ Template Properties

🎯 Barcode Configuration

• Barcode Symbology: Choose specific type or "Use Field" for dynamic selection from a field
• Field that Holds Symbology: When "Use Field" selected, specify which field contains the barcode type
• Barcode Value:
• Direct value: Enter the exact barcode data
• Field reference: Prefix with '!' (e.g., !BAR:Barcode)
• Draw Value Under Barcode: Show human-readable text (uses DrawText property)
• Wide to Narrow Ratio: Ratio for specific symbologies (2-3 recommended):
• CODE39 and Extended
• Interleaved 2 of 5
• Code 2 of 5

📐 Size and Position

• Fixed Bar Width:
• By default: Auto-adjusts to control width
• When enabled: Uses specified width
• Units: Mils (1/1000 inch) or pixels
• Force Pixels:
• Windows only: Convert width to pixels
• Reports: Always uses mils
• Clear Areas:
• Left/Right: Quiet zones in narrow bars
• Top/Bottom/Middle: Reserved for future use

🔄 Data Options

• Draw Start/Stop Character:
• For CODE39/Extended only
• Requires DrawText=TRUE
• Shows start/stop characters in text
• Calculate Check Digits:
• For optional check digit types:
  • CODE39 (Standard/Extended)
  • Interleaved 2 of 5
  • Code 2 of 5
  • CODABAR
• Omit check digit in data for auto-calculation

🪟 Window Options

• Draw Upon Entry:
• Automatically draw in ThisWindow.Init
• Caution with FONTDIALOG usage

💡 Implementation Notes

1. Field References
2. Always use '!' prefix for field names

3. Example: !BAR:Barcode not BAR:Barcode

4. Property Dependencies

5. Start/Stop requires DrawText=TRUE
6. Fixed width overrides automatic sizing

7. Force Pixels only works with Fixed Bar Width

8. Check Digit Handling

9. Optional: Let library calculate
10. Manual: Include in barcode data
11. UPC/EAN: Always required

Note: Always prefix field names with '!' in the Barcode Value property.