displaying-slider-index
WPF Slider 0-based Index Display Pattern
Problem Scenario
When displaying collection indices with a slider, internally using 0-based index but displaying as 1-based to users is a common requirement.
Symptoms
- 120 images exist but displayed as "0 / 120" ~ "119 / 120"
- Users expect "1 / 120" ~ "120 / 120"
- Dragging slider to the end doesn't reach the last item
Cause
- If slider's
Maximumis set toTotalCount, it exceeds the valid range - Displaying 0-based index directly confuses users
Solution
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