I had the need today to display strikethrough text in a Xamarin Forms app. The built-in label control didn’t support such formatting. So, leaning on Unicode’s strikethrough character set, I wrote a function to convert any string to a strikethrough string. To be fair, this works great for the normal character set, so I feel it’s good for most things. Please let me know if your mileage varies.
Business case: I needed to show a “Was some dollar amount” value. Like “Was $BLAH, and Now BLAH!”
In my class, I simply called into my strikethrough converter, as follows:
The property:
public string StrikeThroughValueText => StrikeThroughValue.HasValue ? $"{ConvertToStrikethrough(StrikeThroughValue.Value.ToString("C"))}" : "???";
The function:
private string ConvertToStrikethrough(string stringToChange)
{
var newString = "";
foreach (var character in stringToChange)
{
newString += $"{character}\u0336";
}
return newString;
}
Enjoy! I hope this helps you 🙂
Link: More about why this works: Combining Long Stroke Overlay.
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