Is there a Unicode character for the backspace icon (as seen on some keyboards and on the Windows Phone soft keyboard)
Yes: \u232B is the "erase to the left" character: ⌫.
\u232B
In case you are still looking for a solution.
Try this:
char[] myunicodechar = { '\u232B'}; myTextBlockLabel.Text = new string(myunicodechar);
Unfortunately it is not exactly the same symbol as the one you were looking for.
Ansering on an old thread, but still relevant :). This is the exact same icon than the one used in the soft keyboard:
<TextBlock Text="" FontFamily="Segoe UI Symbol" />
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Yes:
\u232Bis the "erase to the left" character: ⌫.