D1149: Print Detected An Invalid Unicode Character

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Direct2D Print: Invalid Unicode character detected in DWRITE_GLYPH_RUN_DESCRIPTION.string. It was replaced with space (0x20).

 

Possible Causes

Direct2D Print considers invalid characters noted in Unicode documentation, as well as certain ASCII characters outside of the visible range, to be non-printable. Use of these characters does not cause an error. Rather, Direct2D Print will substitute these characters with spaces.

Possible Fixes

To avoid this notification, do not use malformed Unicode characters or non-printable ASCII while drawing text for printability.