CharacterMetrics non valido. L'avanzamento verticale (definito come la somma di BlackBoxHeight, TopSideBearing e BottomSideBearing) non può essere negativo.
Click to search this error in Google
English version
CharacterMetrics is not valid. The vertical advance (defined as the sum of BlackBoxHeight, TopSideBearing, and BottomSideBearing) cannot be negative.
.Net Framework