Font Constructor (String, Single, FontStyle)
Initializes a new Font using a specified size and style.
Assembly: System.Drawing (in System.Drawing.dll)
emSize is less than or equal to 0, evaluates to infinity, or is not a valid number.
The resulting font has its Unit property set to Point. Windows Forms applications support TrueType fonts and have limited support for OpenType fonts. If the familyName parameter specifies a font that is not installed on the machine running the application or is not supported, Microsoft Sans Serif will be substituted.