PdfTrueTypeFont.UpdateCharsSubset Method
UpdateCharsSubset(Char[])
Updates the set of characters that must be subset in the final font data.
Parameters
chars Char[]
Array of characters to be included in the subset.
Remarks
This method is called automatically when using the DrawString methods in the PdfGraphics class but when the low level methods in PdfContentStream class are used then the characters to be subset must be added manually.