Using Programming Languages other than VBA

Sub Example_FontFile()
	' This example returns the current setting of
	' the FontFile property. It then changes the value, and
	' finally resets the value back to the original setting.

	Dim textStyle1 As AcadTextStyle
	Dim currFontFile As String
	Dim newFontFile As String

	Set textStyle1 = ThisDrawing.ActiveTextStyle

	' Retrieve the current FontFile value
	currFontFile = textStyle1.fontFile
	MsgBox "The current value for FontFile is " & currFontFile, vbInformation, "FontFile Example"

	' Change the value for FontFile
	newFontFile = "C:/AutoCAD/Fonts/italic.shx"
	textStyle1.fontFile = newFontFile
	MsgBox "The new value for FontFile is " & textStyle1.fontFile, vbInformation, "FontFile Example"
	
	' Reset font file
	textStyle1.fontFile = currFontFile
	MsgBox "The value for FontFile has been reset to " & textStyle1.fontFile, vbInformation, "FontFile Example"
End Sub