Using Programming Languages other than VBA

Sub Example_ModelCrossHairColor()
	' This example returns the current setting of
	' Model space CrossHairColor. It then changes the value, and
	' finally resets the value back to the original setting.

	Dim preferences As AcadPreferences
	Dim currCrossHairColor As OLE_COLOR

	Set preferences = ThisDrawing.Application.preferences

	' Retrieve the current CrossHairColor value
	currCrossHairColor = preferences.DISPLAY.ModelCrosshairColor
	MsgBox "The current value for the model space CrossHairColor is " & preferences.DISPLAY.ModelCrosshairColor, vbInformation, "CrossHairColor Example"

	' Change the value for CrossHairColor
	preferences.DISPLAY.ModelCrosshairColor = vbGreen
	MsgBox "The new value for CrossHairColor is " & preferences.DISPLAY.ModelCrosshairColor, vbInformation, "CrossHairColor Example"

	' Reset CrossHairColor to its original value
	preferences.DISPLAY.ModelCrosshairColor = currCrossHairColor
	MsgBox "The CrossHairColor value is reset to " & preferences.DISPLAY.ModelCrosshairColor, vbInformation, "CrossHairColor Example"
	
End Sub