How PixelsPerInch works in Delphi 10.3 Rio?
问题 I do not understand what is the purpose of PixelsPerInch property... It seems it is useless. If Scaled is checked, PixelsPerInch cannot be modified. If Scaled is unchecked and PixelsPerInch is changed, the form size an font is scaled to a fixed value, regardless of the value you entered in PixelsPerInch field. Of course, I checked the form size at runtime. 回答1: Scaled is True In the dfm file the PixelsPerInch property contains the screen DPI value used when the form was designed. This is