DPI

Specifies the number of dots (pixels) per logical inch in effect at the time the dialog was last saved from within the editor. This attribute, if non-zero, also indicates that the dialog is scalable.

Note:
The value of this attribute varies depending on whether small or large fonts (or a custom font size setting) are being used.

Applies to Dialog (all types), date/time picker control, list view control, progress bar control, slider control, spin control, tree view control.
Data Type I4
Default Value 0
Possible Values 0 - 200