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About the Coordinate System

The coordinate system selected for a form module defines the units of measure that are used when specifying size and position coordinates for objects in the form. A form's coordinate units can be set to either character cells or real units (centimeters, inches, pixels, or points). The default units are points.

Size and position coordinates for objects are specified in Oracle Forms and programmatically at runtime. When the size and position of objects are modified programmatically, Oracle Forms interprets values in the current form coordinate units. For example, if a window has coordinate units set for points, you can resize it by calling the Built-in procedure RESIZE_WINDOW, as shown here:

Resize_Window('my_window',20,25);

At runtime, the Width and Height values (20 and 25, respectively) are interpreted as points, the form's current form coordinate units.


About converting coordinate system units

Specifying the coordinate system

About using the character cell coordinate system