ENVI_CENTER

Use this procedure to return the centering offsets for a widget.

Syntax

ENVI_CENTER, Xoff, Yoff [, /XBIG] [, /YBIG]

Arguments

Xoff

This is a named variable that contains the x (horizontal) offset for use in the call to the IDL routine WIDGET_BASE.

Yoff

This is a named variable that contains the y (vertical) offset for use in the call to the IDL routine WIDGET_BASE.

Keywords

XBIG

Set this keyword if the widget will be large in the horizontal direction.

YBIG

Set this keyword if the widget will be large in the vertical direction.

Example

The following code gets the centering information from ENVI_CENTER and uses it in the call to WIDGET_BASE.

envi_center, xoff, yoff

base = widget_base(title='Center test', $

   xoff=xoff, yoff=yoff, /column)

API Version

4.2