Appearance Tag of the Dialogs File
The appearance tag defines the position and size of the dialog box. It includes the following attributes:
height. Defines the height of the dialog box, in pixels.
width. Defines the width of the dialog box, in pixels.
position. Defines the position of the dialog box in a screen. The position attribute can contain the following values:
parent_center. Displayed on the center of a parent window.
desktop_center. Displayed on the center of the desktop.
custom. A custom position.
top. The (vertical) starting position of the dialog box. The position attribute must include a custom value.
left. The (horizontal) starting position of the dialog box. The position attribute must include a custom value.