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GRID-UNIT-WIDTH-CHARS attribute

(Graphical interfaces only)
The width, in character units, of a horizontal grid unit on the frame.
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Access:
Applies to:
This attribute specifies the distance between horizontal grid points in the frame. When a widget is moved or resized, it snaps to these grid points within the frame when the GRID-SNAP attribute is set to TRUE. The default value depends on the display resolution and the size of the default system font.

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