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Chapter 2: SIMDRAW
Figure 2-3. Dialog Editor
2.15.1 Selecting, Moving, and Resizing
An item in a dialog box or “control” is selected by clicking the mouse button over its visible
portion. Multiple controls can be selected by either holding down the Shift key and clicking
on several items, or by dragging the selection box over the controls you want to select.
Selected controls are marked by a bordering green or cyan box. Sides and corners of this
box may contain small square resize handles. A resize handle is present for each dimension
that the control can logically be resized in. Resizing is performed by clicking down and
dragging a resize handle.
To move a control, click down on it and drag to the desired location.
2.15.2 Dialog Box Coordinate System
Controls are positioned in font units. The width of a font unit is the width occupied by a
single digit within a dialog box. The height of a font unit is the maximum of button and
text box heights. The origin of a dialog box’s coordinate system is at its top left hand corner with Y-values increasing downward.
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