Determine the x-and y dimensions of this dialog box tile.
This function returns the x,y dimensions of the tile with the name key. The x,y dimensions are typically used by other dialog box functions: dlg_fill_image, dlg_slide_image, and dlg_vector_image.
The handle argument is the name of the dialog box.
The key argument specifies the tile; it is case-sensitive.
The width argument is the x-coordinate of the tile; the height is the y-coordinate, using a 0-based system.
NOTES
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Programming Overview of SDS™ (Solutions Development System™)