BlockSizeX Element [Visio 2003 SDK Documentation]
Determines the horizontal block size, the area in which each of your shapes must fit on the drawing page when you use Microsoft Office Visio to lay out shapes on the drawing page.
<BlockSizeX> [Unit] [F] [Err]> </BlockSizeX>
Optional string. Represents a unit of measure. The default is DL. For details about DL, see Units of measure.
Optional string. Represents the element's formula. This attribute can contain one of the following strings: "someFormula" if the formula exists locally, "No Formula" if the formula is locally deleted or blocked, or "Inh" if the formula is inherited.
If the attribute is not present, the element's formula is a simple constant, for example, <element>5</element>.
Optional string. Indicates that the formula evaluates to an error. The value of Err is the current value (an error message string); the value of the element is the last valid value.
cell (Page Layout section)
Page Layout section