XmTabCreate creates a tab stop at a position defined by the value and units arguments.
value Specifies the floating point value to be used in conjunction with units to calculate the
location of the tab stop. Note that negative values are not permitted.
units Specifies the unit type (for example, XmMILLIMETERS) to be used in conjunction with value to
calculate the location of the tab stop. You can specify any unit described by the
XmConvertUnits reference page. For resources of type, dimension, or position, you can specify
units as described in the XmNunitType resource of the XmGadget, XmManager, or XmPrimitive
reference page.
offset_model
Specifies whether the tab value represents an absolute position or a relative offset from the
previous tab. Valid values are XmABSOLUTE and XmRELATIVE.
alignment Specifies how the text should be aligned relative to this tab stop. Valid values are
XmALIGNMENT_BEGINNING.
decimal Specifies the multibyte character in the current language environment to be used as the decimal
point for a decimal aligned tab stop. This is currently unused.