query_line_width ( : : : Min, Max )

Query of possible line widths.

query_line_width returns the minimal (Min) and maximal (Max) values of widths in which of region border can be displayed. Setting of the border width is done with set_line_width. Border width is used by operators like disp_region, disp_line, disp_circle, disp_rectangle1, disp_rectangle2 etc. if the drawing mode is "margin" (set_draw(::'margin':)).


Parameters

Min (output_control)
integer -> integer
displayable minimum width.

Max (output_control)
integer -> integer
displayable maximum width.


Result

query_line_width returns TRUE, if a window is active. Otherwise an exception is raised.


Possible Successors

get_line_width, set_line_width, set_line_style, disp_line


See also

disp_circle, disp_line, disp_rectangle1, disp_rectangle2, disp_region, set_line_width, get_line_width, set_line_style



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