(go to: table of contents, index, list of vms_smg, prev: PREV, next: REPAINT_LINE)
Format:
None
Arguments:
REMOVE_LINE - Remove a Line from a Virtual Display
Remove a line from a specified virtual display that was drawn with the
vms_smg.draw_line() or
vms_smg.draw_rectangle() routines.
None = vms_smg.remove_line (display_id, \
start_row, start_column, \
end_row, end_column)
Returns:
Examples:
(go to: table of contents,
index, list of vms_smg,
prev: PREV,
next: REPAINT_LINE)
>>> import vms_smg
>>> import vms_smgdef
>>> # create a new DECwindows terminal using SMG
>>> status, pasteboard_id, number_of_pasteboard_rows, \
... number_of_pasteboard_columns, type_of_terminal, \
... device_name = vms_smg.create_pasteboard \
... (None, vms_smgdef.SMG_M_WORKSTATION)
>>>
>>> # create virtual display
>>> status, vtdpy1 = vms_smg.create_virtual_display \
... (5, 10, vms_smgdef.SMG_M_BORDER, None, None)
>>>
>>> # paste virtual display
>>> status = vms_smg.paste_virtual_display \
... (vtdpy1, pasteboard_id, 3, 5, None)
>>>
>>> # draw on virtual display
>>> vms_smg.draw_rectangle (vtdpy1, 1, 1, 4, 4)
>>> vms_smg.draw_rectangle (vtdpy1, 2, 2, 4, 5)
>>>
>>> # remove a single line
>>> vms_smg.remove_line (vtdpy1, 1, 4, 4, 4)
>>>