AMX TPI-PRO-2 Spezifikationen PDF herunterladen (Seite 147)

NetLinx Programming

145

TPI-PRO/DVI (Total Presentation Interface)

List View Commands (Cont.)

^LVM

Display a new

position

Display a new position. If select is set, then select that new position.

Syntax:

SEND_COMMAND <DEV>,"'^LVM-<view address>,<offset>'"

Variables:

• view address = the address of the view definition

• offset = + / - numeric display shift

Example:

SEND_COMMAND Device,"'^LVM-2,-4'"

Shifts the display -4 and displays the list according to the view definitions located at address

^LVO

Display a data

list according

to a preset

sort/ordering

view definition.

Display a data list according to a preset sort/ordering view definition. This command tells the

view which of the possible orderings to use.

Note that the <sort> field is a bitmask, so that the 3 bit positions may be combined.

Syntax:

SEND_COMMAND <DEV>,"'^LVO-<view address>,<sort>'"

Variables:

• view address = the address of the view definition

• sort = bitmask with the following bit assignments:

0x0001 = Sort

0x0002 = Reverse

0x0004 = Filter

Note: Of special note is the reverse bit (0x0002), which reverses the list whatever order it is

currently in. When used on a sorted list, it results in a reverse sort. When used on a reverse

sorted list, it results in a forward sorted list. In most cases, the reverse bit should not be used

alone, but should be used in combination with the sort bit (0x0003) such that it always results

in a reverse sorted list.

Possible values for the sort field:

0 = None

1 = Forward Sort

2 = Reverse the current list ordering (may or may not be sorted)

3 = Reverse Sort

4 = Filter

5 = Forward Sort + Filter

6 = Reverse current + filter

7 = Reverse sort + filter

Example:

SEND_COMMAND Device,"'^LVO-1,7'"

Displays the data list according to the view definitions located at address 1 and filters and

reverse sorts the list.

^LVP

Display a new

position

Display a new position. If the select option is set, then select that position.

Syntax:

SEND_COMMAND <DEV>,"'^LVP-<view address>,<index>'"

Variables:

• view address = the address of the view definition

• index = the row number in sequential order (first row is 1)

Example:

SEND_COMMAND Device,"'^LVP-5,3'"

Sets the display position starting at the third row and displays it according to the view defini-

tions located at address 5.

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