• Programmer.Editor.Selection.GetSelectedHandles
• Programmer.Editor.Fixtures.Patch.InvertFixtureControls

• Windows.PatchView.Handles

It is important to find the correct control name, see ControlName

InvertPanSelectedFixtures.xml

<?xml version="1.0" encoding="utf-8" ?>
<avolites.macros xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="Avolites.Menus.xsd">
 
  <macro id="Avolites.Macros.InvertPanSelectedFixtures" name="InvertPan Selected Fixtures">
    <description>Inverts Pan for the currently selected fixtures.</description>
    <sequence>
      <step>Programmer.Editor.Selection.GetSelectedHandles("Windows.PatchView.Handles")</step>
      <step>Programmer.Editor.Fixtures.Patch.InvertFixtureControls(Windows.PatchView.Handles, "Pan", True)</step>
    </sequence>
  </macro>
 
  <macro id="Avolites.Macros.UnInvertSelectedFixtures" name="UnInvert Pan Selected Fixtures">
    <description>Uninverts Pan the currently selected fixtures.</description>
    <sequence>
      <step>Programmer.Editor.Selection.GetSelectedHandles("Windows.PatchView.Handles")</step>
      <step>Programmer.Editor.Fixtures.Patch.InvertFixtureControls(Windows.PatchView.Handles, "Pan", False)</step>
    </sequence>
  </macro>
 
</avolites.macros>

This explains the functional steps within the sequence. For all the other XML details please refer to Formats and syntax

Each macro gets the currently selected fixtures and puts these handles in the menu property “Windows.PatchView.Handles”.

All fixtures in this property are then pan-inverted resp. pan-univerted.

• make this macro available
• When needed, select some fixtures and apply this macro in order to invert pan for these fixtures.