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The Itv_var method sets and returns the values of global variables.

Method call syntaxSyntax for method invocation:

function  Itv_var (globalvar : String) : String

Method arguments:

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1. Globalvar is a required argument. It specifies the name of the global variable.

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1. Possible values:

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1. String type that meets the requirements for valid names of String parameters of the Windows registry.

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Usage examples

Problem. When Macro 1 startsExample. On macro 1, save the value of the bright parameter of Camera camera 10 to the cam10bright global variable. When Macro On macro 2 starts, set the bright parameter of Cameras the cameras 1 to 4 to the value of the cam10bright global variable.

if (Event.SourceType == "MACRO" && Event.Action == "RUN")
{
  if(Event.SourceId == "1")
  {
    Itv_var("cam10bright") = GetObjectParam("CAM", "10", "bright");
  }
  if (Event.SourceId == "2")
  {
    var cam10bright = Itv_var("cam10bright");
    for(i=1; i<=4; i=i+1)
    {
      SetObjectParam("CAM", i, "bright", cam10bright);
    }
  }
}