• Introduction
  • What is HAL?
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  • Language Reference
    • Declarations, assignments and statements
    • Keywords and operations
• Tutorials
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  • Create a report
• HAL Primitives
• HAL Procedures/Functions
• HAL Discussions

Description:

Checks if the task (created with NewTimedTask/NewPeriodicTask) with a specified name exists.

Parameters:
TaskName	The name that was used when the task was defined.

global
updating procedure OnApplicationStartup()
begin
  NewTimedTask("HelloWorldTask","Just saying hello to the world","SayHello","Hello World!",CurrentDate,addseconds(currenttime,10),"");  
   
  if(TaskExists("HelloWorldTask")) then begin
    stopalert("Task created");
  end;

  return;
end;

global 
procedure SayHello(string argument)
begin
    stopalert(argument);
  return;
end;

Related topics: