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SIMATIC WinCC Open Architecture Version 3.18 Documentation

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CONTROL
Types of Control Functions
Mapping functions
"count" (mapping::count)
Returns the number of keys.

CONTROL
- Introduction to CTRL
- CONTROL Classes
- Types of Control Functions
  - Control Function - User Administration
  - Database functions
  - File functions
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  - Vector / Dynamic arrays
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  - Window functions
  - Functions for bit32/bit64 variables
  - Functions for blob variables
  - Graphics functions
  - Communication functions
  - Multilingual functionality
  - Mapping functions
    - "clear" (mapping::clear)
      Empties the mapping.
    - "contains"(mapping::contains)
      Returns true if the key is already in the mapping.
    - "count" (mapping::count)
      Returns the number of keys.
    - "insert" (mapping::insert)
      Insert a key/value pair.
    - "isEmpty" (mapping::isEmpty)
      Returns true if the mapping is empty.
    - "keyAt" (mapping::keyAt)
      Returns the key at the given index position.
    - "merged" (mapping::merged)
      This function creates a new instance by merging two mappings.
    - "remove" (mapping::remove)
      Removes the key and the associated value.
    - "value" (mapping::value)
      Returns the value at given key or the defaultValue if the key is not found.
    - "valueAt" (mapping::valueAt)
      Returns the value at the given index position.
  - Mathematical functions
  - Multilingual functionality
  - Alert handling
  - MindSphere Connector Functions
  - Project administration functions
  - Query functions
  - Redu/Dist functions
  - Semaphore Functions
  - String functions
  - Threads
  - Vector / Dynamic arrays
  - Administration of managers, modules and panels
  - Waiting Control functions
  - XML Control Extension
  - Time functions
  - Miscellaneous functions
  - Reference - Focus Policy
  - day()
    The method returns the day of the month.
- CONTROL graphics
- CONTROL Functions
- CTRL Debugger
  With the CTRL Debugger you can debug the programming language Control.

"count" (mapping::count)

Returns the number of keys.

Synopsis

int mapping.count();

Parameters


Parameter	Description
-	-

Description

-

Assignment

Mapping

Related information

"clear" (mapping::clear)
"contains"(mapping::contains)
"insert" (mapping::insert)
"isEmpty" (mapping::isEmpty)
"keyAt" (mapping::keyAt)
"merge"
"remove" (mapping::remove)
"value" (mapping::value)
"valueAt" (mapping::valueAt)

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