Single and multiple selection between choices or options

Single and Multiple Selection between Choices or Options
- Integrated Circuits -
- An Online Book -

Integrated Circuits http://www.globalsino.com/ICs/

Chapter/Index: Introduction | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Appendix

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Launch the existing opened application if there is or start a new one if there is not: code:

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Single options: code:
          Launch the existing opened application if there is or start a new one if there is not
Output 1:

Output 2:


Output 3:
          Launch the existing opened application if there is or start a new one if there is not

Output 4:

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