mql5

Contents

• Introduction
• Key groups and keyboard layouts
• Handling the keypress event
• ASCII codes of characters and control keys
• Key Scan Codes
• Auxiliary class for working with the keyboard
• The Multiline Text box control
• Developing the CTextBox class for creating the control
  
  • Properties and appearance
  • Managing the text cursor
    
    • Entering a character
    • Handling the pressing of the Backspace key
    • Handling the pressing of the Enter key
    • Handling the pressing of the Left and Right keys
    • Handling the pressing of the Up and Down keys
    • Handling the pressing of the Home and End keys
    • Handling the simultaneous pressing of keys in combination with the Ctrl key
  
  
• Integration of the control in the library engine
• Application for testing the control
• Conclusion

• Control keys (orange)
• Function keys (purple)
• Alphanumeric keys (blue)
• Navigation keys (green)
• Numeric keypad (red)

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