I wish to define a new nofication id that will be used in WM_COMMAND messages of my subclassed control. But I failed to find any rules of creating user control-defined notification codes.
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I wish to define a new nofication id that will be used in WM_COMMAND messages of my subclassed control. But I failed to find any rules of creating user control-defined notification codes.
See technical note 20, 21 and 22 on that:
TN020: ID Naming and Numbering Conventions
TN021: Command and Message Routing
TN022: Standard Commands Implementation
Short answer: pick a number in the range 0x8000 – 0xDFFF .