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Reference for unit 'ComCtrls' (#lcl)

TCN_SELCHANGING

Represents the selection changing notification message for tab controls.

Declaration

Source position: comctrls.pp line 4166

const TCN_SELCHANGING = TCN_FIRST - 2;

See also

TCustomTabControl.CNNotify

Handles the CN_NOTIFY message for the control.

Version 4.0

Generated 2025-05-03