HN_BEGINDIALOG
Sent by a
bedit or hedit control to its parent window just before the control puts up any
kind of dialog, including the lens, edit text, or garbage-detection dialogs.
The control s parent window receives this notification message
through a WM_COMMAND message.
Parameters
wParam
Specifies the
identifier of the hedit or bedit control.
lParam
Specifies the
handle of the hedit or bedit control in the low-order word and the
HN_BEGINDIALOG notification message in the high-order word.
Return Value
If the parent
window returns TRUE to this notification message, the bedit or hedit control
refrains from opening the dialog; otherwise, the dialog is opened. Note that
the application can disable the hedit or bedit control s ability to open a dialog by specificying CIH_NOEDITTEXT
in the WM_CTLINIT message.