EM QUERYCHANGED

This message enquires if the text of the entry field control has been changed since the last enquiry.

Syntax

param1
ULONG ulReserved;  /* Reserved value, should be 0. */

param2
ULONG ulReserved;  /* Reserved value, should be 0. */

Parameters

ulReserved (ULONG) - input: Reserved value, should be 0.
ulReserved (ULONG) - input: Reserved value, should be 0.

Returns

rc (BOOL) - return

Changed indicator.

TRUE: The text in the entry field control has been changed since the last time it received this message or a WM_QUERYWINDOWPARAMS message.

FALSE: All other situations.

Remarks

The entry field control window procedure responds to this message by setting rc to indicate whether the text of the entry field has been changed since the last time either this message or a WM_QUERYWINDOWPARAMS (in Entry Fields) message has been received.

Default Processing

The default window procedure does not expect to receive this message and therefore takes no action on it, other than to set rc to the default value of FALSE.