dtn-wmkeydown.md

title	description	ms.assetid	keywords	topic_type	api_name	api_location	api_type	ms.topic	ms.date
DTN_WMKEYDOWN notification code (Commctrl.h)	Sent by a date and time picker (DTP) control when the user types in a callback field. This notification code is sent in the form of a WM\_NOTIFY message.	e67e222d-28a1-4d30-ae64-8ec9a62fa321	DTN_WMKEYDOWN notification code Windows Controls	apiref	DTN_WMKEYDOWN DTN_WMKEYDOWNA DTN_WMKEYDOWNW	Commctrl.h	HeaderDef	reference	05/31/2018

DTN_WMKEYDOWN notification code

Sent by a date and time picker (DTP) control when the user types in a callback field. This notification code is sent in the form of a WM_NOTIFY message.

DTN_WMKEYDOWN

    lpDTKeystroke = (LPNMDATETIMEWMKEYDOWN)lParam;

Parameters

lParam

A pointer to an NMDATETIMEWMKEYDOWN structure containing information about this instance of the notification code. The structure includes information about the key that the user typed, the substring that defines the callback field, and the current system date and time.

Return value

The owner of the control must return zero.

Remarks

Handling this notification code allows the owner of the control to provide specific responses to keystrokes within the callback fields of the control.

Requirements

Requirement	Value
Minimum supported client	Windows Vista [desktop apps only]
Minimum supported server	Windows Server 2003 [desktop apps only]
Header	Commctrl.h
Unicode and ANSI names	DTN_WMKEYDOWNW (Unicode) and DTN_WMKEYDOWNA (ANSI)