Date and Time Picker Controls Notifications (Compact 2013)

3/28/2014

The following table shows the date and time picker controls notifications, with a description of the purpose of each.

Programming element	Description
DTN_CLOSEUP	This message is sent by a date and time picker (DTP) control when the user closes the drop-down month calendar.
DTN_DATETIMECHANGE	This message is sent by a date and time picker (DTP) control whenever a change occurs.
DTN_DROPDOWN	This message is sent by a date and time picker (DTP) control when the user activates the drop-down month calendar.
DTN_FORMAT	This message is sent by a date and time picker (DTP) control to request text to be displayed in a callback field.
DTN_FORMATQUERY	This message is sent by a date and time picker (DTP) control to retrieve the maximum allowable size of the string that will be displayed in callback field.
DTN_USERSTRING	This message is sent by a date and time picker (DTP) control when a user completes editing a string in the control.
DTN_WMKEYDOWN	This message is sent by a date and time picker (DTP) control when the user types in a callback field.

See Also