怎样用SDK读写Date Time Picker控件？用什么函数？
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Date and Time Picker Control Reference--------------------------------------------------------------------------------This section contains information about the API elements used with date and time picker controls.
Overviews
Date and Time Picker Controls
A date and time picker (DTP) control provides a simple and intuitive interface through which to exchange date and time information with a user.Macros
DateTime_GetMonthCal
Retrieves the handle to a date and time picker's (DTP) child month calendar control. You can use this macro or send the DTM_GETMONTHCAL message explicitly. DateTime_GetMonthCalColor
Retrieves the color for a given portion of the month calendar within a date and time picker (DTP) control. You can use this macro or send the DTM_GETMCCOLOR message explicitly. DateTime_GetMonthCalFont
Retrieves the font that the date and time picker (DTP) control's child month calendar control is currently using. You can use this macro or send the DTM_GETMCFONT message explicitly. DateTime_GetRange
Retrieves the current minimum and maximum allowable system times for a date and time picker (DTP) control. You can use this macro, or send the DTM_GETRANGE message explicitly. DateTime_GetSystemtime
Retrieves the currently selected time from a date and time picker (DTP) control and places it in a specified SYSTEMTIME structure. You can use this macro, or send the DTM_GETSYSTEMTIME message explicitly. DateTime_SetFormat
Sets the display of a date and time picker (DTP) control based on a given format string. You can use this macro or send the DTM_SETFORMAT message explicitly. DateTime_SetMonthCalColor
Sets the color for a given portion of the month calendar within a date and time picker (DTP) control. You can use this macro or send the DTM_SETMCCOLOR message explicitly. DateTime_SetMonthCalFont
Sets the font to be used by the date and time picker (DTP) control's child month calendar control. You can use this macro or explicitly send the DTM_SETMCFONT message. DateTime_SetRange
Sets the minimum and maximum allowable system times for a date and time picker (DTP) control. You can use this macro or send the DTM_SETRANGE message explicitly. DateTime_SetSystemtime
Sets a date and time picker (DTP) control to a given date and time. You can use this macro or send the DTM_SETSYSTEMTIME message explicitly. Messages
DTM_GETMCCOLOR
Retrieves the color for a given portion of the month calendar within a date and time picker (DTP) control. You can send this message explicitly or use the DateTime_GetMonthCalColor macro. DTM_GETMCFONT
Retrieves the font that the date and time picker (DTP) control's child month calendar control is currently using. You can send this message explicitly or use the DateTime_GetMonthCalFont macro. DTM_GETMONTHCAL
Retrieves the handle to a date and time picker's (DTP) child month calendar control. You can send this message explicitly or use the DateTime_GetMonthCal macro. DTM_GETRANGE
Retrieves the current minimum and maximum allowable system times for a date and time picker (DTP) control. You can send this message explicitly or use the DateTime_GetRange macro. DTM_GETSYSTEMTIME
Retrieves the currently selected time from a date and time picker (DTP) control and places it in a specified SYSTEMTIME structure. You can send this message explicitly or use the DateTime_GetSystemtime macro. DTM_SETFORMAT
Sets the display of a date and time picker (DTP) control based on a given format string. You can send this message explicitly or use the DateTime_SetFormat macro. DTM_SETMCCOLOR
Sets the color for a given portion of the month calendar within a date and time picker (DTP) control. You can send this message explicitly or use the DateTime_SetMonthCalColor macro. DTM_SETMCFONT
Sets the font to be used by the date and time picker (DTP) control's child month calendar control. You can send this message explicitly or use the DateTime_SetMonthCalFont macro.DTM_SETRANGE
Sets the minimum and maximum allowable system times for a date and time picker (DTP) control. You can send this message explicitly or use the DateTime_SetRange macro. DTM_SETSYSTEMTIME
Sets the time in a date and time picker (DTP) control. You can send this message explicitly or use the DateTime_SetSystemtime macro. Notifications
DTN_CLOSEUP
Sent by a date and time picker (DTP) control when the user closes the drop-down month calendar. The month calendar is closed when the user chooses a date from the month calendar or clicks the drop-down arrow while the calendar is open. DTN_DATETIMECHANGE
Sent by a date and time picker (DTP) control whenever a change occurs. This notification message is sent in the form of a WM_NOTIFY message. DTN_DROPDOWN
Sent by a date and time picker (DTP) control when the user activates the drop-down month calendar. DTN_FORMAT
Sent by a date and time picker (DTP) control to request text to be displayed in a callback field. This notification message is sent in the form of a WM_NOTIFY message. DTN_FORMATQUERY
Sent by a date and time picker (DTP) control to retrieve the maximum allowable size of the string that will be displayed in a callback field. This notification message is sent in the form of a WM_NOTIFY message. DTN_USERSTRING
Sent by a date and time picker (DTP) control when a user finishes editing a string in the control. This notification message is only sent by DTP controls that are set to the DTS_APPCANPARSE style. This message is sent in the form of a WM_NOTIFY message. DTN_WMKEYDOWN
Sent by a date and time picker (DTP) control when the user types in a callback field. This message is sent in the form of a WM_NOTIFY message. NM_KILLFOCUS (date time)
Notifies a date and time picker control's parent window that the control has lost the input focus. NM_KILLFOCUS (date time) is sent in the form of a WM_NOTIFY message. NM_SETFOCUS (date time)
Notifies a date and time picker control's parent window that the control has received the input focus. NM_SETFOCUS (date time) is sent in the form of a WM_NOTIFY message. Structures
NMDATETIMECHANGE
Contains information about a change that has taken place in a date and time picker (DTP) control. This structure is used with the DTN_DATETIMECHANGE notification message. NMDATETIMEFORMAT
Contains information about a portion of the format string that defines a callback field within a date and time picker (DTP) control. It carries the substring that defines the callback field and contains a buffer to receive the string that will be displayed in the callback field. This structure is used with the DTN_FORMAT notification message. NMDATETIMEFORMATQUERY
Contains information about a date and time picker (DTP) control callback field. It contains a substring (taken from the control's format string) that defines a callback field. The structure receives the maximum allowable size of the text that will be displayed in the callback field. This structure is used with the DTN_FORMATQUERY notification message. NMDATETIMESTRING
Contains information specific to an edit operation that has taken place in a date and time picker (DTP) control. This message is used with the DTN_USERSTRING notification message. NMDATETIMEWMKEYDOWN
Carries information used to describe and handle a DTN_WMKEYDOWN notification message. Constants
Date and Time Picker Control Styles
The window styles listed here are specific to date and time picker controls.--------------------------------------------------------------------------------© 2003 Microsoft Corporation. All rights reserved.