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DTM_SETFORMAT message (Commctrl.h) |
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. |
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reference |
05/31/2018 |
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.
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wParam
- Must be zero.
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lParam
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A pointer to a zero-terminated format string that defines the desired display. Setting this parameter to NULL will reset the control to the default format string for the current style.
Returns nonzero if successful, or zero otherwise.
It is acceptable to include extra characters within the format string to produce a more rich display. However, any nonformat characters must be enclosed within single quotes. For example, the format string "'Today is: 'hh':'m':'s ddddMMMdd', 'yyy" would produce output like "Today is: 04:22:31 Tuesday Mar 23, 1996".
Note
A DTP control tracks locale changes when it is using the default format string. If you set a custom format string, it will not be updated in response to locale changes.
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows Vista [desktop apps only] |
| Minimum supported server |
Windows Server 2003 [desktop apps only] |
| Header |
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| Unicode and ANSI names |
DTM_SETFORMATW (Unicode) and DTM_SETFORMATA (ANSI) |