This message sets the time in a date and time picker (DTP) control.
At a Glance
| Header file: | Commctrl.h |
| Windows CE versions: | 2.0 and later |
| Related macro: | DateTime_SetSystemtime |
Syntax
DTM_SETSYSTEMTIME wParam = (WPARAM) flag;
lParam = (LPARAM) lpSysTime;
Parameters
flag
Specifies the action that should be performed. It is one of the following values:
| Value | Description |
| GDT_VALID | Sets the DTP control according to the data within the structure that lpSysTime points to. |
| GDT_NONE | Sets the DTP control to “no date” and clear its check box. lpSysTime is ignored when this flag is specified. This flag applies only to DTP controls that are set to the DTS_SHOWNONE style. |
lpSysTime
Long pointer to a SYSTEMTIME structure that contains the system time used to set the DTP control.
Return Values
Nonzero indicates success. Zero indicates otherwise.