TCalendarDialog/zh CN: what changed
Revision 0 to 1. Removed lines have a minus sign; added lines have a plus sign.
Title: TCalendarDialog/zh CN
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| 1 | + | **TCalendarDialog**  就是能帮你选择日期的一个控件而已. 在 [[Dialogs tab]] 的 [[Component Palette]]. | |
| 2 | + | ||
| 3 | + | <figure> | |
| 4 | + | <img src="component-TCalendarDialog.png" title="component-TCalendarDialog.png" /> | |
| 5 | + | <figcaption>component-TCalendarDialog.png</figcaption> | |
| 6 | + | </figure> | |
| 7 | + | ||
| 8 | + | Execute [[Method|方法]] 来显示对话框. 选择日期后返回 [[True|true]] , 未选择就返回[[False|false]] . | |
| 9 | + | ||
| 10 | + | ## 样例 | |
| 11 | + | ||
| 12 | + | 1. 菜单中选择 工程/新建工程… | |
| 13 | + | 2. 添加 TCalendarDialog 控件  到 [[TForm|窗体]].\ | |
| 14 | + | 位置随意，因为此控件为不显示控件 [[runtime|run time]] 仅编辑状态可见. \<br \\\>  \<br \\\> 在 [[Dialogs tab]] 的 [[Component Palette|component palette]]\ | |
| 15 | + | 3. 添加 [[TButton|button]]  到窗体. | |
| 16 | + | 4. [[IDE Window: Object Inspector|对象查看器]] 中查看按钮的事件，在OnClick事件右侧点击 ... 按钮，添加对应的代码。 | |
| 17 | + | 5. 完成代码: | |
| 18 | + | ||
| 19 | + | ``` pascal | |
| 20 | + | procedure TForm1.Button1Click(Sender: TObject); | |
| 21 | + | var | |
| 22 | + | dt:tdatetime; | |
| 23 | + | calendarSettings:TDisplaySettings; | |
| 24 | + | begin | |
| 25 | + | dt:= now; | |
| 26 | + | CalendarDialog1.Date := dt; | |
| 27 | + | calendarSettings:= [dsShowWeekNumbers,dsStartMonday]; | |
| 28 | + | CalendarDialog1.Title:='Select a date'; | |
| 29 | + | CalendarDialog1.DisplaySettings:= calendarSettings; | |
| 30 | + | if CalendarDialog1.Execute then | |
| 31 | + | begin | |
| 32 | + | dt:= CalendarDialog1.Date; | |
| 33 | + | ShowMessage( 'The selected date is '+FormatDateTime( 'yyyy-mm-dd',dt )); | |
| 34 | + | end | |
| 35 | + | else | |
| 36 | + | ShowMessage( 'Today is '+FormatDateTime( 'yyyy-mm-dd',dt )); | |
| 37 | + | end; | |
| 38 | + | ``` | |
| 39 | + | ||
| 40 | + | ## 参考资料 | |
| 41 | + | ||
| 42 | + | - [[doc:lcl/dialogs/tcalendardialog.html|TCalendarDialog doc]] | |
| 43 | + | - [[TDBDateTimePicker]] | |
| 44 | + | - [[TDateTimePicker]] | |
| 45 | + | - [[TDateEdit]] | |
| 46 | + | - [[TTimeEdit]] | |
| 47 | + | - [[TDateTime]] | |
| 48 | + | ||
| 49 | + | --- | |
| 50 | + | *From the Free Pascal wiki, page "TCalendarDialog/zh CN", as it stood on 2020-05-03 after a change by TyphonFinger, out of the wiki's dump of 2024-05-26. Copyright stays with the author who wrote it, according to the old wiki's [[Licensing]] page. If you have concerns about this material, [message the admin](/wiki-contact).* |