DateTimePickerEx

Inheritance Hierarchy

          IComponent

          IControl

          IDateTimePickerEx

          DateTimePickerEx

Description

The DateTimePickerEx component implements a drop-down calendar, which enables the user to edit date and time values with additional settings to change calendar appearance. The calendar supports dates within the range between 01.01.1601 and 31.12.9999.

Working with the Component

Different Show* properties enable the user to set up component appearance. These properties enable the user to determine the following settings:

• Whether to display the checkbox, managing access to editor (ShowCheckbox).

• Whether to display fields for editing time component (ShowTime).

• Whether to display buttons responsible for the mode of setting date in the calendar (different ShowMode* properties).

Data setting mode can also be set using the Mode property. Data can be set by selecting one of the periods corresponding to the mode. Value of the CurrentDate property will correspond to beginning of the selected period.

The MinDate and MaxDate properties can be used to limit a range of dates, in which the user can select value.

Features of Use

A language used for displaying text of various component elements depends on the interface language, with which the application is running.

Example

Properties of the DateTimePickerEx Component

	Property name	Brief description
	Align	The Align property determines behavior of the component when its parent component is resized.
	Alignment	The Alignment property determines the type of alignment of the drop-down calendar relative to the component borders.
	AllowDrag	The AllowDrag property determines whether an object can be dragged from the component.
	AllowDrop	The AllowDrop property determines whether the component can accept a dragged object.
	Anchors	The Anchors property returns settings that determine the percentage of the size change for the current component when the parent component is resized.
	AutoResize	The AutoResize property determines the attribute of automatic resizing of the component.
	Brush	The Brush property determines the brush that is used to fill component area.
	Checked	The Checked property determines component checkbox state.
	ClientHeight	The ClientHeight property is used to receive or specify the height of the component’s client area.
	ClientWidth	The ClientWidth property is used to receive or specify the width of the component’s client area.
	Color	The Color property determines a component background color.
	ColorBackground	The ColorBackground property determines the background color of the component edit box.
	ColorText	The ColorText property determines text color in the component edit box.
	ComponentCount	The ComponentCount property returns the number of child components.
	Components	The Components property returns the child component.
	CurrentDate	The CurrentDate property determines date and time, which are displayed in the component on form startup.
	Cursor	The Cursor property determines the look of the cursor over the component.
	Data	The Data property is used to store any custom data.
	DropCalendar	The DropCalendar property determines whether a drop-down calendar can be opened in the component.
	DroppedDown	The DroppedDown property returns whether component drop-down calendar is displayed.
	Enabled	The Enabled property determines whether the component is available for the user.
	EnableTodayButton	The EnableTodayButton property determines whether a button to set current date and time is displayed in the drop-down calendar.
	EnableWeekNumbers	The EnableWeekNumbers property determines whether week numbers are displayed in the drop-down calendar.
	FirstDayOfWeek	The FirstDayOfWeek property determines the first day of the week in the drop-down calendar.
	Focused	The Focused property returns True if the focus is set on the component.
	Font	The Font property determines the set of characteristics describing the font that is used to display text.
	Height	The Height property determines component height.
	HelpContext	The HelpContext property determines a unique index for the context help section for this component.
	Hint	The Hint property determines a component tooltip text.
	IsValidDate	The IsValidDate property determines whether the specified value can be set as a component value.
	Left	The Left property determines the coordinate of the left border of the component.
	MaxDate	The MaxDate property determines the maximum value of the date, with which the user can work.
	MinDate	The MinDate property determines the minimum value of the date, with which the user can work.
	Mode	The Mode property determines a mode of date setting in the calendar.
	MonthFormat	The MonthFormat property determines the display style of month name in the component edit box.
	Name	The Name property determines a component name.
	Parent	The Parent property determines a parent component.
	ParentColor	The ParentColor property determines whether the component inherits the color of the parent component.
	ParentFont	The ParentFont property determines whether the component uses the font of the parent component.
	ParentShowHint	The ParentShowHint property determines whether a tooltip is displayed.
	PopupMenu	The PopupMenu property determines the context menu opened by clicking the component with the additional mouse button.
	Scrolls	The Scrolls property returns parameters of component's scrollbars.
	ShowCheckbox	The ShowCheckbox property determines whether a checkbox that determines access to the component is displayed.
	ShowDate	The ShowDate property determines whether date is displayed in the component.
	ShowHint	The ShowHint property enables and disables showing a component tooltip.
	ShowModeDays	The ShowModeDays property determines whether the button to enable data setting mode by selecting day of month is displayed in the component area.
	ShowModeHalfYears	The ShowModeHalfYears property determines whether the button to enable date setting mode by selecting a half-year is displayed in the component area.
	ShowModeMonths	The ShowModeMonths property determines whether the button to enable data setting mode by selecting month of the year is displayed in the component area.
	ShowModeQuarters	The ShowModeQuarters property determines whether the button to enable data setting mode by selecting quarter of the year is displayed in the component area.
	ShowModeWeeks	The ShowModeWeeks property determines whether the button to enable data setting mode by selecting week of the half-year is displayed in the component area.
	ShowSpinButton	The ShowSpinButton property determines whether the SpinUp, SpinDown buttons that are used to change date and time values are displayed.
	ShowTime	The ShowTime property determines whether time is displayed in the component.
	SingleMonthMode	The SingleMonthMode property determines whether month numbers are separated from week numbers.
	TabOrder	The TabOrder property determines the component position in the tab order.
	TabStop	The TabStop property determines whether the component is focused when the TAB key is pressed.
	Tag	The Tag property is not used by the compiler. The user can change the value of the Tag property and use it as he wishes.
	Text	The Text property determines the row identifying a component for the user.
	Top	The Top property determines the coordinate of the top border of the component.
	Visible	The Visible property determines visibility of the component during execution.
	Width	The Width property determines component width.

Methods of the DateTimePickerEx Component

	Method name	Brief description
	BringToFront	The BringToFront method brings a component to front.
	ClientToScreen	The ClientToScreen method converts the coordinates of a point specified relative to the component coordinate system into screen coordinates.
	DoDragDrop	The DoDragDrop method enables to start dragging operation.
	GetImage	The GetImage method returns the image of the component with all the child components.
	ScreenToClient	The ScreenToClient method converts screen coordinates of a point into coordinates specified relative to the component coordinate system.
	SendToBack	The SendToBack method sends a component to back.
	SetFocus	The SetFocus method sets focus to this component.

Events of the DateTimePickerEx Component

	Event name	Brief description
	OnBeginDrag	The OnBeginDrag event occurs for a component when the user starts to drag an object from the component.
	OnChange	The OnChange event occurs when date/time is changed in the component.
	OnClick	The OnClick event occurs if the user clicks the component area.
	OnCloseUp	The OnCloseUp event occurs after collapsing the drop-down calendar.
	OnDblClick	The OnDblClick event occurs if the user double-clicks the component area.
	OnDragDrop	The OnDragDrop event occurs for the component if the user drops a dragged object over it.
	OnDragEnter	The OnDragEnter event occurs when a dragged object crosses the borders of this component.
	OnDragLeave	The OnDragLeave event occurs when a dragged object leaves the borders of this component.
	OnDragOver	The OnDragOver event occurs for the component when the user drags an object over it.
	OnDropDown	The OnDropDown event occurs right after expanding the calendar.
	OnEnter	The OnEnter event occurs when the component receives focus.
	OnExit	The OnExit event occurs when the component loses focus.
	OnHScroll	The OnHScroll event occurs when horizontal scrollbar slider changes its position.
	OnKeyDown	The OnKeyDown event occurs if the component is focused and a keyboard key is pressed.
	OnKeyPress	The OnKeyPress event occurs if the component is focused when the user presses a character key.
	OnKeyPreview	The OnKeyPreview event occurs prior to each event related to key pressing.
	OnKeyUp	The OnKeyUp event occurs if the component is focused and the user releases any button previously pressed.
	OnMouseDown	The OnMouseDown event occurs if the pointer is in component's area and a mouse key is pressed.
	OnMouseEnter	The OnMouseEnter event occurs when mouse cursor enters the component area.
	OnMouseHover	The OnMouseHover event occurs when mouse cursor is held in the component area.
	OnMouseLeave	The OnMouseLeave event occurs when mouse cursor leaves the component area.
	OnMouseMove	The OnMouseMove event occurs on moving the cursor over component.
	OnMouseUp	The OnMouseUp event occurs on releasing mouse button when the cursor is in component area.
	OnMouseWheel	The OnMouseWheel event occurs if the component is focused when the mouse wheel is rotated.
	OnVScroll	The OnVScroll event occurs when vertical scrollbar slider changes its position.

See also:

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