DateTimePicker

Inheritance Hierarchy

          IComponent

          IControl

          ICommonCalendar

          IDateTimePicker

          DateTimePicker

Description

The DateTimePicker component implements a drop-down calendar, which enables the user to edit date and time values. The calendar supports dates within the range between 01.01.1601 and 31.12.9999.

Features of Use

A language to display text of various component elements depends on regional settings of the operating system.

The Colors property can be used to change formatting of various calendar elements.

NOTE. Color formatting of calendar is unavailable in Windows 7 when the Aero theme is used, and in later operating systems.

Example

Properties of the DateTimePicker 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.
AllowEmpty The AllowEmpty property determines whether it is possible to clear date by pressing the DELETE key.
Anchors The Anchors property returns settings that determine the percentage of the size change for the current component when the parent component is resized.
BorderStyle The BorderStyle property determines a component border style.
Brush The Brush property determines the brush that is used to fill component area.
Checked The Checked property determines whether the component checkbox is selected.
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.
Colors The Colors property returns calendar color formatting settings.
ComponentCount The ComponentCount property returns the number of child components.
Components The Components property returns the child component.
CurrentDate The CurrentDate property determines the current date and time specified in the calendar.
Cursor The Cursor property determines the look of the cursor over the component.
Data The Data property is used to store any custom data.
DateFormat The DateFormat property determines the format of displaying the date in the component.
DateMode The DateMode property determines the appearance of 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.
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.
Format The Format property determines the format of displaying date or time.
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.
IsEmpty The IsEmpty property returns whether component data is changed.
IsValidDate The IsValidDate property determines whether the specified value can be set as a component value.
Kind The Kind property determines whether the component displays date or time.
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, which the user can work with.
MinDate The MinDate property determines the minimum value of the date, with which the user can work.
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 the CheckBox component is displayed in the component window.
ShowHint The ShowHint property enables and disables showing a component tooltip.
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 DateTimePicker 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.
Reset The Reset method resets the component date.
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 DateTimePicker 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 calendar sheet.
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 after expanding the calendar sheet.
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:

Additional Components