PageControl

Inheritance Hierarchy

          IComponent

          IControl

          IPageControl

          PageControl

Description

The PageControl component is a multi-page panel, which enables the user to save the application window space by positioning pages of various contents on the same place (on top of each other).

Working with the Component

To select a page, click on the corresponding tab or press CTRL+TAB (next page), CTRL+SHIFT+TAB (previous page).

The simplest way of working with pages is to right-click the component and select required context menu item: Add Page to create a new page, or Delete Page to delete the current page. Each created page is the object of the  PageControlSheet class.

Example

Properties of the PageControl Component

  Property name Brief description
ActiveSheet The ActiveSheet property determines a component active page.
Align The Align property determines behavior of the component when its parent component is resized.
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.
Brush The Brush property determines the brush that is used to fill component area.
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.
ComponentCount The ComponentCount property returns the number of child components.
Components The Components property returns the child component.
Cursor The Cursor property determines the look of the cursor over the component.
Data The Data property is used to store any custom data.
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.
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.
HotTrack The HotTrack property determines whether the tab label changes color on mouseover.
Images The Images property determines a name of the ImageList component, which images are used in the component.
Left The Left property determines the coordinate of the left border of the component.
MultiLine The MultiLine property determines whether the tabs for the component pages are placed in multiple rows if they do not fit into a single row.
Name The Name property determines a component name.
Pages The Pages property returns the component pages collection.
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.
RaggedRight The RaggetRighd property determines whether the width of component tabs can be changed to align them by the component right edge.
ScrollOpposite The ScrollOpposite property determines the way to move tabs when they are arranged in multiple rows.
Scrolls The Scrolls property returns parameters of component's scrollbars.
ShowHint The ShowHint property enables and disables showing a component tooltip.
  Style The Style property determines the appearance of component tabs.
TabOrder The TabOrder property determines the component position in the tab order.
TabPosition The TabPosition property determines the position of component tabs.
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 PageControl 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 PageControl 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 after another tab has been selected.
OnChanging The OnChanging event occurs on moving from one tab to another.
OnClick The OnClick event occurs if the user clicks the component area.
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.
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