Reference for unit 'ComCtrls': Types

`PDelphiNodeInfo`		A pointer to `TDelphiNodeInfo`.
`PNodeCache`		`PNodeCache` - pointer to `TNodeCache` type.
`TAddMode`		Enumerated type with values used to determine where a node should be placed in a tree.
`TCoolBandMaximize`		Not used in the current LCL implementation.
`TCTabControlCapabilities`		Set type used to store values from the TCTabControlCapability enumeration.
`TCTabControlCapability`		Represents the capabilities which can be enabled for a notebook or tab control.
`TCTabControlOption`		Represents the LCL options available for TCustomTabControl.
`TCTabControlOptions`		Set type used to store values from the TCTabControlOption enumeration.
`TCustomDrawResult`		Set type used to store TCustomDrawResultFlag enumeration values.
`TCustomDrawResultFlag`		Represents flags returned as custom drawing results.
`TCustomDrawStage`		`TCustomDrawStage` a series of constants to define the drawing stages for custom-drawn controls.
`TCustomDrawState`		`TCustomDrawState` - set of `TCustomDrawStateFlag`.
`TCustomDrawStateFlag`		`TCustomDrawStateFlag` - series of flags to define the DrawState.
`TCustomDrawTarget`		`TCustomDrawTarget` - enumerated type controlling how a target object is drawn.
`TCustomHCCreateSectionClassEvent`		Specifies the event handler signalled to get the class type for a new section on a THeaderControl instance.
`TCustomPageClass`		Class reference used to create a new TCustomPage instance.
`TCustomSectionNotifyEvent`		`TCustomSectionNotifyEvent` - generic event notification method for header section.
`TCustomSectionTrackEvent`		`TCustomSectionTrackEvent` - generic event handling method for custom tracking a header section.
`TDelphiNodeInfo`		`TDelphiNodeInfo` - record structure for Tree Node information (for Delphi compatibility).
`TDisplayCode`		`TDisplayCode` - enumerated type denoting how items are displayed.
`TDragBand`		Represents the drag actions for TCoolBar.
`TDrawPanelEvent`		Specifies an event handler used to draw a panel in a status bar.
`TDrawTabEvent`		Specifies an event handler used to draw the tab at the given index to a display rectangle on a tab control.
`TGrabStyle`		Represent drawing styles available for the grab bar in TCustomCoolBar.
`THeaderSectionClass`		Class reference used to create new THeaderSection instances.
`THeaderSectionState`		Enumerated type which represents selection states for THeaderSection.
`THitTest`		Represents permissible results for a hit test.
`THitTests`		Set type used to store values from the THitTest enumeration.
`TIconArrangement`		Represents icon arrangement options in a list view control.
`TItemChange`		`TItemChange` - enumerated type for kind of change: in text, in image, or in state.
`TItemFind`		Represents a search mechanism used to locate the data for a list view item.
`TListHotTrackStyle`		Represents cursor shapes displayed during hot tracking in a control.
`TListHotTrackStyles`		Set type used to store values from `TListHotTrackStyle`.
`TListItemClass`		Class reference used to create new instances of TListItem.
`TListItemFlag`		`TListItemFlag` - enumerated type, a flag denoting a list item is being destroyed or created.
`TListItemFlags`		Set type used to store TListItemFlag enumeration values.
`TListItemsFlag`		Widgetset flags applied to the TListItems container.
`TListItemsFlags`		Set type used to store TListItemsFlag enumeration values.
`TListItemState`		Represents state values for items in a list view control.
`TListItemStates`		Set type used to store value(s) from the TListItemState enumeration.
`TListViewFlag`		Represents flag values used in TCustomListView when sorting or validating items in the control.
`TListViewFlags`		Set type used to store values from the TListViewFlag enumeration.
`TListViewImageList`		Represents the image list sizes used in TCustomListView.
`TListViewProperties`		Set type used to store values from the TListViewProperty enumeration.
`TListViewProperty`		Represents Boolean properties used in TCustomListView.
`TLVAdvancedCustomDrawEvent`		Specifies an event handler signalled to perform advanced custom drawing for an owner-drawn list view control.
`TLVAdvancedCustomDrawItemEvent`		Specifies an event handler signalled to perform advanced custom drawing for a list view item with stage and state information.
`TLVAdvancedCustomDrawSubItemEvent`		Specifies an event handler signalled to perform advancing drawing for a list view sub-item with stage and state information.
`TLVChangeEvent`		Event handler signalled when a property value for a list view item is changed.
`TLVChangingEvent`		Defines an event handler signalled when a widgetset class is updating an item on a list view control.
`TLVCheckedItemEvent`		Specifies an event handler signalled when the checked state for an item on a list view control has been changed.
`TLVColumnClickEvent`		Specifies an event handler signalled for a mouse click on a list view column.
`TLVColumnRClickEvent`		Specifies an event handler signalled for a right mouse click on a list view column.
`TLVCompare`		Specifies a routine used to compare the values in two items in a list view control.
`TLVCompareEvent`		Specifies an event handler signalled to compare two items in a List View control.
`TLVCreateItemClassEvent`		Specifies an event handler signalled to get the class type needed to create a new list view item.
`TLVCustomDrawEvent`		Specifies an event handler signalled to custom draw a list view control.
`TLVCustomDrawItemEvent`		Specifies an event handler signalled to custom draw an item on a list view control.
`TLVCustomDrawSubItemEvent`		Specifies an event handler signalled to draw the SubItem value for a list item on a list view control.
`TLVDataEvent`		Specifies an event handler signalled to get the arbitrary data for an item on a list view control.
`TLVDataFindEvent`		Specifies an event handler used to locate a list view item using the specified search parameters and criteria.
`TLVDataHintEvent`		Specifies a handler routine for data hint events in TListView.
`TLVDataStateChangeEvent`		Not used in the current LCL implementation.
`TLVDeletedEvent`		Specifies an event handler signalled when a list view item is deleted.
`TLVDrawItemEvent`		Specifies an event handler signalled to perform default drawing for an item on a list view control.
`TLVEditedEvent`		Specifies an event handler signalled when an edit action is completed for an item on a list view control.
`TLVEditingEvent`		Specifies an event handler signalled when an edit action is started for an item on a list view control.
`TLVInsertEvent`		Specifies an event handler signalled when a list item is added to a list view control.
`TLVSelectItemEvent`		Specifies an event handler signalled when the selected state is changed for an item on a list view control.
`TMultiSelectStyle`		Set type used to store value(s) from TMultiSelectStyles.
`TMultiSelectStyles`		Represents available multi-select styles.
`TNBBasePagesClass`		Class reference used to create new instances of TNBBasePages.
`TNodeAttachMode`		Location where a new tree node is attached to its Parent, Child, or Sibling nodes.
`TNodeCache`		`TNodeCache` - a cache (temporary storage record) for a `TTreeNode` and its index.
`TNodeState`		Enumerated type denoting the state for a TreeNode.
`TNodeStates`		Set type used to store TNodeState value(s).
`TNoteBookStringsTabControlClass`		Class type reference for TNoteBookStringsTabControl
`TOldTreeNodeInfo`		`TOldTreeNodeInfo` - record type (old version) for Tree Node information.
`TPageFlag`		Contains values which can be assigned to the Flags property in TCustomPage.
`TPageFlags`		Set type used to store TPageFlag enumeration values.
`TPanelPart`		Lists the possible parts that make up a status panel.
`TPanelParts`		Set type used to store TPanelPart values.
`TProgressBarOrientation`		Represents the orientations used for a progress bar.
`TProgressBarState`		Represents state values used when drawing a progress bar.
`TProgressBarStyle`		Represents the visual display styles used for a progress bar.
`TSBCreatePanelClassEvent`		Specifies an event handler signalled to get the class type for a new status bar panel.
`TSearchDirection`		Represents a search direction used to locate the list view item that is the nearest match.
`TSectionDragEvent`		`TSectionDragEvent` - generic event handling method for dragging a header section.
`TSectionTrackState`		Enumerated type with tracking states for a header section.
`TSortDirection`		Represents the sort direction used for items in a list view control.
`TSortIndicator`		Represents the sort indicators available for a column in a list view control.
`TSortType`		Indicates the sort mechanism used for the items in tree view and list view controls.
`TStatusPanelBevel`		Enumerated type with the bevel styles used on status bar panels.
`TStatusPanelClass`		Class reference used to create new instances of TStatusPanel.
`TStatusPanelStyle`		Represents the style used for a panel on a status bar.
`TTabChangingEvent`		`TTabChangingEvent` - generic event handling method for a change in a notebook Tab.
`TTabGetImageEvent`		Specifies an event handler type used to get the position in an image list for the image on a tab.
`TTabPosition`		Represents the position for a tab relative to its page.
`TTabStyle`		`TTabStyle` - enumerated type for tab style: normal, buttons or flat buttons.
`TTickMark`		`TTickMark` - enumerated type denoting position of tick marks relative to the track bar.
`TTickStyle`		`TTickStyle` - enumerated type denoting style of tick marks.
`TToolBarFlag`		Contains values used as status flags in the TToolBar control.
`TToolBarFlags`		Set type used to store values from the TToolBarFlag enumeration.
`TToolBarOnPaintButton`		Specifies an event handler signalled to draw a button on a tool bar with a given state.
`TToolButtonActionLinkClass`		`TToolButtonActionLinkClass` - class of `TToolButtonActionLink`.
`TToolButtonFlag`		Represents flag values that can be used in a TToolButton instance.
`TToolButtonFlags`		Set type used to store values from the TToolButtonFlag enumeration.
`TToolButtonStyle`		Enumerated type with values representing the display styles and behaviors for buttons on a TToolBar control.
`TTrackBarOrientation`		Enumerated type with values that represent the orientation for a track bar.
`TTrackBarScalePos`		`TTrackBarScalePos` - enumerated type denoting position of the scale for a track bar.
`TTreeNodeArray`		Pointer to a TTreeNode type which is the first instance in an allocated block of memory.
`TTreeNodeChangeReason`		Represents reason codes passed to event handlers when a tree node has been changed.
`TTreeNodeClass`		Class type used to create new TTreeNode instances.
`TTreeNodeCompare`		`TTreeNodeCompare` - generic function to compare Tree Nodes: returns -1 if Node1 is less than Node2, zero if equal, +1 if Node1 is greater.
`TTreeNodeInfo`		`TTreeNodeInfo` - record structure for (new) Tree Node information.
`TTreeViewExpandSignType`		Represents symbols types used for expanded or collapsed tree nodes.
`TTreeViewInsertMarkType`		Represents insert mark locations used in TCustomTreeView.
`TTreeViewOption`		`TTreeViewOption` - enumerated type containing the permissible values for Options in TreeViews.
`TTreeViewOptions`		Set type used to store values from the TTreeViewOption enumeration.
`TTreeViewState`		`TTreeViewState` - enumerated type containing the permissible values for state of a `TTreeView`.
`TTreeViewStates`		Set type used to store values from the TTreeViewState enumeration.
`TTVAdvancedCustomDrawEvent`		`TTVAdvancedCustomDrawEvent` - generic event handler method for Tree View advanced custom drawing.
`TTVAdvancedCustomDrawItemEvent`		`TTVAdvancedCustomDrawItemEvent` - generic event handler method for Tree View Item advanced custom drawing.
`TTVChangedEvent`		Specifies an event handler signalled when a tree node has been changed.
`TTVChangingEvent`		Specifies an event handler signalled when a tree node is about to be changed.
`TTVCollapsingEvent`		`TTVCollapsingEvent` - generic event handling method for collapsing a Tree Node if AllowCollapse is True.
`TTVCompareEvent`		`TTVCompareEvent` - generic event handling method for comparing two Tree Nodes.
`TTVCreateNodeClassEvent`		Specifies an event handler signalled to get the class type used to create a new node for a tree view control.
`TTVCustomCreateNodeEvent`		`TTVCustomCreateNodeEvent` - generic event handling method for Tree View node creation.
`TTVCustomDrawArrowEvent`		Specifies an event handler signalled to draw a custom arrow (expand/collapse indicator) for a node on a tree view control.
`TTVCustomDrawEvent`		`TTVCustomDrawEvent` - generic event handling method for Tree View custom drawing.
`TTVCustomDrawItemEvent`		`TTVCustomDrawItemEvent` - generic event handling method for Tree View Item custom drawing.
`TTVEditedEvent`		`TTVEditedEvent` - generic event handling method for a node that has been edited.
`TTVEditingEndEvent`		Specifies an event handler signalled when an edit action for a tree view control has been completed.
`TTVEditingEvent`		`TTVEditingEvent` - generic event handling method for editing a specified node if `AllowEdit` is True.
`TTVExpandedEvent`		`TTVExpandedEvent` - generic event handling method for a Tree Node that has been expanded.
`TTVExpandingEvent`		`TTVExpandingEvent` - generic event handling method for expanding a tree node if `AllowExpansion` is True.
`TTVGetNodeText`		Specifies an event handler used to get the text for a tree node.
`TTVHasChildrenEvent`		Specifies an event handler signalled to determine if a given tree node has child nodes.
`TTVNodeChangedEvent`		Specifies an event handler signalled when values in a tree node have been changed.
`TUDAlignButton`		Contains values used to align the buttons on a TUpDown control.
`TUDBtnType`		Represents the buttons used in a TCustomUpDown control.
`TUDChangingEvent`		Specifies an event handler signalled prior to changing the value in a TUpDown control.
`TUDChangingEventEx`		Specifies an event handler signalled prior to changing the value in a TUpDown control.
`TUDClickEvent`		Specifies an event handler signalled for a button click on a TUpDown control.
`TUDOrientation`		Indicates the orientation for the arrows on a TUpDown control.
`TUpDownDirection`		Indicates whether a value in a TUpDown control is being increased, decreased, or not changed.
`TViewStyle`		Represents the view styles available for the items in a list view control.
`TWidth`		Range type with values allowed in width propertied in TListColumn.

Version 4.0

Generated 2025-05-03

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