Delphi-virtualtreeview Control

A very useful list control that can be used to replace the built-in listview and Treeview of Delphi, and has been updated. Currently, the latest xe2 is supported.

Http://www.soft-gems.net

SVN address: http://virtual-treeview.googlecode.com/svn/trunk

The basic usage method is not much said. You can look at the demo, or Baidu, there are still some tutorials. I will only record some attribute methods here for your convenience.

 

[Attribute]

 

Editdelay = cell editing Response Time
Hintanimation = hint animation effect

Hintmode = hint Display Mode
Linemode = grid Line Mode
Linestyle = grid line style

 

Header> autosizeindex = column index with adaptive width

 

Header> Options> hoautoresize = column adaptive width switch

Header> Options> hocolumnresize = whether the column width can be adjusted freely

Header> Options> hodblclickresize = double-click the demarcation line to automatically change the column degree.

Header> Options> hodrag = whether drag and drop operations are supported

Header> Options> hohottrack = highlight the current column

Header> Options> hoheightresize = whether the column height can be adjusted freely

 

Treeoptions> autooptions> toautoexpand = click expand node and collapse other nodes

Treeoptions> autooptions> toautotristatetracking = three-state check box adaptive selection, that is, after the child node is selected, the check status of the parent node changes

 

Treeoptions> miscoptions> tochecksupport = whether to display the check box. You also need to set the checktype attribute of the node.

Treeoptions> miscoptions> toeditable = whether to allow clicking to edit a cell

Treeoptions> miscoptions> tofullrepaintonresize = Refresh the display data when the control size changes

Treeoptions> miscoptions> totoggleondblclick = double-click to expand a node

 

Treeoptions> paintoptions> tohideselection = hide the selected focus

Treeoptions> paintoptions> tohottrack = whether the current row is underlined

Treeoptions> paintoptions> toshowdropmark = whether to display the insert tag when dragging

Treeoptions> paintoptions> toshowroot = show parent node expand button

Treeoptions> paintoptions> toshowhorzgridlines = horizontal grid line switch

Treeoptions> paintoptions> toshowtreelines = connection line between parent and child nodes

Treeoptions> paintoptions> toshowvertgridlines = vertical gridline Switch

Treeoptions> paintoptions> tothemeaware = Application System topic

Treeoptions> paintoptions> toalwayshideselection = always hide Selection

Treeoptions> paintoptions> tochildrenabove = the parent node is under the child node.

 

Treeoptions> selectionoptions> todisabledrawselection = Box selection switch

Treeoptions> selectionoptions> toextendedfocus = whether to allow focus on cells with cloumn> 0 (only when focus is available)

Treeoptions> selectionoptions> tofullrowselect = select the entire row

Treeoptions> selectionoptions> tomultiselect = Can multiple options be selected?

Treeoptions> selectionoptions> torightclickselect = right-click whether to select

Treeoptions> selectionoptions> tosimpledrawselection = when the box is selected, the row can be selected as long as it is in the box.

 

Treeoptions> stringoptions> toshowstatictext = whether to display static text (the characters displayed after the node body, static text cannot be edited)

 

【Method]

 

Topnode = set the node at the top of the list, which can be used to locate the node row

Scrollintoview = sets the position of the scroll bar, which can be used to locate the node row.

 

[Event]

 

Onbeforeitemerase = self-painted item. For example, changing the baseline color

Onchange = when the focus changes
Oncreateeditor = set the edit box style of a cell, such as tedit and tcombobox. You need to implement the ivteditlink interface by yourself. For details, refer to the advanced demo.
Onexpanded = triggered when the node is expanded

Oncollapsed = triggered after nodes are collapsed
Onpainttext = set the font effect of the unit content, and draw progress bars.
Onhotchange = triggered when the hotspot node changes, that is, when the mouse is hovering