JVCL Help:TJvDBTreeView

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Class Hierarchy

TJvCustomDBTreeView
TJvDBTreeView
TJvPopupTree
run\JvDBTreeView.pas


Summary

Implements a data-aware tree view control.

run\JvDBTreeView.pas


Pascal

 run\JvDBTreeView.pas
 TJvDBTreeView = class(TJvCustomDBTreeView);


Description

  1. JVCLInfo

TJvDBTreeView is a TJvCustomDBTreeView descendant that implements a data-aware tree view control. TJvDBTreeView introduces no new functionality, but publishes properties found in TJvCustomDBTreeView.

Fields description:

 MasterField: is equivalent to the absoluteIndex of the treeView, a unique ID for each treeNode or record in the table.
 DetailField: is the hierachical link to the parent item, a foreing key to the master filed in a self relation table
 ItemField:   is the field that contain the display name or the caption of a treeNode.
 ImageField:  is a integer field that point to a image index on a TImageList object that contains the icons for the treeView.  
 startMasterValue: is the begining level to start build the TreeView, 0 or nil, start from the root itens, 1 start from the second level, and so on.

run\JvDBTreeView.pas


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run\JvDBTreeView.pas



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