JVCL Help:EJvDBTreeViewError

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Class Hierarchy

EJvDBTreeViewError
run\JvDBTreeView.pas


Summary

Exception raised when the dataset for the TJvDBTreeView data-aware tree view is in an invalid state.

run\JvDBTreeView.pas


Pascal

 run\JvDBTreeView.pas
 EJvDBTreeViewError = class(ETreeViewError);


Description

EJvDBTreeViewError is an ETreeViewError descendant that represents an exception raised when the underlying dataset for the TJvDBTreeView data-aware tree view is in an invalid state.
EJvDBTreeViewError is raised with the following messages and their associated meanings:

Message Meaning
RsEDataSetNotActive Dataset is unassigned or not opened.
RsEErrorValueForDetailValue Data for the mater/detail relationship is no longer valid.
RsEInternalError Data for the mater/detail relationship represents a circular reference.
RsEMoveToModeError Reparenting a tree node results in an invalid tree representation occurs during a Drag-and-Drop operation.

run\JvDBTreeView.pas


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run\JvDBTreeView.pas



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