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TCRDBGrid Members

TCRDBGrid class overview.

Properties

Name Description

Columns

To provide extended functionality TCRDBGrid component is shipped with a TCRColumn class, which is derived from the standard TColumn class but is tailored to work with TCRDBGrid only.

Filtered

Set Filtered property to specify whether record entries are filtered according to the conditional statements of individual columns or not.

LevelDelimiterChar

Set LevelDelimiterChar to set the character symbol which TCRDBGrid looks for in column captions to resolve multilevel nested columns.

OnMemoClick

Write an OnMemoClick event handler to provide custom processing of Memo fields instead of built-in Memo field editor.

OptionsEx

OptionsEx property provides control over TCRDBGrid-specific features. They complement inherited options found in Options property.

OptionsMenu

TCRDBGrid has local menu is situated in the left upper corner. Standard menu has items to show or hide filter bar and search bars. User can change content of this menu using OptionsMenu property.

Methods

Name Description

ActivateFilterEdit

Use ActivateFilterEdit at run-time to move input focus to the filter bar. It activates edit control that belongs to the column, specified by Column property.

ActivateSearchEdit

Use ActivateSearchEdit at run-time to move input focus to the search bar. It activates edit control that belongs to the column, specified by Column property.

AdjustColumns

Call AdjustColumns method at run-time to stretch all columns in a grid so that they become wide enough to accommodate every visible field value. Widths of column captions restrict minimum column sizes for this operation.

ApplyFilter

Call ApplyFilter method at run-time to update TCRDBGrid component taking into account filter statements defined for every column.

CalcTitleLevel

Call CalcTitleLevel method to set Top and Bottom values of aRect parameter record depending on Level parameter value.

ClearFilters

Call CalcFilters method to clear all filter statements for grid columns.

ClearSorting

Call ClearSorting method to discard sorting previously applied to the grid data.

DataChanged

Call DataChanged method to update displayed data and status information for the grid.

GetGridSize

Call GetGridSize method to obtain width of a client area for the grid component.

GetTitleLevel

GetTitleLevel method returns TRect structure filled with top and bottom coordinates for the specified title level.

Events

Name Description

OnGetCellParams

Write an OnGetCellParams event handler to provide custom background colors while the grid redraws individual cells.
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