Unit 'msedbedit'	Package
[Overview][Constants][Types][Classes][Procedures and functions][Index]	[#msegui]

tcustomdbwidgetgrid

[Properties (by Name)] [Methods (by Name)]

The grid has no data buffer of its own

Declaration

Source position: msedbedit.pas line 1871

type tcustomdbwidgetgrid = class(tcustomwidgetgrid,igriddatalink)

public

constructor create(); override;

destructor destroy; override;

function focuscell(); override;

function canclose(); override;

procedure rowup(); override;

procedure rowdown(); override;

procedure pageup(); override;

procedure pagedown(); override;

procedure wheelup(); override;

procedure wheeldown(); override;

procedure lastrow(); override;

procedure firstrow(); override;

property datalink: tgriddatalink; [rw]

property zebra_step: Integer;

property fixcols: tdbwidgetfixcols; [rw]

property datacols: tdbwidgetcols; [rw]

end;

Inheritance

`tcustomdbwidgetgrid`		The grid has no data buffer of its own
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`tcustomwidgetgrid,igriddatalink`
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`tcustomgrid`		A grid widget
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`tpublishedwidget,iautoscrollframe,iobjectpicker,iscrollbar,idragcontroller,istatfile,iifigridlink,iassistiveclientgrid`
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`tpublishedwidgetnwr`
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`tactionpublishedwidgetnwr`
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`tactionwidget`
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`twidget`
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`tactcomponent,iscrollframe,iface,iassistiveclient`
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`tmsecomponent,iactivatorclient`		Extends the FPC tcomponent with object linking facilities and the like; base of every MSEgui component
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`tcomponent,ievent,iificommand,iificlient`
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`tpersistent`
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`TObject`

Description

The grid has no data buffer of its own: every row is read directly from the bound dataset through datalink, so walking rows means scrolling the dataset, not iterating some local cache.