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All Atlas Virtual Grid components · Atlas Virtual Grid guide

TAtlasGridMessageEvent

Method type of TAtlasVirtualGrid.OnEditError: the reason a value was refused.

Type Unit Atlas.VGrid · Product Atlas Virtual Grid

Description

TAtlasGridMessageEvent = procedure(Sender: TObject; const Message: string) of object; Sender is the grid and Message the text of the EAtlasGridError that refused the value; LastError holds the same text.

This type has no members of its own beyond those listed in its description.

Examples

Show why an edit was refused

From the VirtualAndPlotGrid sample, assigned to OnEditError of both grids.

pascal
uses Vcl.StdCtrls, Atlas.VGrid;

procedure TVirtualPlotForm.EditRejected(Sender: TObject; const Message: string);
begin
  FStatus.Caption := 'Not accepted: ' + Message;
end;

TAtlasVirtualGrid · EAtlasGridError

Also in Atlas Virtual Grid

TAtlasVirtualGrid · TAtlasMemoryData · TAtlasVirtualData · TAtlasPlotData