TdxGanttControlViewSheetOptions.AddExtendedAttributeColumn(string) Method

Appends a custom field to a View sheet.

Declaration

function AddExtendedAttributeColumn(const AFieldName: string): TdxGanttControlSheetColumn;

Parameters

Name	Type	Description
AFieldName	string	A customizable column name.

Returns

Type	Description
TdxGanttControlSheetColumn	A customizable sheet column.

Remarks

Custom fields are sheet columns that store extra information about a task or resource.

A field name defines the in-place editor type for column cells. The table below shows available field names and the corresponding in-place editors:

Field Name	In-Place Editor
Cost	Currency editor
Date	Date editor
Finish
Start
Flag	Check Box
Number	Spin Editor
Text	Text Editor

The control recognizes a column as a custom field if the following conditions are met:

• A field index follows the field name (“Cost1”)
• A field index is greater than zero

The code example below shows how to add the Completed column that can store the Boolean data type to the Chart View‘s task sheet:

Delphi

var
  ACustomField: TdxGanttControlSheetColumn;
  ASheetOptions: TdxGanttControlChartViewSheetOptions;
begin
  ASheetOptions := dxGanttControl1.ViewChart.OptionsSheet;
  ACustomField := ASheetOptions.AddExtendedAttributeColumn('Flag1');
  ACustomField.Caption := 'Completed';
end;

C++

{
  TdxGanttControlChartViewSheetOptions *ASheetOptions = dxGanttControl1->ViewChart->OptionsSheet;
  TdxGanttControlSheetColumn *ACustomField = ASheetOptions->AddExtendedAttributeColumn("Flag1");
  ACustomField->Caption = "Completed";
}

Add Column at Runtime

A user should right-click a column header and choose “Insert Column” in the context menu.

Note

The control‘s history does not store information about added columns.