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Create the column headerSometimes it is necessary to cover the Column Header across multiple columns. Refer to the below code example. C# //Event triggered from Form_load this.gridGroupingControl1.QueryCoveredRange += gridGroupingControl1_QueryCoveredRange; void gridGroupingControl1_QueryCoveredRange(object sender, GridTableQueryCoveredRangeEventArgs e) { GridTable table = e.Table; if (e.RowIndex < table.DisplayElements.Count) { Element el = table.DisplayElements[e.RowIndex]; if (el.Kind == DisplayElementKind.ColumnHeader && el is ColumnHeaderRow) { GridTableCellStyleInfo style = table.GetTableCellStyle(e.RowIndex, e.ColIndex); GridTableCellStyleInfoIdentity id = style.TableCellIdentity; if (id.Column != null && id.Column.MappingName == "Col0") { // Covering the Col0 across 2 columns. e.Range = GridRangeInfo.Cells(e.RowIndex, e.ColIndex, e.RowIndex, e.ColIndex + 1); e.Handled = true; } } } }
VB 'Event triggered from Form_load AddHandler Me.gridGroupingControl1.QueryCoveredRange, AddressOf gridGroupingControl1_QueryCoveredRange Private Sub gridGroupingControl1_QueryCoveredRange(ByVal sender As Object, ByVal e As GridTableQueryCoveredRangeEventArgs) Dim table As GridTable = e.Table If e.RowIndex < table.DisplayElements.Count Then Dim el As Element = table.DisplayElements(e.RowIndex) If el.Kind = DisplayElementKind.ColumnHeader AndAlso TypeOf el Is ColumnHeaderRow Then Dim style As GridTableCellStyleInfo = table.GetTableCellStyle(e.RowIndex, e.ColIndex) Dim id As GridTableCellStyleInfoIdentity = style.TableCellIdentity If id.Column IsNot Nothing AndAlso id.Column.MappingName = "Col0" Then ' Covering the Col0 across 2 columns. e.Range = GridRangeInfo.Cells(e.RowIndex, e.ColIndex, e.RowIndex, e.ColIndex + 1) e.Handled = True End If End If End If End Sub
Figure 1: ColumnHeader Col0 covers two columns. Samples: C#: ColumnHeadercoverstwoColumn-C#. VB: ColumnHeadercoverstwoColumn-VB.
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2X faster development
The ultimate WinForms UI toolkit to boost your development speed.
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