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Form1.cs
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Form1.cs
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using DevExpress.XtraGrid.Columns;
using DevExpress.XtraGrid.Views.Base;
using DevExpress.XtraGrid.Views.Grid;
using DevExpress.XtraGrid.Views.Grid.ViewInfo;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace Sample {
public partial class Form1 : DevExpress.XtraEditors.XtraForm {
public Form1() {
InitializeComponent();
gridView1.FocusedRowChanged += gridView1_FocusedRowChanged;
gridView1.FocusedColumnChanged += gridView1_FocusedColumnChanged;
}
private void gridView1_FocusedColumnChanged(object sender, FocusedColumnChangedEventArgs e) {
RefreshRow(gridView1.FocusedRowHandle, e.PrevFocusedColumn);
RefreshRow(gridView1.FocusedRowHandle, e.FocusedColumn);
}
private void gridView1_FocusedRowChanged(object sender, FocusedRowChangedEventArgs e) {
RefreshRow(e.PrevFocusedRowHandle, gridView1.FocusedColumn);
RefreshRow(e.FocusedRowHandle, gridView1.FocusedColumn);
}
private void RefreshRow(int rowHandle, GridColumn column) {
if(!gridView1.IsValidRowHandle(rowHandle) || column == null) return;
List<GridColumn> columns = gridView1.VisibleColumns.OfType<GridColumn>().Where(x => x.VisibleIndex > column.VisibleIndex).ToList();
GridCellInfoCollection cells = GetMergeCells(rowHandle, column);
if(cells != null)
foreach(GridCellInfo cell in cells)
foreach(GridColumn col in columns)
gridView1.RefreshRowCell(cell.RowHandle, col);
}
private GridCellInfoCollection GetMergeCells(int rowHandle, GridColumn column) {
GridViewInfo viewInfo = gridView1.GetViewInfo() as GridViewInfo;
GridDataRowInfo rowInfo = viewInfo.GetGridRowInfo(rowHandle) as GridDataRowInfo;
if(rowInfo != null) {
GridCellInfo cellInfo = rowInfo.Cells[column];
if(cellInfo != null && cellInfo.IsMerged)
return cellInfo.MergedCell.MergedCells;
}
return null;
}
private void gridView1_RowCellStyle(object sender, RowCellStyleEventArgs e) {
GridCellInfoCollection cells = GetMergeCells(gridView1.FocusedRowHandle, gridView1.FocusedColumn);
if(cells != null)
foreach(GridCellInfo cell in cells)
if(cell.RowHandle == e.RowHandle && e.Column.VisibleIndex > gridView1.FocusedColumn.VisibleIndex)
e.Appearance.BackColor = Color.Orange;
}
private void XtraForm1_Load(object sender, EventArgs e) {
// TODO: This line of code loads data into the 'northwindDataSet.Products' table. You can move, or remove it, as needed.
this.productsTableAdapter.Fill(this.northwindDataSet.Products);
}
}
}