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Form1.cs
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Form1.cs
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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
namespace KeepSelection
{
public partial class Form1 : Form
{
KeepSelectionHelper helper;
private DataTable CreateTable(int RowCount)
{
DataTable tbl = new DataTable();
tbl.Columns.Add("Name", typeof(string));
tbl.Columns.Add("ID", typeof(int));
tbl.Columns.Add("Number", typeof(int));
tbl.Columns.Add("Date", typeof(DateTime));
for (int i = 0; i < RowCount; i++)
tbl.Rows.Add(new object[] { String.Format("Name{0}", i), i, 3 - i, DateTime.Now.AddDays(i) });
return tbl;
}
public Form1()
{
InitializeComponent();
gridControl1.DataSource = CreateTable(6);
helper = new KeepSelectionHelper(gridView1);
}
private void Form1_Load(object sender, EventArgs e)
{
}
private void simpleButton1_Click(object sender, EventArgs e)
{
gridView1.OptionsSelection.MultiSelectMode = DevExpress.XtraGrid.Views.Grid.GridMultiSelectMode.RowSelect;
helper.UpdateSelectionMode();
gridView1.ClearSelection();
gridView1.SelectRow(0);
gridView1.SelectRow(2);
gridView1.SelectRow(4);
}
private void checkButton1_CheckedChanged(object sender, EventArgs e)
{
helper.KeepSelectedOnClick = checkButton1.Checked;
}
private void simpleButton2_Click(object sender, EventArgs e)
{
gridView1.OptionsSelection.MultiSelectMode = DevExpress.XtraGrid.Views.Grid.GridMultiSelectMode.CellSelect;
helper.UpdateSelectionMode();
gridView1.ClearSelection();
gridView1.SelectCell(0, gridView1.VisibleColumns[0]);
gridView1.SelectCell(1, gridView1.VisibleColumns[1]);
gridView1.SelectCell(2, gridView1.VisibleColumns[2]);
gridView1.SelectCell(3, gridView1.VisibleColumns[3]);
gridView1.SelectCell(2, gridView1.VisibleColumns[0]);
gridView1.SelectCell(3, gridView1.VisibleColumns[1]);
gridView1.SelectCell(4, gridView1.VisibleColumns[2]);
gridView1.SelectCell(5, gridView1.VisibleColumns[3]);
}
}
}