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MultiSelectionHelper.cs
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MultiSelectionHelper.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;
using DevExpress.XtraGrid.Views.Grid;
using DevExpress.XtraGrid.Views.Grid.ViewInfo;
using DevExpress.Utils;
namespace WindowsApplication1
{
public class MultiSelectionHelper
{
private GridView _GridView;
public MultiSelectionHelper(GridView gridView)
{
_GridView = gridView;
InitProperties();
SubscribeEvents();
}
private void InitProperties()
{
_GridView.OptionsBehavior.Editable = false;
_GridView.OptionsSelection.MultiSelect = true;
_GridView.OptionsSelection.EnableAppearanceFocusedCell = false;
_GridView.FocusRectStyle = DrawFocusRectStyle.None;
}
private void SubscribeEvents()
{
_GridView.MouseDown += _GridView_MouseDown;
}
private void _GridView_MouseDown(object sender, MouseEventArgs e)
{
OnMouseDown(e);
}
private void OnMouseDown(MouseEventArgs e)
{
GridHitInfo hi = _GridView.CalcHitInfo(e.Location);
if (!hi.InRow)
{
return;
}
_GridView.FocusedRowHandle = hi.RowHandle;
_GridView.FocusedColumn = hi.Column;
_GridView.InvertRowSelection(hi.RowHandle);
DXMouseEventArgs.GetMouseArgs(e).Handled = true;
}
}
}