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Form1.cs
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Form1.cs
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using DevExpress.Utils.Drawing;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
namespace KeepGroupsExpanded {
public partial class Form1 : Form {
public Form1() {
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e) {
new DevExpress.XtraGrid.Design.XViewsPrinting(gridControl1);
gridView1.Columns["Discontinued"].GroupIndex = 0;
gridView1.ExpandAllGroups();
gridView1.OptionsMenu.EnableGroupPanelMenu = false;
}
private void gridView1_CustomDrawGroupRow(object sender, DevExpress.XtraGrid.Views.Base.RowObjectCustomDrawEventArgs e) {
DevExpress.XtraGrid.Views.Grid.ViewInfo.GridGroupRowInfo info;
info = e.Info as DevExpress.XtraGrid.Views.Grid.ViewInfo.GridGroupRowInfo;
info.ButtonBounds = Rectangle.Empty;
info.GroupText = " " + info.GroupText.TrimStart();
e.Cache.FillRectangle(e.Appearance.GetBackBrush(e.Cache), e.Bounds);
ObjectPainter.DrawObject(e.Cache, e.Painter, e.Info);
e.Handled = true;
}
private void gridView1_GroupRowCollapsing(object sender, DevExpress.XtraGrid.Views.Base.RowAllowEventArgs e) {
e.Allow = false;
}
}
}