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来自 计算机编程 2019-11-10 08:05 的文章
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67677新澳门手机版gridview指定单元格cell获取坐标

1 DevExpress.XtraGrid.Views.Grid.ViewInfo.GridViewInfo Info2 = gvQueryResult.GetViewInfo() as DevExpress.XtraGrid.Views.Grid.ViewInfo.GridViewInfo;
2 DevExpress.XtraGrid.Views.Grid.ViewInfo.GridCellInfo cellInfo2 = Info2.GetGridCellInfo(gvQueryResult.GetRowHandle(11), gvQueryResult.Columns[3]);//(gvQueryResult.FocusedRowHandle, gvQueryResult.FocusedColumn);
3 string m2 = cellInfo2.Bounds.X.ToString();
4 string n2 = cellInfo2.Bounds.Y.ToString();
5 txtGenData.Top = Convert.ToInt32(n2)   gctlQueryResult.Top;
6 txtGenData.Left = Convert.ToInt32(m2)   gctlQueryResult.Left;
7 btnGenData.Top = Convert.ToInt32(n2)   gctlQueryResult.Top - 1;
8 btnGenData.Left = Convert.ToInt32(m2)   124   124   gctlQueryResult.Left;
9 gvQueryResult.RefreshData();

 

 

//=============================================================================================================================

dev gridview内定单元格cell获取坐标   以上

//=============================================================================================================================

 

 

 

 

1.东躲山东最下面的GroupPanel
gridView1.OptionsView.ShowGroupPanel=false;

2.到手当前选定记录某字段的值
sValue=Table.Rows[gridView1.FocusedRowHandle][FieldName].ToString();

3.数量只读
gridView1.OptionsBehavior.Editable=false;

4.不显示MasterDetailView
gridView1.OptionsDetail.EnableMasterViewMode=false;

5.校订最上边的GroupPanel内容
gridView1.GroupPanelText="柳生飘絮";

6.装置数据源:
gridControl1.DataSource = dt;
绑定每一列的FiledName--属性
对于Oracle数据库,全部的在设计器里写的次第中的字段名必需大写,不然可能绑定不上字段,sqlserver没有这一个节制.

7.读写拷贝权限设置
只读不可拷贝:
ColumnViewOptionsBehavior.Editable = False

只读可拷贝:
ColumnViewOptionsBehavior.Editable = True
OptionsColumn.AllowEdit = True
OptionsColumn.ReadOnly = True

可编辑:
ColumnViewOptionsBehavior.Editable = True
OptionsColumn.AllowEdit = True
OptionsColumn.ReadOnly = False

8.模板列的设置:
到Columns中,在她的性子中找到ColumnEdit.
以LookUpEdit为例:
第黄金时代从Designer左边菜单In-Place Editor Repository中加多LookUpEdit.取名称为Re1.然后.在她的Columns属性中增加3列.Caption逐项为:编号,姓名,性别.FieldName依次为:FID,FNAME,FSEX.然后将Re1的NullText设置成空.
  AutoSearchColumnIndex属性设置为2.ImmediatePopup属性设置为True.
  SearchMode设置为OnlyInPopup.
  然后将那几个模板列附加到我们地点提到的列1(约等于将列1的ColumnEdit属性设成Re1)
  最后我们还要在代码里面给Re1绑定数据源和出示项.
Re1.DataSource = DALUse.Query("select fid,fname,fsex from dual").Tables[0];
Re1.DisplayMember = "FSEX";
Re1.ValueMember = "FNAME";

9.设某一列文字和标题局中显得
gridView1.Columns[0].AppearanceHeader.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;
gridView1.Columns[0].AppearanceCell.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;

10.去掉某一列上面包车型大巴自动筛选作用(Filter)
gridView1.Columns[0].OptionsFilter.AllowAutoFilter = false;
gridView1.Columns[0].OptionsFilter.AllowFilter = false;
gridView1.Columns[0].OptionsFilter.ImmediateUpdateAutoFilter = false;

11.装置冻结列(左冻结)
gridView1.Columns[0].Fixed= DevExpress.XtraGrid.Columns.FixedStyle.Left;

12.拿到单元格数据(0行0列)
string ss=gridView1.GetRowCellDisplayText(0, gridView1.Columns[0]);
string ss = gridView1.GetRowCellValue(0, gridView1.Columns[0]);

13.安装单元格数据(将0行0列的单元格赋值123)
gridView1.SetRowCellValue(0, gridView1.Columns[0], "123");

13.手动加多dev的列
67677新澳门手机版 ,DevExpress.XtraGrid.Columns.GridColumn Col1=new DevExpress.XtraGrid.Columns.GridColumn ();
Col1.FieldName="FID";
Col1.Visible=true;
Col1.VisibleIndex=gridView1.Columns.Count;
gridView1.Columns.Add(Col1);

14.设置自动扩大的行号,须求先加多给gridview增添事件CustomDrawRowIndicator

private void gridview_CustomDrawRowIndicator(object sender, DevExpress.XtraGrid.Views.Grid.RowIndicatorCustomDrawEventArgs e)
{
if (e.Info.IsRowIndicator && e.RowHandle >= 0)
e.Info.DisplayText = (e.RowHandle 1).ToString();
}

15.删除: (修改了dgvdel里的datagridviewdel方法)
public static void datagridviewdel_Dev(DevExpress.XtraGrid.Views.Grid.GridView Mydgv)
{
if (Message博克斯.Show("你规定要刨除选中的笔录吗?", "删除提醒", MessageBoxButtons.YesNo, MessageBoxIcon.Warning, MessageBoxDefaultButton.Button2, 0, false) == DialogResult.Yes)
{
int iSelectRowCount = Mydgv.SelectedRowsCount;
if (iSelectRowCount > 0)
{
Mydgv.DeleteSelectedRows();
}
}
}

  1. 新增加: (对于新扩大,其自己的AddNewRow方法就能够产生)
    private void btn_add_Click(object sender, EventArgs e)
    {
    gridView1.AddNewRow();
    }
    切切实实借使对于新加行还应该有啥极其的设置,能够在它gridView1_InitNewRow事件中填入:
    private void gridView1_InitNewRow(object sender, DevExpress.XtraGrid.Views.Grid.InitNewRowEventArgs e)
    {
    ColumnView View = sender as ColumnView;
    View.SetRowCellValue(e.RowHandle, View.Columns[0], gridView1.GetRowCellValue(gridView1.GetRowHandle(gridView1.RowCount - 2), gridView1.Columns[0])); //复制最终意气风发行的数据到新行

View.SetRowCellValue(e.RowHandle, View.Columns[1], gridView1.GetRowCellValue(gridView1.GetRowHandle(gridView1.RowCount - 2), gridView1.Columns[1])); //复制最后大器晚成行的多少到新行

}

  1. 保存 (第三方控件提供的RefreshData和RefreshDataSource方法对于保留数据都不好使,最后依然接收了Dgvsave的datagridviewsave方法,用这些点子就足以)

18.特效:gridcontrol中有5种view 型式,普通的是gridview,然后分别为cardview、BandedView、Advanced BandedView、LayoutView;共5种。
1卡塔尔国、view组中把OptionView下的viewmode 设置成“Carousel”就到达这种“旋转木马”式的gridcontrol view 特效了
2卡塔 尔(阿拉伯语:قطر‎、layoutView1.OptionsCarouselMode.PitchAngle 那个性格决定“旋转木马”的pitch angle 螺距角; 螺旋角; 螺旋升角; 俯仰角; 倾角; 节锥半角
3卡塔尔国、Roll Angle 属性决定着倾侧角度
4卡塔 尔(英语:State of Qatar)、钦命数据源,突显数据:
//展现数据
private void showData(List<Employee > list)
{
DataTable dt = new DataTable("OneEmployee");
dt.Columns.Add("Caption", System.Type.GetType("System.String"));
dt.Columns.Add("Department", System.Type.GetType("System.String"));
dt.Columns.Add("PhotoName", System.Type.GetType("System.Byte[]"));

for (int i = 0; i < list.Count; i )
{
DataRow dr = dt.NewRow();
dr["Caption"] = list[i].Name;
dr["Department"] = list[i].Department;
string imagePath = @"D:C#photos" list[i].PhotoPath;
dr["PhotoName"] = getImageByte(imagePath);
dt.Rows.Add(dr);
}
gridControl1.DataSource = dt;
}

//重临图片的字节流byte[]
private byte[] getImageByte(string imagePath)
{
FileStream files = new FileStream(imagePath, FileMode.Open);
byte[] imgByte = new byte [files.Length ];
files.Read(imgByte, 0, imgByte.Length);
files.Close();
return imgByte;
}

19.检查数据的有效
在gridview的ValidateRow事件中参预检查代码:
#region 检查数据
private void gridView1_ValidateRow(object sender, ValidateRowEventArgs e)
{
GridView view = sender as GridView;
view.ClearColumnErrors();

if (view.GetRowCellValue(e.RowHandle, "ReceiveDate") == DBNull.Value)
{
e.Valid = false;
view.SetColumnError(view.Columns["ReceiveDate"], "必得钦命日期");
}

}
#endregion
调用gridview.UpdateCurrentRow()方法推行检查

最常用的DevExpress Winform 4个代码片段:

意气风发 、GridControl的去除操作

private void rILinkEditInfoDel_Click(object sender, EventArgs e)
{
if (XtraMessageBox.Show("请鲜明是否删除当前记录?", "警示", MessageBoxButtons.YesNo, MessageBoxIcon.Warning) == DialogResult.Yes)
{
DataRow row = gvInfos.GetDataRow(gvInfos.FocusedRowHandle);
delByCode(row["Code"].ToString());
XtraMessageBox.Show("操作成功!");
}
}

二、绑定非数据表中列

Hashtable ht = new Hashtable();

private void gridView6_CustomUnboundColumnData(object sender, DevExpress.XtraGrid.Views.Base.CustomColumnDataEventArgs e)
{
GridView View = sender as GridView;
if (e.RowHandle >= 0)
{
object needAlert = View.GetRowCellValue(e.RowHandle, View.Columns["needAlert"]);
if (needAlert != null & needAlert != DBNull.Value && needAlert.ToString().Trim() != "0" & View.GetRowCellValue(e.RowHandle, View.Columns["Value"]) != DBNull.Value)
{
decimal AverValue = Convert.ToDecimal(View.GetRowCellValue(e.RowHandle, View.Columns["Value"]));
object MinValue = View.GetRowCellValue(e.RowHandle, View.Columns["MinValue"]);
object MaxVlaue = View.GetRowCellValue(e.RowHandle, View.Columns["MaxValue"]);
if (MinValue != DBNull.Value & MinValue != null & MaxVlaue.ToString() != "" & MaxVlaue != DBNull.Value && MaxVlaue != null & MaxVlaue.ToString() != "")
{
decimal gridColumn2 = Convert.ToDecimal(View.GetRowCellValue(e.RowHandle, View.Columns["MinValue"]));
decimal gridColumn1 = Convert.ToDecimal(View.GetRowCellValue(e.RowHandle, View.Columns["MaxValue"]));
if (gridColumn2 > AverValue || AverValue > gridColumn1)
{
if (!ht.ContainsKey("pic"))
ht.Add("pic", GetImage(1));
e.Value = ht["pic"];
}
}
}
}
}

/// <summary>
/// 由财富文件获取图片
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
byte[] GetImage(int key)
{
Image img = DevExpress.Utils.Controls.ImageHelper.CreateImageFromResources(string.Format("RiverSys.Resources.{0}.gif", key.ToString()), typeof(RiverInfos).Assembly);
return DevExpress.XtraEditors.Controls.ByteImageConverter.ToByteArray(img, ImageFormat.Gif);
}

/// <summary>
/// 动态依据规范设置行样式
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void gridView6_RowStyle(object sender, DevExpress.XtraGrid.Views.Grid.RowStyleEventArgs e)
{
GridView View = sender as GridView;
if (e.RowHandle >= 0)
{
object needAlert = View.GetRowCellValue(e.RowHandle, View.Columns["needAlert"]);
if (needAlert != null & needAlert != DBNull.Value && needAlert.ToString().Trim() != "0" & View.GetRowCellValue(e.RowHandle, View.Columns["Value"]) != DBNull.Value)
{
decimal AverValue = Convert.ToDecimal(View.GetRowCellValue(e.RowHandle, View.Columns["Value"]));
object MinValue = View.GetRowCellValue(e.RowHandle, View.Columns["MinValue"]);
object MaxVlaue = View.GetRowCellValue(e.RowHandle, View.Columns["MaxValue"]);
if (MinValue != DBNull.Value & MinValue != null & MaxVlaue.ToString() != "" & MaxVlaue != DBNull.Value && MaxVlaue != null & MaxVlaue.ToString() != "")
{
decimal gridColumn2 = Convert.ToDecimal(MinValue);
decimal gridColumn1 = Convert.ToDecimal(MaxVlaue);
if (gridColumn2 > AverValue || AverValue > gridColumn1)
{
e.Appearance.ForeColor = Color.Red;
e.Appearance.BackColor = Color.LightGray;
}
}
}
}
}

三、GridControl 中颜色挑选控件

private void gvMapColor_CustomUnboundColumnData(object sender, DevExpress.XtraGrid.Views.Base.CustomColumnDataEventArgs e)
{
GridView view = sender as GridView;
DataView dv = view.DataSource as DataView;
if (e.IsGetData)
{
string strVal = dv[e.ListSourceRowIndex]["Color"].ToString();
if (strVal != "")
{
//e.Value = DevExpress.Utils.StyleLayout.ColorFromString(strVal);
e.Value = Common.HexToColor(strVal);
}
}
else
{
//Color colorVal = DevExpress.Utils.StyleLayout.ColorFromString(e.Value.ToString());
Color colorVal = (Color)e.Value;
dv[e.ListSourceRowIndex]["Color"] = Common.RGB_HEX(colorVal.ToArgb());
}
}

四、关于 GridControl 验证示例

/// <summary>
/// 初始化GridView,绑定数据
/// </summary>
/// <param name="parentId"></param>
private void GridViewBindData(string parentId)
{
this.gridView1.Columns.Clear();
this.FDs= areaSetupActionHelper.getDsRegionByParentId(parentId);
this.gridCArea.DataSource =this.FDs.Tables[0].DefaultView;

this.gridView1.Columns["id"].VisibleIndex = -1;
this.gridView1.Columns["childCounts"].VisibleIndex = -1;

this.gridView1.Columns["reg_id"].Caption = "区划编号";
this.gridView1.Columns["reg_name"].Caption = "区划名称";
this.gridView1.Columns["parent_id"].Caption = "父区划编号";
this.gridView1.Columns["reg_desc"].Caption = "区划描述";
this.gridView1.Columns["parent_id"].ImageIndex =1;
this.gridView1.Columns["reg_desc"].ImageIndex = 0;

RepositoryItemTextEdit textEditReg_Id = new RepositoryItemTextEdit();
textEditReg_Id.Mask.EditMask =parentId "file://d{2,3/}";
textEditReg_Id.Mask.MaskType = DevExpress.XtraEditors.Mask.MaskType.Regular;

this.gridView1.Columns["reg_id"].ColumnEdit = textEditReg_Id;

this.gridView1.Columns["reg_desc"].ColumnEdit = new RepositoryItemMemoExEdit();

TreeListNode node = this.treelArea.FocusedNode.ParentNode;
string fid = node==null?"0":node.GetValue("RegID").ToString().Trim();
DataSet ds = areaSetupActionHelper.getDsRegionByParentId(fid);
RepositoryItemLookUpEdit lookUEParent_Id = new RepositoryItemLookUpEdit();
lookUEParent_Id.Columns.Add(new LookUpColumnInfo("reg_id", 40, "区划编号"));
lookUEParent_Id.Columns.Add(new LookUpColumnInfo("reg_name", 40, "区划名称"));
lookUEParent_Id.DataSource = ds.Tables[0].DefaultView;
lookUEParent_Id.ValueMember = "reg_id";
lookUEParent_Id.DisplayMember = "reg_id";
this.gridView1.Columns["parent_id"].ColumnEdit = lookUEParent_Id;
}
/// <summary>
/// gridView单元格验证的连枪乌贼理程序
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void gridView1_ValidatingEditor(object sender, DevExpress.XtraEditors.Controls.BaseContainerValidateEditorEventArgs e)
{
if (e.Valid == false&this.gridView1.FocusedColumn.FieldName == "reg_id")
{
e.ErrorText = "区划编号不合规!n应为父区划编号加2~3位数据整合!";
}
if (this.gridView1.FocusedColumn.FieldName == "reg_name")
{
Regex reg=new Regex(@"[u4e00-u9fa5]{1,20}");
Match m=reg.Match(e.Value.ToString().Trim());
if (m.Length != e.Value.ToString().Trim().Length)
{
e.Valid = false;
e.ErrorText = "区划名称应该为汉字n长度为1至20";
}
}
}

private void gridView1_InvalidValueException(object sender, InvalidValueExceptionEventArgs e)
{
if (MyDialog.Alert(" 您所填写的源委不相符法则n 要扬弃您刚刚对此项所做的改观吗?", "您所编写的原委不符合法则", MessageBoxButtons.YesNo, MessageBoxIcon.Warning) == DialogResult.Yes)
{
e.ExceptionMode = ExceptionMode.Ignore;
}
}

/// <summary>
/// gridView行验证的相关管理程序
/// </summary>
private void gridView1_ValidateRow(object sender, DevExpress.XtraGrid.Views.Base.ValidateRowEventArgs e)
{
string regid = this.gridView1.GetRowCellValue(e.RowHandle, "reg_id").ToString().Trim();
string regName = this.gridView1.GetRowCellValue(e.RowHandle, "reg_name").ToString().Trim();
if ( regid.Length < 1)
{
e.Valid = false;
this.gridView1.SetColumnError(this.gridView1.Columns["reg_id"], "请填入区划编号!", DevExpress.XtraEditors.DXErrorProvider.ErrorType.Default);
// e.ErrorText = "区划名称不能够为空!";
}
if (regName.Length < 1)
{
e.Valid = false;
this.gridView1.SetColumnError(this.gridView1.Columns["reg_name"], "区划名称不能够为空!", DevExpress.XtraEditors.DXErrorProvider.ErrorType.Default);
}
}

private void gridView1_InvalidRowException(object sender, DevExpress.XtraGrid.Views.Base.InvalidRowExceptionEventArgs e)
{

if (e.RowHandle >= 0)
{
if (this.gridView1.GetRowCellValue(e.RowHandle, this.gridView1.Columns["reg_id"]).ToString().Trim() == "" || this.gridView1.GetRowCellValue(e.RowHandle, this.gridView1.Columns["reg_name"]).ToString().Trim() == "")
{
if (MyDialog.Alert("  您所填写的内容不切合法则n 要放任您刚才对此项所做的转移吗?", "您所编纂的开始和结果不契合准绳", MessageBoxButtons.YesNo, MessageBoxIcon.Warning) == DialogResult.Yes)
{
e.ExceptionMode = ExceptionMode.Ignore;
}
else
{
e.ExceptionMode = ExceptionMode.NoAction;
}
}
}
else
{
e.ExceptionMode = ExceptionMode.Ignore;
}
}

关于XtraGrid的行使(GridControl小结卡塔 尔(阿拉伯语:قطر‎来源:51编制程序网颁布时间:二〇〇八-04-19Hits:146
DevExpress XtraGrid的使用(AspxGridControl小结)收藏

自定义宗旨行的办法: gridView_bcode.FocusedRowHandle = focuseRowInt; //通过设置GridView 的FocusedRowHandle属性

view plaincopy to clipboardprint?
//获取关节行自便单元格的数量
ColumnView cv = (ColumnView)gridControl_Gongzi.FocusedView;//重新获取此ID 不然不能够从表头连删获取不到id
int focusedhandle = cv.FocusedRowHandle;
object rowIdObj = gridView1.GetRowCellValue(focusedhandle, "id");
if (DBNull.Value != rowIdObj)
{
FocusedRow_id = Convert.ToInt32(rowIdObj);
}
//获取关节行大肆单元格的数额
ColumnView cv = (ColumnView)gridControl_Gongzi.FocusedView;//重新获取此ID 不然不能够从表头连删获取不到id
int focusedhandle = cv.FocusedRowHandle;
object rowIdObj = gridView1.GetRowCellValue(focusedhandle, "id");
if (DBNull.Value != rowIdObj)
{
FocusedRow_id = Convert.ToInt32(rowIdObj);
}
view plaincopy to clipboardprint?
//当数码产生变化时进行
private void gridView1_CellValueChanged(object sender, CellValueChangedEventArgs e)
{
int intRowHandle = e.RowHandle;
FocusedRow_bumen = Convert.ToString(gridView1.GetRowCellValue(intRowHandle, "bumen"));
FocusedRow_xingming = Convert.ToString(gridView1.GetRowCellValue(intRowHandle, "xingming"));
//FocusedRow_jibengongzi = Convert.ToDecimal(gridView1.GetRowCellValue(intRowHandle, "jibengongzi"));
object rowJibengongziObj = gridView1.GetRowCellValue(intRowHandle, "jibengongzi");
if (DBNull.Value != rowJibengongziObj)
{
FocusedRow_jibengongzi = Convert.ToDecimal(rowJibengongziObj);
}
}
//当数码发生变化时进行
private void gridView1_CellValueChanged(object sender, CellValueChangedEventArgs e)
{
int intRowHandle = e.RowHandle;
FocusedRow_bumen = Convert.ToString(gridView1.GetRowCellValue(intRowHandle, "bumen"));
FocusedRow_xingming = Convert.ToString(gridView1.GetRowCellValue(intRowHandle, "xingming"));
//FocusedRow_jibengongzi = Convert.ToDecimal(gridView1.GetRowCellValue(intRowHandle, "jibengongzi"));
object rowJibengongziObj = gridView1.GetRowCellValue(intRowHandle, "jibengongzi");
if (DBNull.Value != rowJibengongziObj)
{
FocusedRow_jibengongzi = Convert.ToDecimal(rowJibengongziObj);
}
} view plaincopy to clipboardprint?
//设置宗旨行的紧俏单元格的岗位
ColumnView view = (ColumnView)gridControl_Gongzi.FocusedView;
view.FocusedColumn = view.Columns["bumen"];
//设置大旨行的转折点单元格的岗位
ColumnView view = (ColumnView)gridControl_Gongzi.FocusedView;
view.FocusedColumn = view.Columns["bumen"]; view plaincopy to clipboardprint?
//当难题行发生变动时进行获取选中宗旨行id
private void gridView1_FocusedRowChanged(object sender, DevExpress.XtraGrid.Views.Base.FocusedRowChangedEventArgs e)
{
int intRowHandle = e.FocusedRowHandle;

object rowIdObj = gridView1.GetRowCellValue(intRowHandle, "id");

if (DBNull.Value != rowIdObj)//做个判定不然获取不到id后报错
{
FocusedRow_id = Convert.ToInt32(rowIdObj);
}
}
//当难点行发生更动时进行 获取选中症结行id
private void gridView1_FocusedRowChanged(object sender, DevExpress.XtraGrid.Views.Base.FocusedRowChangedEventArgs e)
{
int intRowHandle = e.FocusedRowHandle;

object rowIdObj = gridView1.GetRowCellValue(intRowHandle, "id");

if (DBNull.Value != rowIdObj)//做个推断否则获取不到id后报错
{
FocusedRow_id = Convert.ToInt32(rowIdObj);
}
}

view plaincopy to clipboardprint?
//大旨行的FocusedHandle为:
FocuseRow_Handle = -999998;
//获取主题行的handle
ColumnView newview = (ColumnView)gridControl_Gongzi.FocusedView;

FocuseRow_Handle = newview.FocusedRowHandle;
//回车增多新行
private void gridView1_KeyPress(object sender, KeyPressEventArgs e)

{
if (e.KeyChar == 13)
{
ColumnView view = (ColumnView)gridControl_Gongzi.FocusedView;
if(view.IsLastRow)
{
if (FocuseRow_Handle == 0)
{
gridView1.AddNewRow();

ColumnView newview = (ColumnView)gridControl_Gongzi.FocusedView;

newview.FocusedColumn = newview.Columns["bumen"];//定位难点网格的职务

FocuseRow_Handle = newview.FocusedRowHandle;//获取新主题行的FocuseRowHandle 并初阶化全局变量FocuseRow_Handle供保存操作时判别是update依然insert

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