/// <summary>
/// GridView数据项拖动管理
/// </summary>
/// <param name="gvSource">拖动的源GridView</param>
/// <param name="gvTarget">拖动的目标GridView</param>
/// <param name="callBack">当拖放完成后的回调函数，第一个参数是拖动的源数据RowIndex，第二个参数是目标RowIndex</param>
public GridViewMutilRowDragHelper(GridView gvSource, GridView gvTarget, Action <int, int, int> callBack)
{
var fieldName = "dragColumnField";
if (!gvSource.Columns.Select(x => x.FieldName).Contains(fieldName))
{
if (gvSource is BandedGridView bgv)
{
DragColumn = new BandedGridColumn();
var band = new GridBand();
band.OptionsBand.AllowMove = false;
band.OptionsBand.AllowSize = false;
band.OptionsBand.FixedWidth = true;
band.Visible = true;
band.Width = 20;
band.Fixed = FixedStyle.Left;
bgv.Bands.Insert(0, band);
band.Columns.Add(DragColumn as BandedGridColumn);
gvSource.Columns.Add(DragColumn);
}
else
{
DragColumn = new GridColumn();
DragColumn.Fixed = FixedStyle.Left;
gvSource.Columns.Insert(0, DragColumn);
}
DragColumn.Width = 20;
DragColumn.FieldName = fieldName;
DragColumn.Visible = true;
DragColumn.VisibleIndex = 0;
DragColumn.OptionsColumn.AllowSize = false;
DragColumn.OptionsColumn.AllowEdit = false;
DragColumn.OptionsColumn.ShowCaption = false;
DragColumn.OptionsColumn.FixedWidth = true;
DragColumn.OptionsColumn.AllowMove = false;
}
else
{
DragColumn = gvSource.Columns.FirstOrDefault(x => x.FieldName == fieldName);
}
this._gcSource = gvSource.GridControl;
this._gvSource = gvSource;
this._gvTarget = gvTarget;
this._gcTarget = gvTarget.GridControl;
this._callBack = callBack;
this._gvSource.SelectionChanged += GvSrc_SelectionChanged;
this._imgHelper = new DragImageHelper(gvSource);
this._timer = new Timer();
_timer.Interval = 200;
_timer.Enabled = true;
_timer.Tick += _timer_Tick;
AllowDrop = true;
AllowAutoScroll = true;
}
/// <summary>
/// GridView数据项拖动管理
/// </summary>
/// <param name="gvSource">拖动的源GridView</param>
/// <param name="gvTarget">拖动的目标GridView</param>
/// <param name="callBack">当拖放完成后的回调函数，第一个参数是拖动的源数据RowIndex，第二个参数是目标RowIndex</param>
public GridViewDragDropHelper(GridView gvSource, GridView gvTarget, Action <int, int> callBack)
{
this._gcSource = gvSource.GridControl;
this._gvSource = gvSource;
this._gvTarget = gvTarget;
this._gcTarget = gvTarget.GridControl;
this._callBack = callBack;
this._imgHelper = new DragImageHelper(gvSource);
this._timer = new Timer();
_timer.Interval = 200;
_timer.Enabled = true;
_timer.Tick += _timer_Tick;
AllowDrop = true;
}
