public int RowHandle { get; }

Public ReadOnly Property RowHandle As Integer

sourceGridCell = new GridCell(gridHI.RowHandle, gridHI.Column);
    lastMouseDownMoveCell = new GridCell(sourceGridCell.RowHandle, sourceGridCell.Column);
}

{
    object value = View.GetRowCellValue(SourceGridCell.RowHandle, SourceGridCell.Column);
    GridCell[] selectedCells = View.GetSelectedCells();

colors[cell] = value;
    _View.RefreshRowCell(cell.RowHandle, cell.Column);
}

foreach(GridCell cell in cells) {
    int rowHandle = cell.RowHandle;
    GridColumn column = cell.Column;

GridViewInfo info = _View.GetViewInfo() as GridViewInfo;
GridCellInfo cellInfo = info.GetGridCellInfo(cell.RowHandle, cell.Column);
return cellInfo.Bounds;

sourceGridCell = New GridCell(gridHI.RowHandle, gridHI.Column)
    lastMouseDownMoveCell = New GridCell(sourceGridCell.RowHandle, sourceGridCell.Column)
End If

Private Sub CopyCellsValues()
    Dim value As Object = View.GetRowCellValue(SourceGridCell.RowHandle, SourceGridCell.Column)
    Dim selectedCells() As GridCell = View.GetSelectedCells()

colors(cell) = value
    _View.RefreshRowCell(cell.RowHandle, cell.Column)
End Sub

For Each cell As GridCell In cells
    Dim rowHandle As Integer = cell.RowHandle
    Dim column As GridColumn = cell.Column

Dim info As GridViewInfo = TryCast(_View.GetViewInfo(), GridViewInfo)
Dim cellInfo As GridCellInfo = info.GetGridCellInfo(cell.RowHandle, cell.Column)
Return cellInfo.Bounds