Visual Basic

Try
            If e.KeyCode = Keys.C Then
                'copy key c is pressed
                Dim counter As Integer = 0
                Dim selectedItemsArrayList As New ArrayList
                For Each r As DataStructure.ItemsRow In MainForm.Data.Items
                    If dg.IsSelected(counter) Then
                        selectedItemsArrayList.Add(counter)
                    End If
                    counter += 1
                Next
                Dim format As DataFormats.Format = DataFormats.GetFormat(Me.ToString)
                Dim data As IDataObject = New DataObject
                Dim row As DataRow
                If selectedItemsArrayList.Count > 0 Then
                    'if count is greater than 0, there are some rows selected
                    For Each i As Integer In selectedItemsArrayList
                        'for each row that is selected to be added
                        'add to clipboard
                        selectedDataGridRow = selectedItemsArrayList(i)
                        row = MainForm.Data.Items(selectedItemsArrayList(i))
                        data.SetData(format.Name, False, row.ItemArray)
                        Clipboard.SetDataObject(data, False)
                    Next
                End If
            End If
            If e.KeyCode = Keys.V Then
                'paste key is pressed
                Dim row As Object()
                Dim ClipData As IDataObject = Clipboard.GetDataObject
                Dim format As String = Me.ToString
                If ClipData.GetDataPresent(format) Then
                    row = CType(ClipData.GetData(format), Object())
                    'add row to datagrid
                    MainForm.Data.Items.Rows.Add(row)
                End If
            End If
        Catch ex As Exception
            MessageBox.Show(ex.ToString)
        End Try