Place a cursor (for editing) in datagridview cell text using a right click - vb.net

Question

Im trying to piece together vb.net code that will allow the user to right click in a datagridview and then place a cursor (or is it a caret?) into the text of the cell.
I can already get the row and cell using
Dim hti As DataGridView.HitTestInfo = sender.HitTest(e.X, e.Y)
and isolate the right click on a mouse down
If e.Button = Windows.Forms.MouseButtons.Right Then
I also have the position where the user right clicked using
Dim pt As Point = Me.PointToClient(Control.MousePosition)
what seams to elude me is how to put it all together to place the cursor where the user right clicked.
What I don't want is to place a cursor into a cell just anywhere, I need to place a cursor into the cells text (if any is there) where the user right clicked in the cell.
The point of the code will be to allow the user to place some text into the cell at the clicked position based on a selection from a right click menu. Appreciate any helpful suggestions.
Kind regards
Michael

Answer 1

Something like this possibly... should work reasonably well.
In your DataGridView CellMouseDown event handler:
If e.Button = MouseButtons.Right Then
'Get coordinates within cell
_point = New Point(e.X, e.Y)
'we are going to handle setting the edit state of the cell
_handleEdit = True
'Set current cell to the one we right clicked in (this will trigger the CellEnter event)
dataGridView1.CurrentCell = dataGridView1(e.ColumnIndex, e.RowIndex)
End If
In your DataGridView CellEnter event handler:
If _handleEdit Then
'enter edit state
dataGridView1.BeginEdit(False)
'set the seletionstart property based on position
CType(dataGridView1.EditingControl, TextBox).SelectionStart = CType(dataGridView1.EditingControl, TextBox).GetCharIndexFromPosition(_point)
'Done handling the edit state
_handleEdit = False
End If