DataGridView.HitTestInfo.ColumnIndex Property       
Definition
Important
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Gets the index of the column that contains the coordinates described by the current DataGridView.HitTestInfo.
public:
 property int ColumnIndex { int get(); };public int ColumnIndex { get; }member this.ColumnIndex : intPublic ReadOnly Property ColumnIndex As IntegerProperty Value
The index of the column in the DataGridView that contains the coordinates described by the current DataGridView.HitTestInfo.
Examples
The following code example illustrates the use of this property. This example is part of a larger example available in the DataGridView.Columns property reference topic.
private DataGridViewCell clickedCell;
private void dataGridView1_MouseDown(object sender, MouseEventArgs e)
{
// If the user right-clicks a cell, store it for use by the shortcut menu.
    if (e.Button == MouseButtons.Right)
    {
        DataGridView.HitTestInfo hit = dataGridView1.HitTest(e.X, e.Y);
        if (hit.Type == DataGridViewHitTestType.Cell)
        {
            clickedCell =
                dataGridView1.Rows[hit.RowIndex].Cells[hit.ColumnIndex];
        }
    }
}
Private clickedCell As DataGridViewCell
Private Sub dataGridView1_MouseDown(ByVal sender As Object, _
    ByVal e As MouseEventArgs) Handles dataGridView1.MouseDown
    ' If the user right-clicks a cell, store it for use by the 
    ' shortcut menu.
    If e.Button = MouseButtons.Right Then
        Dim hit As DataGridView.HitTestInfo = _
            dataGridView1.HitTest(e.X, e.Y)
        If hit.Type = DataGridViewHitTestType.Cell Then
            clickedCell = _
                dataGridView1.Rows(hit.RowIndex).Cells(hit.ColumnIndex)
        End If
    End If
End Sub