protected void OnDragOver(object sender, DragEventArgs e)
{
if (!_textArea.Focused)
{
_textArea.Focus();
}
Point p = _textArea.PointToClient(new Point(e.X, e.Y));
if (_textArea.TextView.DrawingPosition.Contains(p.X, p.Y))
{
TextLocation realmousepos = _textArea.TextView.GetLogicalPosition(p.X - _textArea.TextView.DrawingPosition.X, p.Y - _textArea.TextView.DrawingPosition.Y);
int lineNr = Math.Min(_textArea.Document.TotalNumberOfLines - 1, Math.Max(0, realmousepos.Y));
_textArea.Caret.Position = new TextLocation(realmousepos.X, lineNr);
_textArea.SetDesiredColumn();
if (e.Data.GetDataPresent(typeof(string)) && !_textArea.IsReadOnly(_textArea.Caret.Offset))
{
e.Effect = GetDragDropEffect(e);
}
else
{
e.Effect = DragDropEffects.None;
}
}
else
{
e.Effect = DragDropEffects.None;
}
}
void ShowHiddenCursorIfMovedOrLeft()
{
_textArea.ShowHiddenCursor(!_textArea.Focused || !_textArea.ClientRectangle.Contains(_textArea.PointToClient(Cursor.Position)));
}
