class dgvPersonal :
UserControl
{
private Rectangle
dragBoxFromMouseDown;
private int
rowIndexFromMouseDown;
private int
rowIndexOfItemUnderMouseToDrop;
private void
datagridview1_DragDrop(object
sender, System.Windows.Forms.DragEventArgs
e)
{
// The mouse locations are relative to the screen, so they must be
// converted to client coordinates.
Point clientPoint =
DataGridView1.PointToClient(new
Point(e.X,
e.Y));
// Get the row index of the item the mouse is below.
rowIndexOfItemUnderMouseToDrop =
DataGridView1.HitTest(clientPoint.X,
clientPoint.Y).RowIndex;
if (rowIndexOfItemUnderMouseToDrop == -1)
return;
if (e.Effect ==
DragDropEffects.Move)
{
DataGridViewRow
rowToMove;
rowToMove = e.Data.GetData(typeof(DataGridViewRow))
as DataGridViewRow;
DataGridView1.Rows.RemoveAt(rowIndexFromMouseDown);
DataGridView1.Rows.Insert(rowIndexOfItemUnderMouseToDrop,
rowToMove);
}
}
private void
datagridview1_DragOver(object
sender, System.Windows.Forms.DragEventArgs
e)
{
e.Effect =
DragDropEffects.Move;
}
private void
datagridview1_MouseMove(object
sender, System.Windows.Forms.MouseEventArgs
e)
{
if (e.Button ==
Windows.Forms.MouseButtons.Left)
{
if (rowIndexFromMouseDown == -1)
return;
try
{
// If the mouse moves outside the rectangle, start the drag.
if (dragBoxFromMouseDown !=
Rectangle.Empty && !dragBoxFromMouseDown.Contains(e.X,
e.Y))
// Proceed with the drag and drop, passing in the list item.
DragDropEffects
dropEffect = sender.DoDragDrop(DataGridView1.Rows(rowIndexFromMouseDown),
DragDropEffects.Move);
}
catch (Exception
ex)
{
ex.Data.Clear();
}
}
}
private void
datagridview1_MouseDown(object
sender, System.Windows.Forms.MouseEventArgs
e)
{
// Get the index of the item the mouse is below.
rowIndexFromMouseDown =
sender.HitTest(e.X,
e.Y).RowIndex;
if (rowIndexFromMouseDown == -1)
return;
if (rowIndexFromMouseDown != -1)
{
// Remember the point where the mouse down occurred.
// The DragSize indicates the size that the mouse can move
// before a drag event should be started.
Size dragSize =
SystemInformation.DragSize;
// Create a rectangle using the DragSize, with the mouse position being
// at the center of the rectangle.
dragBoxFromMouseDown =
new Rectangle(new
Point(e.X - (dragSize.Width / (double)2),
e.Y - (dragSize.Height / (double)2)),
dragSize);
}
else
// Reset the rectangle if the mouse is not over an item in the ListBox.
dragBoxFromMouseDown =
Rectangle.Empty;
}
}
perdona por el codigo en c# pero ya es hora de mejorar tus habilidades de programación y usar un lenguaje tipado :D :D ;)
