void FileStatusListView_MouseDown(object sender, MouseEventArgs e)
{
//SELECT
if (e.Button == MouseButtons.Right)
{
var hover = FileStatusListView.HitTest(e.Location);
if (hover.Item != null && !hover.Item.Selected)
{
ClearSelected();
hover.Item.Selected = true;
}
}
//DRAG
if (e.Button == MouseButtons.Left)
{
if (SelectedItems.Any())
{
// 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 / 2),
e.Y - (dragSize.Height / 2)),
dragSize);
}
else
{
// Reset the rectangle if the mouse is not over an item in the ListView.
dragBoxFromMouseDown = Rectangle.Empty;
}
}
}
