/// <summary>
/// Called at end of drag feedback process.
/// </summary>
public override void Quit()
{
// Cleanup the no longer required feedback window
if (_solid != null)
{
_solid.Dispose();
_solid = null;
}
}
/// <summary>
/// Called at start of drag feedback process.
/// </summary>
public override void Start()
{
// Create a window for showing drop area semi-transparent
_solid = new DropSolid();
// Show the window sized as 1 pixel to get it drawing
_solid.SetBounds(0, 0, 1, 1, BoundsSpecified.All);
// Place window on the screen
_solid.ShowWithoutActivate();
// Force window to be painted
_solid.Refresh();
}