private void MouseHook_MouseMove(object sender, MouseEventArgs e)
{
if (mouseLeftDown && !OwnApplicationActive())
{
// Of course we have to be visible!
if (Visible)
{
// Don't get the form on top until we're close to it
if (Math.Sqrt(Math.Pow(Location.X + Size.Width / 2 - Cursor.Position.X, 2)
+ Math.Pow(Location.Y + Size.Height / 2 - Cursor.Position.Y, 2)) <= 48)
{
TopMost = true;
}
else
{
TopMost = false;
}
}
// Autohide stuff
if (Taskbar.GetTaskbarState() == Taskbar.TaskbarState.AutoHide)
{
bool mouseInTaskbar = MouseInTaskbar();
if (mouseDownAndWasInTaskbar != mouseInTaskbar)
{
mouseDownAndWasInTaskbar = mouseInTaskbar;
ShowDrop();
}
}
}
else
{
mouseDownAndWasInTaskbar = false;
}
}
/// <summary>
/// Determines whether the specified System.Drawing.Rectangle is contained within the Windows 7 notification area fly-out.
/// Note that this function will return false if the fly-out is closed, or if run on older versions of Windows.
/// </summary>
/// <param name="point">System.Drawing.Rectangle to test.</param>
/// <returns>True if the notify icon is in the fly-out, false if not.</returns>
public static bool IsRectangleInFlyOut(Rectangle rectangle)
{
if (!SysInfo.IsWindows7OrLater)
{
return(false);
}
Rectangle taskbarRect = Taskbar.GetTaskbarRectangle();
// Don't use Rectangle.IntersectsWith since we want to check if it's ENTIRELY inside
return(rectangle.Left > taskbarRect.Right || rectangle.Right < taskbarRect.Left ||
rectangle.Bottom < taskbarRect.Top || rectangle.Top > taskbarRect.Bottom);
}
private static bool MouseInTaskbar()
{
return(Taskbar.GetTaskbarRectangle().Contains(Cursor.Position));
}
public void ShowDrop()
{
// Wrong thread?
if (InvokeRequired)
{
Invoke(new MethodInvoker(() => ShowDrop()));
return;
}
// Somehow this can be run even when disposed...
if (IsDisposed)
{
return;
}
// Don't do anything if we're out of the taskbar with auto-hide
if (Taskbar.GetTaskbarState() == Taskbar.TaskbarState.AutoHide && !MouseInTaskbar())
{
Hide();
return;
}
// Now then...
lastNotifyIconPoint = _owner.GetLocation(false);
Hide();
// Point?
_owner.DropRefreshCallback(lastNotifyIconPoint.HasValue);
// Don't bother doing anything if we don't have a value
if (lastNotifyIconPoint.HasValue)
{
Point notifyIconLocation = lastNotifyIconPoint.Value;
// Stuff
Size taskbarSize = Taskbar.GetTaskbarSize();
Point taskbarLocation = Taskbar.GetTaskbarLocation();
// We've got a find, yessiree!
firstFind = true;
// Anyway, the task at hand; where does our drop zone go?
switch (Taskbar.GetTaskbarEdge())
{
case Taskbar.TaskbarEdge.Bottom:
Top = taskbarLocation.Y + 2;
Left = notifyIconLocation.X;
Width = 24;
Height = taskbarSize.Height;
break;
case Taskbar.TaskbarEdge.Top:
Top = -2;
Left = notifyIconLocation.X;
Width = 24;
Height = taskbarSize.Height;
break;
case Taskbar.TaskbarEdge.Left:
Top = notifyIconLocation.Y;
Left = -2;
Width = taskbarSize.Width;
Height = 24;
break;
case Taskbar.TaskbarEdge.Right:
Top = notifyIconLocation.Y;
Left = taskbarLocation.X + 2;
Width = taskbarSize.Width;
Height = 24;
break;
}
// We still want to show again even if we fail to find, but only if we've found it at least once!
if (firstFind)
{
// Post-disposal exception horror fix pt.2
try
{
Show();
TopMost = false;
}
catch { }
}
}
}
