public static POINT GetCursorPosition()
{
POINT currentMousePoint;
var gotPoint = GetCursorPos(out currentMousePoint);
if (!gotPoint) { currentMousePoint = new POINT(0, 0); }
return currentMousePoint;
}
private static extern bool ClientToScreen(IntPtr hWnd, ref POINT lpPoint);
private static extern bool ScreenToClient(IntPtr hWnd, ref POINT lpPoint);
private static extern int ScreenToClient(IntPtr hwnd, ref POINT pt);
private static extern void GetCursorPos(out POINT pt);
private static extern bool GetCursorPos(out POINT lpPoint);
internal static extern bool GetCursorPos(out POINT lpPoint);
/// <summary>
/// This converts the position into screen coords
/// </summary>
/// <remarks>
/// Got this here:
/// http://blogs.msdn.com/llobo/archive/2006/05/02/Code-for-getting-screen-relative-Position-in-WPF.aspx
/// </remarks>
public static Point TransformToScreen(Point point, Visual relativeTo)
{
HwndSource hwndSource = PresentationSource.FromVisual(relativeTo) as HwndSource;
Visual root = hwndSource.RootVisual;
// Translate the point from the visual to the root.
GeneralTransform transformToRoot = relativeTo.TransformToAncestor(root);
Point pointRoot = transformToRoot.Transform(point);
// Transform the point from the root to client coordinates.
Matrix m = Matrix.Identity;
Transform transform = VisualTreeHelper.GetTransform(root);
if (transform != null)
{
m = Matrix.Multiply(m, transform.Value);
}
Vector offset = VisualTreeHelper.GetOffset(root);
m.Translate(offset.X, offset.Y);
Point pointClient = m.Transform(pointRoot);
// Convert from “device-independent pixels” into pixels.
pointClient = hwndSource.CompositionTarget.TransformToDevice.Transform(pointClient);
POINT pointClientPixels = new POINT();
pointClientPixels.x = (0 < pointClient.X) ? (int)(pointClient.X + 0.5) : (int)(pointClient.X - 0.5);
pointClientPixels.y = (0 < pointClient.Y) ? (int)(pointClient.Y + 0.5) : (int)(pointClient.Y - 0.5);
// Transform the point into screen coordinates.
POINT pointScreenPixels = pointClientPixels;
ClientToScreen(hwndSource.Handle, pointScreenPixels);
return new Point(pointScreenPixels.x, pointScreenPixels.y);
}
static extern int SetAdapter(POINT screenSpacePoint);
public static extern bool GetCursorPos(ref POINT lpPoint);
static extern IntPtr MonitorFromPoint(POINT pt, int dwFlags);
private static extern bool GetCursorPos(out POINT pt);
private static extern IntPtr MonitorFromPoint(POINT pt, MonitorOptions dwFlags);
private static extern IntPtr WindowFromPoint(POINT Point);
public static extern bool GetCursorPos(out POINT pt);
static extern void SetCamera(POINT pos);
static extern bool GetCursorPos(out POINT lpMousePoint);
void AdapterTimer_Tick(object sender, EventArgs e)
{
POINT p = new POINT(imgelt.PointToScreen(new Point(0, 0)));
HRESULT.Check(SetAdapter(p));
}
public static bool MoveCursor(POINT point)
{
return SetCursorPos(point.x, point.y);
}
protected override void OnPreviewKeyDown(KeyEventArgs e)
{
base.OnPreviewKeyDown(e);
if ((!IsMouseCaptured) || (e.Key != Key.H))
return;
e.Handled = true;
var pos = PointToScreen(Mouse.GetPosition(this));
var point = new POINT { X = (int)pos.X, Y = (int)pos.Y };
var hwnd = WindowFromPoint(point);
if (hwnd == new WindowInteropHelper(this).Handle)
{
var points = new List<Point>
{
new Point(Owner.Left + 10, Owner.Top + 10), // Top left
new Point(Owner.Left + Owner.ActualWidth - ActualWidth - 10, Owner.Top + 10), // Top right
new Point(Owner.Left + 10, Owner.Top + Owner.ActualHeight - ActualHeight - 10), // Bottom left
new Point(Owner.Left - 10 + Owner.ActualWidth - ActualWidth, Owner.Top + Owner.ActualHeight - ActualHeight - 10), // Bottom right
};
var current = new Point(Left, Top);
var furthestPoint = points.OrderByDescending(testPoint => (testPoint - current).LengthSquared).First();
Left = furthestPoint.X;
Top = furthestPoint.Y;
return;
}
hwnd = GetAncestor(hwnd, GA_ROOT);
if (hwnd == GetDesktopWindow())
return;
ShowWindow(hwnd, SW_HIDE);
hidden.Add(hwnd);
}
