public static Point TransformToScreen(Point point, Visual relativeTo)
{
var hwndSource = PresentationSource.FromVisual(relativeTo) as HwndSource;
var root = hwndSource.RootVisual;
// Translate the point from the visual to the root.
var transformToRoot = relativeTo.TransformToAncestor(root);
var pointRoot = transformToRoot.Transform(point);
// Transform the point from the root to client coordinates.
var m = Matrix.Identity;
var transform = VisualTreeHelper.GetTransform(root);
if (transform != null)
{
m = Matrix.Multiply(m, transform.Value);
}
var offset = VisualTreeHelper.GetOffset(root);
m.Translate(offset.X, offset.Y);
var pointClient = m.Transform(pointRoot);
// Convert from “device-independent pixels” into pixels.
pointClient = hwndSource.CompositionTarget.TransformToDevice.Transform(pointClient);
var pointClientPixels = new Native.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.
var pointScreenPixels = pointClientPixels;
Native.ClientToScreen(hwndSource.Handle, ref pointScreenPixels);
//Native.GetCurrentPositionEx(hwndSource.Handle, out pointScreenPixels);
//Native.GetWindowOrgEx(hwndSource.Handle, out pointScreenPixels);
return(new Point(pointScreenPixels.X, pointScreenPixels.Y));
}
public static Point TransformToScreen(Point point, Visual relativeTo)
{
var hwndSource = PresentationSource.FromVisual(relativeTo) as HwndSource;
var root = hwndSource.RootVisual;
// Translate the point from the visual to the root.
var transformToRoot = relativeTo.TransformToAncestor(root);
var pointRoot = transformToRoot.Transform(point);
// Transform the point from the root to client coordinates.
var m = Matrix.Identity;
var transform = VisualTreeHelper.GetTransform(root);
if (transform != null)
{
m = Matrix.Multiply(m, transform.Value);
}
var offset = VisualTreeHelper.GetOffset(root);
m.Translate(offset.X, offset.Y);
var pointClient = m.Transform(pointRoot);
// Convert from “device-independent pixels” into pixels.
pointClient = hwndSource.CompositionTarget.TransformToDevice.Transform(pointClient);
var pointClientPixels = new Native.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.
var pointScreenPixels = pointClientPixels;
Native.ClientToScreen(hwndSource.Handle, ref pointScreenPixels);
//Native.GetCurrentPositionEx(hwndSource.Handle, out pointScreenPixels);
//Native.GetWindowOrgEx(hwndSource.Handle, out pointScreenPixels);
return new Point(pointScreenPixels.x, pointScreenPixels.y);
}
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);
Native.POINT pointClientPixels = new Native.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.
Native.POINT pointScreenPixels = pointClientPixels;
Native.ClientToScreen(hwndSource.Handle, pointScreenPixels);
return(new Point(pointScreenPixels.x, pointScreenPixels.y));
}
