private void ResizeU3D()
{
if (isU3DLoaded)
{
Window window = Window.GetWindow(this);
u3dLeftUpPos = Panel1.TransformToAncestor(window).Transform(new Point(0, 0));
DPIUtils.Init(this);
//MessageBox.Show($"{DPIUtils.DPIX},{DPIUtils.DPIY}");
u3dLeftUpPos.X *= DPIUtils.DPIX;
u3dLeftUpPos.Y *= DPIUtils.DPIY;
MoveWindow(unityHWND, (int)u3dLeftUpPos.X, (int)u3dLeftUpPos.Y, (int)(Panel1.ActualWidth * DPIUtils.DPIX), (int)(Panel1.ActualHeight * DPIUtils.DPIY), true);
ActivateUnityWindow();
}
}