public override void Show()
{
UnmanagedMethods.ShowWindow(Handle.Handle, UnmanagedMethods.ShowWindowCommand.ShowNoActivate);
// We need to steal focus if it's held by a child window of our toplevel window
var parent = _parent;
while (parent != null)
{
if (parent is PopupImpl pi)
{
parent = pi._parent;
}
else
{
break;
}
}
if (parent == null)
{
return;
}
var focusOwner = UnmanagedMethods.GetFocus();
if (focusOwner != IntPtr.Zero &&
UnmanagedMethods.GetAncestor(focusOwner, UnmanagedMethods.GetAncestorFlags.GA_ROOT)
== parent.Handle.Handle)
{
UnmanagedMethods.SetFocus(parent.Handle.Handle);
}
}