I'm confused on how to determine the actual x,y screen coordinates for a popup menu. I'm able to locate the x,y coordinates based on my ListCtrl widget but unfortunately my popup menu is being placed based on x,y coordinates from the upper left hand corner of my main app.

Here is my code snippet

sub CreateUserPopupMenu {

     my( $self, $event ) = @_;

     my $x=$event->GetPoint()->x;
     my $y=$event->GetPoint()->y;
    
    print "X: $x\n";
    print "Y: $y\n\n";
    
    my $menu=Wx::Menu->new();

    $menu->Append($id[1000], "Delete User");
    EVT_MENU( $self, $id[1000], \&DeleteUser );

    $self->PopupMenu($menu, $x, $y);
    
}
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I'm able to get the current width and height of my main app via

    my $sz =  $self->GetSize();
    my ($posx,$posy) = $self->ClientToScreen((0,0));
    my $height = $sz->GetHeight();
    my $width = $sz->GetWidth();
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Am I missing the obvious or is there a better way to determine the actual x,y coordinate of my mouse click based on the current screen resolution?