Method OnMouseButtonDown

StereoKitC/platforms/uwp.cpp:429–437

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	void OnMouseButtonDown(CoreWindow const & /*sender*/, PointerEventArgs const &args) {
		window_event_t e = { platform_evt_mouse_press };
		auto           p = args.CurrentPoint().Properties();
		if (p.IsLeftButtonPressed  () && input_key(key_mouse_left)    == button_state_inactive) { e.data.press_release = key_mouse_left;    platform_win_add_event(win_id, e); }
		if (p.IsRightButtonPressed () && input_key(key_mouse_right)   == button_state_inactive) { e.data.press_release = key_mouse_right;   platform_win_add_event(win_id, e); }
		if (p.IsMiddleButtonPressed() && input_key(key_mouse_center)  == button_state_inactive) { e.data.press_release = key_mouse_center;  platform_win_add_event(win_id, e); }
		if (p.IsXButton1Pressed    () && input_key(key_mouse_back)    == button_state_inactive) { e.data.press_release = key_mouse_back;    platform_win_add_event(win_id, e); }
		if (p.IsXButton2Pressed    () && input_key(key_mouse_forward) == button_state_inactive) { e.data.press_release = key_mouse_forward; platform_win_add_event(win_id, e); }
	}

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