\
**Category:** wxRuby\
**Created:** [November 25, 2009, 5:40pm UTC](https://www.ruby-forum.com/t/help-with-htmllistbox-hit-test-and-painting-on-dc/179467 "2009-11-25T17:40:23Z")\
**Posts on this page:** 3\
**Page:** 1
**Author:**  [@johnnybutler7](https://www.ruby-forum.com/u/johnnybutler7)\
**Post date:** [November 25, 2009, 5:40pm UTC](https://www.ruby-forum.com/t/help-with-htmllistbox-hit-test-and-painting-on-dc/179467/1 "2009-11-25T17:40:23Z")
I need help getting this code to work.
I am having trouble getting the hit\_test to work. It seems to be true
even when the mouse is not over the control (specifically to the right
of the control).
case
when (ht = @htmlctrl.hit\_test(@htmlctrl.screen\_to\_client
evt.get\_position)) != NOT\_FOUND
# …
I am also trying to paint on a DC. I have attached an example of this.
If you need any additional information please ask.
Thanks in advance.
---
**Author:**  [@johnnybutler7](https://www.ruby-forum.com/u/johnnybutler7)\
**Post date:** [November 25, 2009, 6:27pm UTC](https://www.ruby-forum.com/t/help-with-htmllistbox-hit-test-and-painting-on-dc/179467/2 "2009-11-25T18:27:35Z")
It seems I forgot to mention that the issue with the DC code is that it
draws under the previous image when the window is resized.
---
**Author:**  [@johnnybutler7](https://www.ruby-forum.com/u/johnnybutler7)\
**Post date:** [November 25, 2009, 9:50pm UTC](https://www.ruby-forum.com/t/help-with-htmllistbox-hit-test-and-painting-on-dc/179467/3 "2009-11-25T21:50:27Z")
OK. I found a solution for the first issue.
I still need help with painting on a DC.
I fixed it by checking the x position.
case
when (ht = @htmlctrl.hit\_test(@htmlctrl.screen\_to\_client
evt.get\_position)) != NOT\_FOUND &&
@htmlctrl.screen\_to\_client(evt.get\_position).x \<
@htmlctrl.get\_client\_size.width
# …