Methods and apparatuses for selectively sharing a portion of a display for application based screen sampling using direct draw applications

1 . A method comprising:

sharing desktop content with an attendee device wherein the desktop content corresponds with a presenter device and wherein the desktop content includes a hidden window;

preventing the attendee device from viewing the hidden window;

displaying the desktop content including the hidden window on the presenter device; and

displaying the desktop content excluding the hidden window on the attendee device.

2 . The method according to claim 1 wherein the hidden window contains content.

3 . The method according to claim 1 wherein the desktop content includes a shared window.

4 . The method according to claim 3 further comprising simultaneously displaying the shared window with the hidden window on the presenter device.

5 . The method according to claim 1 wherein the hidden window is a chat window.

6 . The method according to claim 1 wherein the hidden window is an electronic mail application.

7 . The method according to claim 1 further comprising highlighting the hidden window within the presenter device.

8 . The method according to claim 1 further comprising annotating the desktop content from the attendee device.

9 . The method according to claim 1 wherein the hidden window is semi-transparent.

10 . A system, comprising:

a window detection module configured to detect a shared window and a hidden window;

an internal render module configured to display the shared window and the hidden window to a presenter device; and

an external render module configure to display the shared window to an attendee device.

11 . The system according to claim 10 further comprising a window selection module configured to identify the hidden window.

12 . The system according to claim 10 wherein the hidden window is semi-transparent.

13 . The system according to claim 10 wherein the hidden window is opaque.

14 . The system according to claim 10 further comprising an interface module configured to allow the attendee device to modify the shared window.

15 . A method comprising:

selectively sharing desktop content with an attendee device wherein the desktop content includes a shared window and a hidden window;

displaying the desktop content including the hidden window on the presenter device;

detecting a modification to the desktop content that is beneath the hidden window wherein the modification is performed by the attendee device; and

excluding the hidden window from the desktop content for display on the attendee device.

16 . The method according to claim 15 wherein the hidden window is semi-transparent.

17 . The method according to claim 15 further comprising simultaneously displaying the shared window and the hidden window on the presenter device.

18 . The method according to claim 15 further comprising simultaneously displaying the modification, the shared window, and the hidden window on the presenter device.

19 . The method according to claim 15 wherein the hidden window includes animated content.

20 . The method according to claim 15 wherein the hidden window is distinguished from the shared window.