[−][src]Function opencv::highgui::get_trackbar_pos
pub fn get_trackbar_pos(trackbarname: &str, winname: &str) -> Result<i32>
Returns the trackbar position.
The function returns the current position of the specified trackbar.
Note:
[Qt Backend Only] winname can be empty if the trackbar is attached to the control panel.
Parameters
- trackbarname: Name of the trackbar.
- winname: Name of the window that is the parent of the trackbar.