Results 3 issues of MainForm

### Environment - Pythonnet version: 3.0.0 - Python version: 3.8.13 - Operating System: window10 - .NET Runtime: .NET 6 ### Details - Describe what you were trying to get done....

shape of eye is (1,5,3) so, "[ : , 0]" is need to be fixed to "[0, : , 0]".

I want to make some trackbar by opencv. But, It doesn't work. Program just quit after call createTrackbar() function. So, I uninstalled this opencv version I download at this git....