CodePudding user response:
You will form 1 Name to changed, if be Form1, will not go wrongCodePudding user response:
You can cut a figure? It is very uncomfortableCodePudding user response:
Should be a null reference Form1 constructor,CodePudding user response:
You can view the detailsCodePudding user response:
This button event code that's ok with you, you this is the time to start the program error, check Form1 constructor, there should be out of the questionCodePudding user response:
Halcon variables need to be instantiated, suggest you use halcon directly turn c # files and then direct call, you can seeCodePudding user response:
Years of cervical spondylosis, againCodePudding user response:
With step by step, look at where an error, then find the solution accordingly,