CodePudding user response:
https://bbs.csdn.net/topics/360140208CodePudding user response:
Method 1: set two subscription,Method 2: declare a static variable directly, form1 assignment, form3 values,
CodePudding user response:
https://bbs.csdn.net/topics/360140208CodePudding user response:
Method 1: set two subscription,Page link:https//www.codepudding.com/net/8995.html