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我在一个类中使用该属性:

@property (nonatomic, strong) NameOfMyClass* form;

当我在主函数中使用该代码时: form = formToSend;

//CHECK MANDATORIES
BOOL validMandatories = (0 != [self checkMandatoryFieldsWithForm:form withTableView:self.tableView withForm:self.formController]);

if (validMandatories)
{
    [self submitRegistrationForm];
}

以及子函数中的代码:

- (void)submitRegistrationForm
{
    [self.view setUserInteractionEnabled:NO];=> change the form address
    ....

}

它改变了表单类的地址。在 [self.view setUserInteractionEnabled:NO] 之前

Printing description of self->form:
<RegistrationForm_Renault_Control_Adagio: 0x7f81bf8a0200>

[self.view setUserInteractionEnabled:NO] 之后

Printing description of self->form:
<RegistrationForm_Renault_Control_Adagio: 0x7f81c092b600>

我避免该问题的解决方案,但我什至想了解为什么...

NameOfMyClass* formTemp = form; 
[self.view setUserInteractionEnabled:NO];
form = formTemp; 

有什么解释吗?

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