(void)initialize
{
[self getIvars];
}

(void)getProperties
{
unsigned int count = 0;

objc_property_t *properties = class_copyPropertyList([UITextField class], &count);

for (int i = 0; i<count; i++) {
// 取出屬性
objc_property_t property = properties[i];

  // 打印屬性名字
  XMGLog(@"%s   <---->   %s", property_getName(property), property_getAttributes(property));

}

free(properties);
}

(void)getIvars
{
unsigned int count = 0;

// 拷貝出所有的成員變量列表
Ivar *ivars = class_copyIvarList([UITextField class], &count);

for (int i = 0; i<count; i++) {
// 取出成員變量
// Ivar ivar = *(ivars + i);
Ivar ivar = ivars[i];

  // 打印成員變量名字
  XMGLog(@"%s %s", ivar_getName(ivar), ivar_getTypeEncoding(ivar));

}

// 釋放
free(ivars);
}

Ivar *ivars = class_copyIvarList([UITextField class], &count);

for (int i = 0; i<count; i++) {
// 取出成員變量
// Ivar ivar = *(ivars + i);
Ivar ivar = ivars[i];

  // 打印成員變量名字
  XMGLog(@"%s %s", ivar_getName(ivar), ivar_getTypeEncoding(ivar));

}

// 釋放
free(ivars);
}