Locates the specified type from this assembly and creates an instance of it using the system activator, with optional case-sensitivesearch.
从这个组件找出指定型别，并使用系统启动项，利用选择性区分大小写的搜寻，建立它的执行个体。
2
Returns the specified type, specifying whether to make a case-sensitivesearch of the module and whether to throw an exception if the type cannot be found.
传回指定的型别，并指定是否要对模组进行区分大小写的搜寻，以及是否要在找不到型别时掷回例外状况。
3
It's important to note that the Contains method always does a case-sensitivesearch; if we looked for the string RIPT, Contains would tell us that this text could not be found.