Causes form validation to occur and returns whether validation was successful 导致进行窗体验证并返回指示验证是否成功的信息。
Previews a keyboard message and returns a value indicating if the key was consumed 预览键盘消息，并返回指示该键是否已使用的值。
If your com object returns a success hresult , the runtime returns whatever value is in the 如果com对象返回指示成功的hresult ，则运行库将返回
Use exceptions sparingly , and avoid returning failure hresults for informational purposes 请尽量少用异常，并避免为获取信息而返回指示失败的hresult 。
This function returns a date value that indicates the date and time a file was created or last modified 此函数返回指示创建或最后修改文件的日期和时间的
When such a call is made , the called function usually returns a code indicating success or failure , and the 当进行此类调用时，所调用的函数通常返回指示成功或失败的代码，并且填充
To make using com types transparent , the runtime automatically throws an exception whenever a com method returns a failure hresult 若要使对com类型的使用透明，运行库就要在每次com方法返回指示失败的hresult时自动引发异常。
