How do I simulate optional parameters to COM calls ?

Posted by Bharathi Cherukuri on 5/18/2012 | Category: C# Interview questions | Views: 2340 | Points: 40

Post |

Interview FAQs |

Exclusive Questions |

Interview Home

Answer:

To simulate optional parameters to COM calls, You must use the Missing class and pass Missing.Value (in System.Reflection) for any values that have optional parameters.

Asked In: Many Interviews | Alert Moderator

Bookmark It

< Previous : How do you directly call a native function exporte ...

Next > : Which property of the textbox cannot be changed at ...

Comments or Responses

More Interview Questions by Bharathi Cherukuri

Which property of the textbox cannot be changed at runtime ?
What is the difference between proc. sent BY VAL and BY SUB ?
What are the syntax rules of XQuery?
What is a UID and how do I get one ?
How to perform comparisons in XQuery ?
How to perform operation on node using XQuery function in XML?Explain ...
Explain about XML Canonicalization ?
Explain about core validation ?

Latest Interview Questions

How will you Encode/Decode URL in jQuery ?
Can you show a sample of Duplex Contract in WCF ?
What is the primary reason for which Duplex Contract is used in WCF ?
What are the 3 message patterns available in WCF ?
What is duplex contract in WCF?
What is Sessionful Services in WCF One Way Contract ?
Is the below code correct :- [ServiceContract] interface IMyContra ...
In WCF, while using one way contract, suppose a client invokes a metho ...
More ...