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About Syed Rizwan Muhammad Rizvi
Expertise
I can answers questions regarding web based and desktop based programming in VB.Net. Which can include SOAP, XML, Custom Controls, COM Interoperability etc.

Experience
Have been working in this specific area for last 2 years previously I was a VB 6 Developer with experties in other languages as well. Total 10 years of programming experience.

 
   

You are here:  Experts > Computing/Technology > Basic > VB.NET > Doubt on event firing

Topic: VB.NET



Expert: Syed Rizwan Muhammad Rizvi
Date: 7/29/2008
Subject: Doubt on event firing

Question
i have a button in my program and its purpose is to load an image in to an image object. If i am press on that button Continuously it fires multiple time and throw an outofmemory exception. how can i block this.

if i am press on that button 3 times repeatedly and the first calling is still not complete then i don't need the next calling.  

Answer
There is a mechanism called Event Queuing which actually queues the event of an object unless the first event fired is complete.

You might want to use threads if you want to your button to be more responsive and do multiple taks at once.

Regards,
Riz

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