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Windows Application Interview Questions and Answers

What is the difference between RIA and WCF services?

Author: Alankar          Posted Date: April 02, 2015    Category: Windows Application     Points: 40

Some points are as under

1) WCF is concerned with technical aspects of communication between servers across tiers and message data management whereas RIA Web Services delegates this
functionality to WCF.

2) WCF is a generic service that could be used in Windows Forms for example whereas RIA Web Services is focused on Silverlight and ASP.NET clients

3) WCF does not generate source code to address class business logic such as validation that may need to be shared across tiers like RIA Web Services does.

4) The RIA Services can either exist on top of WCF or replace the WCF layer with RIA Services using alternatice data source e.g. an ORM layer(EF/NHibernate etc.)

5) RIA Services allow serializing LINQ queries between the client and server.

How can you display a default value in the text box of an input box?

Author: Subhransu Sekhar Jena          Posted Date: October 30, 2014    Category: Windows Application     Points: 40

You can display a default value in the text box of an input box by using the DefaultResponse argument of the InputBox() function.

How is anchoring different from docking?

Author: Subhransu Sekhar Jena          Posted Date: October 30, 2014    Category: Windows Application     Points: 40

Docking refers to attaching a control to either an edge (top, right, bottom, or left) or the client area of the parent control. On the other hand, anchoring is a process in which you need to specify the distance that each edge of your control maintains from the edges of the parent control.

Which method is used to generate the click event of the Control class for the Button control in C#?

Author: Subhransu Sekhar Jena          Posted Date: October 30, 2014    Category: Windows Application     Points: 40

The PerformClick() method of the Button class is used to generate the Click event of the System.Windows.Forms.Control class.

How can we display an icon or a bitmap image on the Button control?

Author: Subhransu Sekhar Jena          Posted Date: October 30, 2014    Category: Windows Application     Points: 40

The Button class contains the Image property, which is used to set an image on the Button control. We can also set the alignment of the image by using the ImageAlign property of the Button class.

How can we auto size a button to fit its text?

Author: Subhransu Sekhar Jena          Posted Date: October 30, 2014    Category: Windows Application     Points: 40

The Button control has the AutoSize property, which can be set to true or false. If we set the value of the AutoSize property to true, then the button control automatically alters its size according to the content displayed on it.

Difference Between LinkedLabel Clicked event and LinkedLabel LinkClicked event

Author: Narayanan          Posted Date: April 10, 2013    Category: Windows Application     Points: 40

No difference ,between LinkedLabel Clicked event and LinkedLabel LinkClicked event.
If you use two Events in your Project ,LinkedLabel Clicked event triggers,LinkedLabel LinkClicked event doesn't trigger.

Is it possible to use Keychar value in Keyup Event?

Author: Narayanan          Posted Date: August 16, 2012    Category: Windows Application     Points: 40

Yes , Use keyvalue

what are the ShoutCut Keys worked in the TextBox when Developer Specify ShoutCut Key for TextBox?

Author: Narayanan          Posted Date: August 08, 2012    Category: Windows Application     Points: 40

CTRL +H = Remove Last Character.
CTRL +Z = Select All Charaters/Last Character in TextBox.
CTRL +X = Cut selected Charaters in TextBox.
CTRL +C = Copy Selected Charaters in TextBox.
CTRL +P = Paste Selected Charaters in TextBox.
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