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Home » C# Language » How to change screen resolution in C#

How to change screen resolution in C#

All programmers are facing common problem is how to change screen Resolution dynamically. In .Net 2005 it's very easy to change the screen resolution. Here I will explain you how can we get the Screen resolution and how we will change the resolution at dynamically and while unloading the page it will come as it was before. In dot net we can access the values of user's screen resolution through the Resolution class. It also affects all running (and minimized) programs.

Technologies: .NET 1.0/1.1, ASP.NET 1.0,Visual C# .NET
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Introduction

It is a sample program It will demonstrate how to change resolution at runtime.

All programmers are facing common problem is how to change screen Resolution dynamically. In .Net 2005 it's very easy to change the screen resolution. Here I will explain you how can we get the screen resolution and how we will change the resolution dynamically and while unloading the page it will come as it was before. In .NET we can access the values of user's screen resolution through the Resolution class. It also affects all running (and minimized) programs.

Page_Load Code

Screen Srn = Screen.PrimaryScreen;

tempHeight = Srn.Bounds.Width;

tempWidth = Srn.Bounds.Height;

Page.ClientScript.RegisterStartupScript(this.GetType(), "Error", "<script type=\"text/javascript\">alert('" + "Your Current Resolution  is = " + tempHeight + " * " + tempWidth + "');</script>");

//if you want Automatically Change res.at page load. please uncomment this code.

 

if (tempHeight == 600)//if the system is 800*600 Res.then change to

{

FixHeight = 768;

FixWidth = 1024;

Resolution.CResolution ChangeRes = new Resolution.CResolution(FixHeight, FixWidth);

} 

Change Resoultion 

switch (cboRes.SelectedValue.ToString())

{

    case "800*600":

        FixHeight = 800;

        FixWidth = 600;

        Resolution.CResolution ChangeRes600 = new Resolution.CResolution(FixHeight, FixWidth);

        break;

 

    case "1024*768":

        FixHeight = 1024;

        FixWidth = 768;

        Resolution.CResolution ChangeRes768 = new Resolution.CResolution(FixHeight, FixWidth);

        break;

    case "1280*1024":

        FixHeight = 1280;

        FixWidth = 1024;

        Resolution.CResolution ChangeRes1024 = new Resolution.CResolution(FixHeight, FixWidth);

        break;

}


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 About the author
 
Joshy George
Joshy George , has over 5 years in Microsoft technologies. Certified Microsoft Professional with Master Degree in Computers. Working with Infogenie ITAS Pvt.Ltd,Infopark,Kochin,India, as a Sr.Software Engineer and have good experience in C#,ASP.net ,VB, ASP, SQL Server, smart card application,Tapii,Com ctrls.
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 Comments
Screen Res Change by Brian On October 23, 2006
I
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Screen Res Change by Brian On October 23, 2006
I was
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Screen Res Change by Brian On October 23, 2006

I was able to run the screen res function once or twice and it worked and then after that I would get this error

 

MessageBox.Show("Unable to process your request");

MessageBox.Show("Description: Unable To Process Your Request. Sorry For This Inconvenience.", "Information", MessageBoxButtons.OK, MessageBoxIcon.Information);

 

What might I be missing

Reply | Email | Delete | Modify | 
Re: Screen Res Change by Sachin On October 25, 2007
Hi Can U get how to Change the client side resolution so please tell me
Reply | Email | Delete | Modify | 
Screen Class by Pankaj On November 1, 2006

 

Can u please tell me in which namespace screen class is?

 

Pankaj Gupta

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please reply earlier by asad On November 12, 2006

hey sir,

i am student of graduate program in first semister I have to submit my presentation on "C graphics" at 22nd of this month. Can you help me for making presentation? Please reply me earlier.....My ID is asad_uk2003@hotmail.com

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Dynamic tool tip text by Ranjan On December 28, 2006

Sir,

I am ranjan .1) How can we create dynamic too tip text in VB.Net.So that

whatever content is in the textbox or any other control when i take the mouse over the control I can see all the content of that control which is unvisible to me.

2) ur code on screen resolution is fine but if u can send it in VB.Net source code.

My email id is :itranjan@yahoo.com cellno.09891550294

It'S urgent pls send it as soon as possible till tomorrow.

                                    Thanking you.

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doubt by mohan On May 31, 2007
Hi Sir, now i am working in software programmer. how to change the screen resolution in vb.net? send the answere to my email id is m.mohanraj.pro@gmail.com
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doubt by mohan On May 31, 2007

Hi Sir, now i am working in software programmer. how to change the screen resolution in vb.net? send the answere to my email id is m.mohanraj.pro@gmail.com

 

by mohan raj.

 

===================> Replay me<========================

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Screen Res Change by siddique On December 18, 2007
Its great dear. Well done man. I like it. Thanks once again of you
Reply | Email | Delete | Modify | 
How to change screen resolution in C# by Lokesh On December 28, 2007
hello sir in which namespace resolution class is found. i am having problem in locating this class
Reply | Email | Delete | Modify | 
Que by vinayak On February 24, 2008
hello sir my que i , in C# how to compare two word (.doc) files? please reply me sir
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depends of OS Version by Marcela On September 25, 2008
Hi.... I have already test this funcion "Screen.PrimaryScreen;" But it return diferent values where i exceute my web page on Windwos Server and on Windows Vista Why? Why if a change my resolution in Vista... this value is always the same? Tnk's
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dss by hossam On December 20, 2008
thanks
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Resolution problem - Windows application by karthizen On January 28, 2009
I am a beginner to c# & right now doing a windows application, I guess the above example is for web application. Can anyone guide me in changing the resolution while working in windows application? Regards, karthik
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Re: Resolution problem - Windows application by Hardik On July 1, 2009
Hi,

              I was try so many times to change resolution. But this is not possilble. i m trying to solve this problem.If you find somthing good pls send me as soon as possible. I need someone help. haddyamd@gmail.com
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Not workin by kartik On January 30, 2009
This one is not working shows the exception....
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C# Resolution by Hardik On July 1, 2009
Hi,

            Is it possible in windows based application ? I want to change resolution at runtime.Please send me code. i was try but this is not possible.haddyamd@gmail.com   
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re: by Bhavna On August 10, 2009
hello sir,
        your code is working very good.
thank you.
Garasia Bhavna.
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