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For some days I have been trying to optimize an image processing program (cropping, rotate, changing brightness and undo) written in c# 4.0. Getting suggestions from google I have optimized the code...

How to crop an image that is zoomed(zoomed in/out). Cropping works fine when the image is normal, that is not zoomed. I have used a panel whose AutoScroll property is true and a picturebox inside the...

How to crop an image that is zoomed(zoomed in/out). Cropping works fine when the image is normal, that is not zoomed. I have used a panel whose AutoScroll property is true and a picturebox inside the...

I have loaded some images in a listview using imagelist in c#. Now I want to copy any image and paste into another image within this listview using drag and drop. that is copy first image and paste...

I want to add images in a panel. Each image size is 5 to 6 MB. If I add more than 35 images then it shows error that "Out of Memory". This exceptions occur when Image.FromFile(string) is executed. If...

I want to save an image to the same file it was created from.
Platform: C#.Net.

Bitmap varBmp = (Bitmap)Bitmap.FromFile(@"E:\a.jpg");
//do something
...

Bitmap varBmp = (Bitmap)Bitmap.FromFile(@"E:\a.jpg");
//do something
varBmp.Save(@"E:\a.jpg");

How can I get the handle of varBmp image?

I want to develop a web application using asp.net(C#) that can take an image from a scanner (Microtek: scanmaker 1000XL). when a "Scan" button is clicked then the application will capture the image...

I want to develop an application that can take an image from a scanner (Microtek). when a "Scan" button is clicked then the application will capture the image from the scanner. How can I start this...

I wanna convert japanese text to speech using microsoft speech sdk 5.1. I have found there 5 kinds of voices including simplified chinese. Chinese text to speech works fine.

foreach...

I want to create a setup file using installshield or VS2008 of a c# project that will take user information at the time of installation and save the information in the database. How can it be...

It works.

it took some time to echo chinese character in the text box. I pressed button before all characters echo in the text box and that's why it assigns empty string.

Thanks all for...

i found the way to store wave file in mysql database as blob format.

But how to retrieve the wave file from the database and store it as audio Stream in c#?

I have a c# form application with a text box and a button. I type Chinese character in the text box and press the button to assign the input to a string using the following code
String chineseChar =...

The following code is used to connect C# with mysql server

connectionParam = "SERVER=" + DbServer + ";DATABASE=" + dbName + ";UID=" + uName+ ";PASSWORD=" + pass;

MySqlConnection mConnection =...

The following code is used to connect C# with mysql server
connectionParam = "SERVER=" + DbServer + ";DATABASE=" + dbName + ";UID=" + uName+ ";PASSWORD=" + pass;

MySqlConnection mConnection = new...

I wanna play background music and face detection simultaneously. But i couldn't play the music, though the playMusic() function works fine individually(in a separate project). When i call the...

Yes.There is no error. But no music heard. any statements after t.start() executes properly.

// CLASS: BackGroundMusicGP
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.InteropServices;
using System.IO;

Thanks.

I need c# code. i found some other examples such as

http://www.codeproject.com/KB/cs/ScreenSaverControl.aspx

But i think it is not so easy as the following method

public static...

To turn on screen saver programmatically, i found the following code(C# .NET framework 3.5) by googling

[DllImport("User32.dll")]
public static extern int SendMessage
(IntPtr hWnd,
uint...

i don't know the cash drawer model since it is not in my hand. i will inform you later.

cash drawer is attached to the POS printer.