c# windows phone -- text box doesn't understand foreign characters? - c#

I'm building an app to access Google Translate for Windows Phone. I've noticed that for languages where the translated words will have foreign characters, the text box gets all screwed up and instead displays random symbols and such. Not sure why. Do I need to enable something on the text box?
Code:
private void btnTranslate_Click(object sender, RoutedEventArgs e)
{
string text = txtboxOriginal.Text;
string fromLanguage;
string toLanguage;
//Use Bing.
if ((bool)settings["translateIsBing"] == true)
{
if (string.IsNullOrWhiteSpace(text))
{
MessageBox.Show("Can't translate with nothing to translate. Please try again.");
}
else
{
}
}
//Use Google.
else if ((bool)settings["translateIsGoogle"] == true)
{
if (string.IsNullOrWhiteSpace(text))
{
MessageBox.Show("Can't translate with nothing to translate. Please try again.");
}
else
{
fromLanguage = this.getLanguageCodeGoogle(lstOriginalLanguages.SelectedIndex.ToString());
toLanguage = this.getLanguageCodeGoogle(lstTranslateToLanguages.SelectedIndex.ToString());
string url = "http://translate.google.com/translate_t?text=" + text + "&sl=" + fromLanguage + "&tl=" + toLanguage;
WebClient webclient = new WebClient();
webclient.DownloadStringCompleted += new DownloadStringCompletedEventHandler(webclient_DownloadStringCompleted);
webclient.DownloadStringAsync(new Uri(url, UriKind.RelativeOrAbsolute));
}
}
}
void webclient_DownloadStringCompleted(object sender, DownloadStringCompletedEventArgs e)
{
if (e.Error == null)
{
try
{
Debug.WriteLine(e.Result);
string result = e.Result;
int startPosition = result.IndexOf("TRANSLATED_TEXT='");
int length = result.IndexOf(#"';INPUT") - startPosition;
string partial = result.Substring(startPosition, length);
Debug.WriteLine("Step 1: {0}", partial);
startPosition = partial.IndexOf("'") + 1;
length = partial.Length - startPosition;
string secondPartial = partial.Substring(startPosition, length);
Debug.WriteLine("Step 2: {0}", secondPartial);
translatedText = secondPartial;
txtboxOriginal.Text = secondPartial;
btnTranslate.Content = "Translated";
btnTranslate.IsEnabled = false;
btnCopy.Visibility = Visibility.Visible;
btnCopy.IsEnabled = true;
btnReset.Visibility = Visibility.Visible;
btnReset.IsEnabled = true;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
}


The issues is could by the encoding type of the response from Google.
When you look at the Content-type of the response it isn't UTF8 always which what WebClient.DownloadStringAsync decodes it to so you have to change the decoding type
You will have to change the Webclient.Encoding to match the request type
The solution to the problem can be found here

Related

Listbox Item holds data

Server 1 Server2 Server Config Screen
I am trying to make a video game server manager and I have run into an issue. I want the user to be able to have as many servers as they would like. However I cannot figure out through google searching and just regular messing around how to store the information that the user selects to become associated with the Server they create in the list. Basically when you make Server1 it takes the info you selected from the boxes on the config screen and uses them on the server selection page. But, when you make Server2, the configuration overwrites Server1's configuration. I know my code isn't even setup to be able to do this but I would appreciate a push in the right direction as to which type of code I should use.
Tl:dr I want config options to be associated with ServerX in the server list and each server should have unique settings.
public partial class Form1 : Form
{
//Variables
string srvName;
string mapSelect;
string difSelect;
public Form1()
{
InitializeComponent();
this.srvList.SelectedIndexChanged += new System.EventHandler(this.srvList_SelectedIndexChanged);
}
private void srvList_SelectedIndexChanged(object sender, EventArgs e)
{
if(srvList.SelectedIndex == -1)
{
dltButton.Visible = false;
}
else
{
dltButton.Visible = true;
}
//Text being displayed to the left of the server listbox
mapLabel1.Text = mapSelect;
difLabel1.Text = difSelect;
}
private void crtButton_Click(object sender, EventArgs e)
{
//Add srvName to srvList
srvName = namBox1.Text;
srvList.Items.Add(srvName);
//Selections
mapSelect = mapBox1.Text;
difSelect = difBox1.Text;
//Write to config file
string[] lines = { mapSelect, difSelect };
System.IO.File.WriteAllLines(#"C:\Users\mlynch\Desktop\Test\Test.txt", lines);
//Clear newPanel form
namBox1.Text = String.Empty;
mapBox1.SelectedIndex = -1;
difBox1.SelectedIndex = -1;
//Return to srvList
newPanel.Visible = false;
}
}

You mentioned in a recent comment that you had tried saving to a .txt file but it overwrote it anytime you tried to make an additional one. If you wanted to continue with your .txt approach, you could simply set a global integer variable and append it to each file you save.
//Variables
string srvName;
string mapSelect;
string difSelect;
int serverNumber = 0;
...
serverNumber++;
string filepath = Path.Combine(#"C:\Users\mlynch\Desktop\Test\Test", serverNumber.ToString(), ".txt");
System.IO.File.WriteAllLines(filepath, lines);

I think below source code will give you some idea about the direction. Let us start with some initializations:
public Form1()
{
InitializeComponent();
this.srvList.SelectedIndexChanged += new System.EventHandler(this.srvList_SelectedIndexChanged);
mapBox1.Items.Add("Germany");
mapBox1.Items.Add("Russia");
difBox1.Items.Add("Easy");
difBox1.Items.Add("Difficult");
}
This is the event handler of the "Create Server" button. It takes server parameters from the screen and writes to a file named as the server.
private void crtButton_Click(object sender, EventArgs e)
{
//Add srvName to srvList
srvName = namBox1.Text;
srvList.Items.Add(srvName);
//Selections
mapSelect = mapBox1.Text;
difSelect = difBox1.Text;
//Write to config file
string path = #"C:\Test\" + srvName + ".txt";
StreamWriter sw = new StreamWriter(path);
sw.WriteLine(mapSelect);
sw.WriteLine(difSelect);
sw.Flush();
sw.Close();
//Clear newPanel form
namBox1.Text = String.Empty;
mapBox1.SelectedIndex = -1;
difBox1.SelectedIndex = -1;
//Return to srvList
//newPanel.Visible = false;
}
And finally list box event handler is below. Method reads the server parameters from file and displays on the screen.
private void srvList_SelectedIndexChanged(object sender, EventArgs e)
{
if (srvList.SelectedIndex == -1)
{
dltButton.Visible = false;
}
else
{
dltButton.Visible = true;
}
string path = #"C:\Test\" + srvList.SelectedItem + ".txt";
StreamReader sr = new StreamReader(path);
//Text being displayed to the left of the server listbox
mapLabel1.Text = sr.ReadLine(); // mapSelect;
difLabel1.Text = sr.ReadLine(); // difSelect;
}
Please feel free to ask any questions you have.

I ended up figuring out the issue. Basically I ended up deciding on a write to a txt file and then read from it to display the contents of the file in the server select menu. I also added a delete button so you can delete the servers that you created. it does not have full functionality yet but it is there. So here it what I ended up with and it works perfectly. Thank you all for trying to help.
public partial class Form1 : Form
{
//Variables
string srvName;
string mapSelect;
string mapFile;
string difSelect;
string difFile;
int maxPlayers;
string plrSelect;
string plrFile;
string finalFile;
string basepath = System.IO.Path.GetDirectoryName(Assembly.GetEntryAssembly().Location);
string fileName = "config.txt";
public Form1()
{
InitializeComponent();
this.srvList.SelectedIndexChanged += new System.EventHandler(this.srvList_SelectedIndexChanged);
}
private void srvList_SelectedIndexChanged(object sender, EventArgs e)
{
//Read Server Selection
string srvSelect = srvList.GetItemText(srvList.SelectedItem);
string srvOut = System.IO.Path.Combine(basepath, srvSelect, fileName);
mapFile = File.ReadLines(srvOut).Skip(1).Take(1).First();
difFile = File.ReadLines(srvOut).Skip(2).Take(1).First();
plrFile = File.ReadLines(srvOut).Skip(3).Take(1).First();
//Display Server Selection
if (srvList.SelectedIndex == -1)
{
dltButton.Visible = false;
}
else
{
dltButton.Visible = true;
mapLabel1.Text = mapFile;
difLabel1.Text = difFile;
plrLabel1.Text = plrFile;
}
private void crtButton_Click(object sender, EventArgs e)
{
//Set Server Name
srvName = namBox1.Text;
string finalpath = System.IO.Path.Combine(basepath, srvName);
//Check if server name is taken
if (System.IO.Directory.Exists(finalpath))
{
MessageBox.Show("A Server by this name already exists");
}
else
{
//Add Server to the Server List
srvList.Items.Add(srvName);
//Server Configuration
mapSelect = mapBox1.Text;
difSelect = difBox1.Text;
maxPlayers = maxBar1.Value * 2;
plrSelect = "" + maxPlayers;
//Clear New Server Form
namBox1.Text = String.Empty;
mapBox1.SelectedIndex = -1;
difBox1.SelectedIndex = -1;
//Create the Server File
Directory.CreateDirectory(finalpath);
finalFile = System.IO.Path.Combine(finalpath, fileName);
File.Create(finalFile).Close();
//Write to config file
string[] lines = { srvName, mapSelect, difSelect, plrSelect };
System.IO.File.WriteAllLines(#finalFile, lines);
//Return to srvList
newPanel.Visible = false;
}
}
}

C# Launcher based on WebClient

I'm creating simple launcher for my other application and I need advise on logical part of the program. Launcher needs to check for connection, then check for file versions (from site), compare it with currently downloaded versions (if any) and if everything is alright, start the program, if not, update (download) files that differs from newest version. The files are:
program.exe, config.cfg and mapFolder. The program.exe and mapFolder must be updated, and config.cfg is only downloaded when there is no such file. Additionaly mapFolder is an folder which contains lots of random files (every new version can have totally different files in mapFolder).
For the file version I thought I would use simple DownloadString from my main site, which may contain something like program:6.0,map:2.3, so newest program ver is 6.0 and mapFolder is 2.3. Then I can use FileVersionInfo.GetVersionInfo to get the version of current program (if any) and include a file "version" into mapFolder to read current version.
The problem is I dont know how to download whole folder using WebClient and what's the best way to do what I want to do. I've tried to download the mapFolder as zip and then automatically unpack it, but the launcher need to be coded in .net 3.0.
Here is my current code, that's just a prototype to get familiar with whole situation, dont base on it.
`
WebClient wc = new WebClient();
string verifySite = "google.com/downloads/version";
string downloadSite = "google.com/downloads/program.exe";
Uri verifyUri, downloadUri = null;
string userVer, currVer = "";
string downloadPath = Directory.GetCurrentDirectory();
string clientName = "program.exe";
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
wc.DownloadFileCompleted += new AsyncCompletedEventHandler(FileDownloaded);
wc.DownloadProgressChanged += new DownloadProgressChangedEventHandler(FileDownloadProgress);
chckAutorun.Checked = Properties.Settings.Default.autorun;
checkConnection();
if(!checkVersion())
downloadClient();
else
{
pbDownload.Value = 100;
btnPlay.Enabled = true;
lblProgress.Text = "updated";
if (chckAutorun.Checked)
btnPlay.PerformClick();
}
}
private bool checkConnection()
{
verifyUri = new Uri("http://" + verifySite);
downloadUri = new Uri("http://" + downloadSite);
WebRequest req = WebRequest.Create(verifyUri);
try
{
HttpWebResponse resp = (HttpWebResponse)req.GetResponse();
return true;
}
catch { }
verifyUri = new Uri("https://" + verifySite);
downloadUri = new Uri("https://" + downloadUri);
req = WebRequest.Create(verifyUri);
try
{
HttpWebResponse resp = (HttpWebResponse)req.GetResponse();
return true;
}
catch { }
return false;
}
private void downloadClient()
{
try
{
wc.DownloadFileAsync(downloadUri, Path.Combine(downloadPath, clientName));
}
catch { }
}
private bool checkVersion()
{
lblProgress.Text = "checking for updates";
try
{
currVer = FileVersionInfo.GetVersionInfo(Path.Combine(downloadPath, clientName)).FileVersion;
}
catch {
currVer = "";
}
try
{
userVer = wc.DownloadString(verifyUri);
}
catch {
userVer = "";
}
return currVer == userVer && currVer != "";
}
private void FileDownloaded(object sender, AsyncCompletedEventArgs e)
{
btnPlay.Enabled = true;
lblProgress.Text = "updated";
if (chckAutorun.Checked)
btnPlay.PerformClick();
}
private void FileDownloadProgress(object sender, DownloadProgressChangedEventArgs e)
{
long received = e.BytesReceived / 1000;
long toReceive = e.TotalBytesToReceive / 1000;
lblProgress.Text = string.Format("{0}KB {1}/ {2}KB", received, Repeat(" ", Math.Abs(-5 + Math.Min(5, received.ToString().Length))*2), toReceive);
pbDownload.Value = e.ProgressPercentage;
}
private void btnPlay_Click(object sender, EventArgs e)
{
btnPlay.Enabled = false;
if(checkVersion())
{
lblProgress.Text = "Starting...";
Process.Start(Path.Combine(downloadPath, clientName));
this.Close();
}
else
{
downloadClient();
}
}
public static string Repeat(string instr, int n)
{
if (string.IsNullOrEmpty(instr))
return instr;
var result = new StringBuilder(instr.Length * n);
return result.Insert(0, instr, n).ToString();
}
private void chckAutorun_CheckedChanged(object sender, EventArgs e)
{
Properties.Settings.Default.autorun = chckAutorun.Checked;
Properties.Settings.Default.Save();
}`

I've managed to achieve what I need by enabling autoindex on web server and download string of files in folder ending with .map .
string mapSite = wc.DownloadString(new Uri("http://" + mapsSite));
maps = Regex.Matches(mapSite, "<a href=\"(.*).map\">");
foreach (Match m in maps)
{
string mapName = m.Value.Remove(0, 9).Remove(m.Length - 11);
downloaded = false;
wc.DownloadFileAsync(new Uri("http://" + mapsSite + mapName), Path.Combine(downloadPath, #"mapFolder/" + mapName));
while (!downloaded) { }
}

How to report progress on file output using progressbar in WinForms?

I made a program that changes a .txt file by using Writeline(). Everything works fine, just I really want to know whether it is possible or not to show the progress of the writing, or not, and if possible, how. Note: I only recently began with c#.
private void button1_Click(object sender, EventArgs e)
{
string res = "";
{
if (checkBox1.Checked == true) { res = "playercontrols:1:up-w,right-d,left-a,aimy-,run-lshift,reload-r,portal2-,portal1-,jump- ,aimx-,down-s,use-e;playercontrols:2:up-joy-1-hat-1-u,right-joy-1-hat-1-r,left-joy-1-hat-1-l,aimy-joy-1-axe-4-neg,run-joy-1-but-3,reload-joy-1-but-4,portal2-joy-1-but-6,portal1-joy-1-but-5,jump-joy-1-but-1,aimx-joy-1-axe-5-neg,down-joy-1-hat-1-d,use-joy-1-but-2;playercontrols:3:up-joy-2-hat-1-u,right-joy-2-hat-1-r,left-joy-2-hat-1-l,aimy-joy-2-axe-4-neg,run-joy-2-but-3,reload-joy-2-but-4,portal2-joy-2-but-6,portal1-joy-2-but-5,jump-joy-2-but-1,aimx-joy-2-axe-5-neg,down-joy-2-hat-1-d,use-joy-2-but-2;playercontrols:4:up-joy-3-hat-1-u,right-joy-3-hat-1-r,left-joy-3-hat-1-l,aimy-joy-3-axe-4-neg,run-joy-3-but-3,reload-joy-3-but-4,portal2-joy-3-but-6,portal1-joy-3-but-5,jump-joy-3-but-1,aimx-joy-3-axe-5-neg,down-joy-3-hat-1-d,use-joy-3-but-2;playercolors:1:224,32,0,136,112,0,252,152,56;playercolors:2:255,255,255,0,160,0,252,152,56;playercolors:3:0,0,0,200,76,12,252,188,176;playercolors:4:32,56,236,0,128,136,252,152,56;portalhues:1:0,0.125;portalhues:2:0.25,0.375;portalhues:3:0.5,0.625;portalhues:4:0.75,0.875;mariohats:1:1;mariohats:2:1;mariohats:3:1;mariohats:4:1;scale:3;shader1:none;shader2:none;volume:1;mouseowner:1;mappack:smb;gamefinished;"; }
else { res = "playercontrols:1:up-w,right-d,left-a,aimy-,run-lshift,reload-r,portal2-,portal1-,jump- ,aimx-,down-s,use-e;playercontrols:2:up-joy-1-hat-1-u,right-joy-1-hat-1-r,left-joy-1-hat-1-l,aimy-joy-1-axe-4-neg,run-joy-1-but-3,reload-joy-1-but-4,portal2-joy-1-but-6,portal1-joy-1-but-5,jump-joy-1-but-1,aimx-joy-1-axe-5-neg,down-joy-1-hat-1-d,use-joy-1-but-2;playercontrols:3:up-joy-2-hat-1-u,right-joy-2-hat-1-r,left-joy-2-hat-1-l,aimy-joy-2-axe-4-neg,run-joy-2-but-3,reload-joy-2-but-4,portal2-joy-2-but-6,portal1-joy-2-but-5,jump-joy-2-but-1,aimx-joy-2-axe-5-neg,down-joy-2-hat-1-d,use-joy-2-but-2;playercontrols:4:up-joy-3-hat-1-u,right-joy-3-hat-1-r,left-joy-3-hat-1-l,aimy-joy-3-axe-4-neg,run-joy-3-but-3,reload-joy-3-but-4,portal2-joy-3-but-6,portal1-joy-3-but-5,jump-joy-3-but-1,aimx-joy-3-axe-5-neg,down-joy-3-hat-1-d,use-joy-3-but-2;playercolors:1:224,32,0,136,112,0,252,152,56;playercolors:2:255,255,255,0,160,0,252,152,56;playercolors:3:0,0,0,200,76,12,252,188,176;playercolors:4:32,56,236,0,128,136,252,152,56;portalhues:1:0,0.125;portalhues:2:0.25,0.375;portalhues:3:0.5,0.625;portalhues:4:0.75,0.875;mariohats:1:1;mariohats:2:1;mariohats:3:1;mariohats:4:1;scale:3;shader1:none;shader2:none;volume:1;mouseowner:1;mappack:smb;"; }
if (checkBox2.Checked == true) { res = res + "reachedworlds:smb:1,"; }
else { res = res + "reachedworlds:smb:0,"; }
if (checkBox3.Checked == true) { res = res + "1,"; }
else { res = res + "0,"; }
if (checkBox4.Checked == true) { res = res + "1,"; }
else { res = res + "0,"; }
if (checkBox5.Checked == true) { res = res + "1,"; }
else { res = res + "0,"; }
if (checkBox6.Checked == true) { res = res + "1,"; }
else { res = res + "0,"; }
if (checkBox7.Checked == true) { res = res + "1,"; }
else { res = res + "0,"; }
if (checkBox8.Checked == true) { res = res + "1,"; }
else { res = res + "0,"; }
if (checkBox9.Checked == true) { res = res + "1;"; }
else { res = res + "0;"; }
}
DialogResult ans=MessageBox.Show("Warning! All settings in your game will be reset. Do you wish to continue?", "Warning", MessageBoxButtons.OKCancel, MessageBoxIcon.Warning);
if (ans == DialogResult.OK)
{
string roaming = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);
string path = roaming + "\\LOVE\\mari0\\options.txt";
using (StreamWriter sr = new StreamWriter(path))
{
sr.Write(res);
}
}

Assuming you're using winforms, based on one of your tags, here's something you can do:
public Form1()
{
InitializeComponent();
backgroundWorker1.WorkerReportsProgress = true;
}
private void WriteToFileMethod()
{
// your routine here
}
private void button_Click(object sender, EventArgs e)
{
progressBar.Maximum = 100;
progressBar.Step = 1;
progressBar.Value = 0;
backgroundWorker.RunWorkerAsync();
}
private void backgroundWorker_DoWork(object sender, DoWorkEventArgs e)
{
var backgroundWorker = sender as BackgroundWorker;
for (int i = 0; i < workSize; i++)
{
WriteToFileMethod();
backgroundWorker.ReportProgress((i * 100) / workSize);
}
}
private void backgroundWorker_ProgressChanged(object sender, ProgressChangedEventArgs e)
{
progressBar1.Value = e.ProgressPercentage;
}
Just replace workSize with the size of the work that you're trying to do. You can also adjust that code to report progress for number of lines that you're writing or number of files. It just depends on what exactly you're trying to report. You can even do memory size.
MSDN does a fantastic job of explaining all the details here. Besides looking at my example, I highly suggest reading up their overview. It'll provide a more detailed understanding of what needs to be done.
Lastly, progress bar might not always be a viable option. Something you can implement to let the user know that a background process is taking place and that the process hasn't crashed is a WaitCursor: Cursor.Current = Cursor.WaitCursor; Just something to think about...

WebClient Retry

Is it possible to retry a webclient request? On the odd occasion my application will throw an error when attempting to connect to an xml web service but if I retry, it works OK. I'd like it to retry 2 times before throwing an error unless someone has a better solution :)
private void ApplicationBarLogin_Click(object sender, EventArgs e)
{
settings.UsernameSetting = Username.Text;
if (RememberPassword.IsChecked == true)
{
settings.PasswordSetting = Password.Password;
settings.RememberPasswordSetting = true;
}
else
{
settings.RememberPasswordSetting = false;
}
WebClient internode = new WebClient();
internode.Credentials = new NetworkCredential(settings.UsernameSetting, settings.PasswordSetting);
internode.DownloadStringCompleted += new DownloadStringCompletedEventHandler(internode_DownloadStringCompleted);
internode.DownloadStringAsync(new Uri("https://customer-webtools-api.internode.on.net/api/v1.5/"));
}
public void internode_DownloadStringCompleted(object sender, DownloadStringCompletedEventArgs e)
{
if (e.Error != null)
{
MessageBox.Show(e.Error.Message);
}
else
{
MessageBox.Show("Authentication successfull.");
}
}

If you get a failure, you could re-issue the request. By keeping count of the number of times you re-issue the request you can determine when to show the user an error. Here is a quick modification to your code to demonstrate what I mean.
private void ApplicationBarLogin_Click(object sender, EventArgs e)
{
settings.UsernameSetting = Username.Text;
if (RememberPassword.IsChecked == true)
{
settings.PasswordSetting = Password.Password;
settings.RememberPasswordSetting = true;
}
else
{
settings.RememberPasswordSetting = false;
}
WebClient internode = new WebClient();
internode.Credentials = new NetworkCredential(settings.UsernameSetting, settings.PasswordSetting);
internode.DownloadStringCompleted += new DownloadStringCompletedEventHandler(internode_DownloadStringCompleted);
internode.DownloadStringAsync(new Uri("https://customer-webtools-api.internode.on.net/api/v1.5/"));
}
private int _retryCount = 0;
public void internode_DownloadStringCompleted(object sender, DownloadStringCompletedEventArgs e)
{
if (e.Error != null)
{
_retryCount++;
if (_retryCount < 3)
{
WebClient internode = (WebClient)sender;
internode.DownloadStringAsync(new Uri("https://customer-webtools-api.internode.on.net/api/v1.5/"));
}
else
{
_retryCount = 0;
MessageBox.Show(e.Error.Message);
}
}
else
{
_retryCount = 0;
MessageBox.Show("Authentication successfull.");
}
}

WebClient doesn't have any built in retry functionality.
You should look to build the retry logic yourself before, probably, informing the user of the problem.

Why MODI doesn't let me delete the processed file?

private void button4_Click(object sender, EventArgs e)
{
OCR.recognize("test1.tif");
System.IO.File.Delete("test1.tif"); // <--- Problem on this line
}
....
public static string recognize(string filepath, MODI.MiLANGUAGES language =
MODI.MiLANGUAGES.miLANG_RUSSIAN)
{
if (!File.Exists(filepath)) return "error 1: File does not exist";
MODI.Document doc = new MODI.Document();
doc.Create(filepath);
doc.OCR(language, true, true);
MODI.Image image = (MODI.Image)doc.Images[0];
string result="";
foreach (MODI.Word worditems in image.Layout.Words)
{
result += worditems.Text + ' ';
// Processed image is ALWAYS a question
if (worditems.Text[worditems.Text.Length - 1] == '?') break;
}
doc.Close();
return result;
}
Problem is: File is used by another process.
How do I delete it after OCR?

Someone posted a solution for this:
public void Dispose()
{
doc.Close(false);
System.Runtime.InteropServices.Marshal.FinalReleaseComObject(doc);
doc = null;
GC.Collect();
}
Maybe it works for your case, too.

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