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If you look at the references listed in your project explorer and find the Microsoft.CSharp.dll reference, simply right click and delete or remove it and the reference should be gone. If you have any code inside your app trying to use anything from the CSharp.dll you must remove it and try another method as was suggested. Or you can change your app back to .Net 4.0 and everything should be okay again. Unless you are making an app that is designed only to work with XP, there really is no reason to change back to 3.5 or another previous version of the .Net Framework. XP users can simply download the .Net framework 4.0 for free to use your app.
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XP users on SP3 or higher can do. I have an XP machine at home and it won't install .Net 4 (or even 3.5, I think) and I don't feel like downloading however many megabytes of updates to move it onto XP SP3, either.
Is 4.0 included as standard with Windows 7? It certainly wouldn't have been with Vista, and making people download a new version of the Framework to use your app is likely to turn a few people off.
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.Net 4.0 is native to Windows 7, and it's available for download. I usually have my setup.exe determine if .Net 4.0 is installed on the operating system in which my app is being installed too first. If not it will automatically install it for them. Most setup.exe applications that I know of incorporate this now.
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It may be 'available for download' but it's a damn big download (200MB? something like that) and unless someone has a fast connection or really wants your software they'll give up when they see that.
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Typically Bob, this is already downloaded and stored on the CD or DVD in a folder with the rest of the setup application to be used if necessary. During the setup processes it is installed if required. If the user decides to download the application from the internet they should be aware of the possibility other prerequisite software may need to be installed as well and downloaded.
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Now that you have thoroughly pissed of the ide it has arbitrarily removed c#, you must now continue to code using VB. If you continue to irritate the ide you will be retrograded to VB6.
Never underestimate the power of human stupidity
RAH
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Thankfully, I've never thrown out my VB6 floppy disks, so it may just be possible to recover from my terrible error.
Will Rogers never met me.
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The assemblies are found in C:\Program Files\Microsoft SQL Server\100\SDK\Assemblies. When you add a reference, go to the "Browse" tab, and select them from that place.
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which license you are having for your VS2010 ?All libraries are not supplies with express edition.You need to get an ultimate or professional license for all the libraries and features.
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VS2010 Professional is what it says, but it's the Academic license. Surely Microsoft isn't cheating students! 
Will Rogers never met me.
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I don't even know where it came from or what it's good for. I dereference it.
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Greeting Gurus,
I have been battling for a while with getting some of the properties of running processes and was hoping for a little assistance.
If I build
Process[] processlist = Process.GetProcesses();
foreach(Process p in processlist)
{
Console.WriteLine("Process: {0} ID: {1}", p.ProcessName, p.Id);
}
Console.ReadLine();
then I get a list of all processes, but if I try
Process[] processlist = Process.GetProcesses();
foreach(Process p in processlist)
{
Console.WriteLine("P: {0} ID: {1} FN: {2} ST: {3}", p.ProcessName, p.Id, p.MainModule.FileName, p.StartTime);
}
Console.ReadLine();I get a Win32Exception unhandled error when the enumeration hits the "System" process PID 4. The error is:-
System.ComponentModel.Win32Exception was unhandled
Message="Unable to enumerate the process modules."
Source="System"
ErrorCode=-2147467259
NativeErrorCode=-2147467259
but I can't find any references as to what to do about it.
I would like to keep it in the list of processes if possible, i.e. not just skip it in order to continue the enumeration.
Could someone advise please?
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You need to filter out the "System" and "Idle" processes, as you won't have permission to access their modulenames. Try something like this:-
Process[] processlist = Process.GetProcesses();
foreach (Process p in processlist)
{
if (p.ProcessName == "System" || p.ProcessName == "Idle")
{
textBox1.Text += string.Format("P: {0} ID: {1}\n", p.ProcessName, p.Id);
}
else
{
textBox1.Text += string.Format("P: {0} ID: {1} FN: {2} ST: {3}\n", p.ProcessName, p.Id, p.MainModule.FileName, p.StartTime);
}
}
When I was a coder, we worked on algorithms. Today, we memorize APIs for countless libraries — those libraries have the algorithms - Eric Allman
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Hi Wayne,
Thanks for that. Interesting though that if I use WMI as a "proxy" running...
ManagementObjectSearcher searcher = new ManagementObjectSearcher("root\\CIMV2", "SELECT * FROM Win32_Process");
foreach (ManagementObject queryObj in searcher.Get())
{
string[] argList = new string[] { string.Empty, string.Empty };
int returnVal = Convert.ToInt32(queryObj.InvokeMethod("GetOwner", argList));
if (returnVal == 0)
{
string owner = argList[1] + "\\" + argList[0];
Console.WriteLine("Name: {0} Owner: {1}", queryObj["Name"], owner);
}
}
It tells me "Name: System Owner: NT AUTHORITY\SYSTEM" and then goes on to list a whole bunch of other NT AUTHORITY\SYSTEM processes. Interesting too that "Idle" doesn't show up in the list.
What are your thoughts?
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I would guess that accessing the Process.MainModule property for that process is throwing the exception, something that should be checked for in your code (accessing that property can throw three possible exceptions).
Mark Salsbery
![Java | [Coffee]](https://codeproject.global.ssl.fastly.net/script/Forums/Images/coffee.gif)
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Hello everyone,
Do you know how to simulate in C#, a VB6 Activex EXE Standalone application which exposes a com visible object (IDispatch wrapper class) already instanced in the 'activex exe like' c# application? The clients accessing it via creatobject / getobject will always get a reference on this object.
This does not seem to be so straight forward as I experimented in vb.net. Is it related to .net interop ?
If I understand well, the best way will be to expose a .NET Remoting object (application life time) then creating a COM interop class library which will be used like a tunnel between the two communication solutions. Is it the only solution ?
Any inputs you could share for this are really welcome ?
Thank you so much in advance.
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Meanwhile I found a hack, not the real solution I want.
I created my own TabControl, and replaced the TabPages property, such that my own TabPages property will be linked to my editor:
public class MyTabControl : TabControl
{
public MyTabControl() : base() { }
[Editor(typeof(MyTabPageCollectionEditor), typeof(System.Drawing.Design.UITypeEditor))]
public new TabPageCollection TabPages
{
get { return base.TabPages; }
}
}
But that means that I'd have to replace all TabControls with MyTabControl...
I'd really prefer a solution like the one described at StackOverflow.
Perhaps you can provide some further ideas.
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Hi all
When creating COM dll from C# i get TLB file.
All enums in the file get a prefix of the enum name
is therea way to remove the prefix?
public enum OPTIONS
{
Zoom = -1,
FitWindow,
FitWidth,
FitHeight,
Actual
}
OPTIONS
{
OPTIONS_Zoom = -1,
OPTIONS_FitWindow = 0,
OPTIONS_FitWidth = 1,
OPTIONS_FitHeight = 2,
OPTIONS_Actual = 3
};
Have a nice Day
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There is, but you're not going to be keen on how much work it is. Anyway, if you want to do this you need to follow the steps in this[^] blog.
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Thanks - i red this before
I was hoping for an easier way... 
Have a nice Day
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liqnit wrote: I was hoping for an easier way...
Nope. Sorry.
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I can confirm that that procedure is as easy as it gets.
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Im a java developer, new in C#. Im developing a program using C# that saves records of consultations made at a cancer specialised clinic. The user selects a vaccine name, patient, etc. name from records retrived from database and has to get respective ids and use them to update the consultation table in the same database as foreign keys. This is the code that I have, please let me know what I am doing wrong
private void btnSubmit_Click(object sender, EventArgs e)
{
DataSet dataSet = new DataSet();
DataSet vdataSet = new DataSet();
DataSet udataSet = new DataSet();
OleDbCommand cmd = conn.CreateCommand();
OleDbCommand cmdd = conn.CreateCommand();
OleDbCommand com = conn.CreateCommand();
OleDbCommand dbc = conn.CreateCommand();
TextBox patID = new TextBox();
TextBox vacID = new TextBox();
TextBox useID = new TextBox();
patID.Visible = false;
vacID.Visible = false;
useID.Visible = false;
cmd.CommandText = "SELECT patientID FROM patient WHERE fName = '" + cbPatient.GetItemText(cbPatient.SelectedItem) + "'";
cmdd.CommandText = "SELECT vaccineID FROM vaccine WHERE vName = '" + listVaccine.GetItemText(listVaccine.SelectedItem) + "'";
com.CommandText = "SELECT userID FROM userDetails WHERE username = '" + cbUserName.GetItemText(cbUserName.SelectedItem) + "'";
dbc.CommandText = "INSERT INTO Consultation (date, patientID, vaccineID, userID, diagnosis) VALUES ('" + DateTime.Now.ToString() + "', " + patID.Text + ", " + vacID.Text + ", " + useID.Text + ", '" + cbDiagnosis.SelectedItem + "')";
conn.Open();
OleDbDataAdapter dataAdapter = new OleDbDataAdapter(cmd);
OleDbDataAdapter vdataAdapter = new OleDbDataAdapter(cmdd);
OleDbDataAdapter udataAdapter = new OleDbDataAdapter(com);
OleDbDataAdapter da = new OleDbDataAdapter(dbc);
dataAdapter.Fill(dataSet);
vdataAdapter.Fill(vdataSet);
udataAdapter.Fill(udataSet);
patID.Text = dataSet.Tables[0].Rows[0].ItemArray[0].ToString();
vacID.Text = vdataSet.Tables[0].Rows[0].ItemArray[0].ToString();
useID.Text = udataSet.Tables[0].Rows[0].ItemArray[0].ToString();
MessageBox.Show(patID.Text);
MessageBox.Show(vacID.Text);
MessageBox.Show(useID.Text);
dbc.ExecuteNonQuery();
conn.Close();
MessageBox.Show("Entry added!");
}
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