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i see said the blind man to his deff dog.....i shall make it work...thanks leppie.. !! i think our time zones / sleep parterns are in perfect sync wouldnt you say ? lol
Jesse M
The Code Project Is Your Friend...
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jtmtv18 wrote:
think our time zones / sleep parterns are in perfect sync wouldnt you say ? lol
No, I just woke up, you are going to sleep.
I rated this article 2 by mistake. It deserves more. I wanted to get to the second page... - vjedlicka 3:33 25 Nov '02
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damn leppie that hole thing really really works great... thanks so much.. i would of NEVER in a million years been able to figure that out !! thanks Alot. it works like a charm ill barely have to change anything in my program to make it work...thanks a hole hell of alot...Can you point me to some articles and such that taught you these things ?
Jesse M
The Code Project Is Your Friend...
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jtmtv18 wrote:
Can you point me to some articles and such that taught you these things ?
Trial and Error (without Source Control), all my C# and programming knowledge is self taught, hence bad coding conventions I use.
jtmtv18 wrote:
it works like a charm ill barely have to change anything in my program to make it work...thanks a hole hell of alot
You mean that code I pasted? I just wrote that in the textbox, wasnt even sure if it would compile, but I'm glad it did
I rated this article 2 by mistake. It deserves more. I wanted to get to the second page... - vjedlicka 3:33 25 Nov '02
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i had to change a little to get it to work...but i could clearly see how it worked you know? sometimes for me the best way to learn is to "follow" the code i call it lol....when i first started programing..it was greek...now odly enough i can follow it...and know what its going to do in a perticular place.....bottle necks........anyways thanks leppie.
jesse m
The Code Project Is Your Friend...
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Hi all,
since days I'm looking for a solution to get the information stored in the <xsd:appinfo> or <xsd:documentation> tag from a known XmlElement (for example got by a XPath selection)... Could anybody give me a hint how I can access to this values in C#?
Here the C# sample code, a small XML sample and the related XML Schema:
XmlTextReader tr = new XmlTextReader(sXMLFile);
vr = new XmlValidatingReader(tr);
vr.ValidationType = ValidationType.Schema;
XmlTextReader sr = new XmlTextReader(sSchemaFile);
XmlSchema schema = XmlSchema.Read(sr, new ValidationEventHandler(ValidationHandler));
sr.Close();
vr.Schemas.Add(schema);
vr.ValidationEventHandler += new ValidationEventHandle(ValidationHandler);
doc = new XmlDocument();
doc.Load(vr);
vr.Close();
string selectExpr = "//test:TestData/test:Collection/test:Element";
XmlNamespaceManager nsmgr = new XmlNamespaceManager(doc.NameTable);
nsmgr.AddNamespace("test", "http://xsd.mytest.com/test.xsd");
XmlNode root = doc.DocumentElement;
XmlNode myElementNode = root.SelectSingleNode(selectExpr, nsmgr);
------------------------------
<?xml version="1.0" encoding="UTF-8"?>
<test:TestData xmlns:test="http://xsd.mytest.com/test.xsd" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<test:Collection>
<test:Element Id="1">11.00</test:Element>
</test:Collection>
</test:TestData>
------------------------------
<?xml version="1.0" encoding="utf-8" ?>
<xsd:schema targetNamespace="http://xsd.mytest.com/test.xsd" xmlns:test="http://xsd.mytest.com/test.xsd" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata" elementFormDefault="qualified" attributeFormDefault="unqualified" version="1.0">
<xsd:element name="TestData" msdata:IsDataSet="true">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="Collection">
<xsd:complexType>
<xsd:annotation>
<xsd:documentation>This is the documentation of the Collection</xsd:documentation>
</xsd:annotation>
<xsd:sequence>
<xsd:element name="Element" default="1.00">
<xsd:complexType>
<xsd:annotation>
<xsd:documentation>This is the documentation of the Element</xsd:documentation>
<xsd:appinfo>
<formula>5.000000 + 3.000000</formula>
</xsd:appinfo>
</xsd:annotation>
<xsd:simpleContent>
<xsd:extension base="test:ElementType">
<xsd:attribute name="Id" type="xsd:int" default="1" />
</xsd:extension>
</xsd:simpleContent>
</xsd:complexType>
</xsd:element>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<xsd:simpleType name="ElementType">
<xsd:restriction base="xsd:double">
<xsd:minInclusive value="0.100000" />
<xsd:maxInclusive value="10.000000" />
<xsd:pattern value="\d{1,2}.\d{1,6}" />
</xsd:restriction>
</xsd:simpleType>
</xsd:schema>
------------------------------
The validation works fine and I really get the error notification, that the value of "Element" is out of range. I also get a valid myElementNode object back. But how can I read the Documentation/AppInfo out of this myElementNode? Is it impossible or am I just too stupid? Do I need to write my own parser for that?
Thanks for your help!
Mirco John
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I'd like to make a Winform shows a printer list available using comboBox..
However.. I don't know How to get a Printer List....
Is there anyone?? Help me..
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If you don't want to bother with C-based printer enumeration callbacks (which happen to work differently depending on the operating system), I would suggest this fast hack :
- read this registry key : HKEY_LOCAL_MACHINE \ System \ CurrentControlSet \ Control \ Print \ Printers
- the default printer is listed in : HKEY_CURRENT_USER \ Software \ Microsoft \ WindowsNT \ CurrentVersion \ Windows \ Device = "..." (on NT systems). And it's located in the [Device] section of the win.ini file (on 9X systems).
.NET provides API to access the registry and profile strings :
- Microsoft.Win32.Registry
- also check out Cp articles
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Thanks..
I made it..
I appreciate your kindness...
However I found another way..
System.Drawing.Printing.PrinterSettings.InstalledPrinters
It shows currently installed printers.. Not using Registry..
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bania wrote:
System.Drawing.Printing.PrinterSettings.InstalledPrinters
Ooo, nice to know
I rated this article 2 by mistake. It deserves more. I wanted to get to the second page... - vjedlicka 3:33 25 Nov '02
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Hello,
I have few questions,
1. How to know whether scrollbars appeared in a list control at run time or not.
2. How to restrict user changing listview columns widths.
3. How to know whether a user has changed list view columns or not. How to keep track of changed list view columns.
4. How to know the names of all tcp and serial ports in a computer.
Chito
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chito wrote:
1. How to know whether scrollbars appeared in a list control at run time or not.
You could figure out on your own how many items can appear in your list before the scroll bars apear and then in your App test if the amount of items has gone past the number you found. Of course this would only work if the listbox stayed the same size.
"We will thrive in the new environment, leaping across space and time, everywhere and nowhere, like air or radiation, redundant, self-replicating, and always evolving." -unspecified individual
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1. .VScroll returns true of false
2. and 3. : also you are probably not going to like it, the only way I can think of is to override the WndProc method and provide a handler for the WM_NOTIFY message (HDN_TRACK notification). Lookup MSDN for more info about this WIN32 header control notification.
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How would I go about encoding from a memory buffer to an mp3 file using the lame dll? Just want to feed the dll pcm data on the fly.
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When I create a class library in C# it creates a DLL. The DLL it creates also references another DLL.
Is it possible to put the DLL I'm referencing INSIDE the DLL I created so I do not have to redistribute the referenced DLL ?
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Only if you have the sources for the extra DLL or if said DLL is really a .NET Module (An Assembly without an Assembly Manifest) which isn't the case because you've been able to reference it. Anyway, what you could do is ILDASM the referenced DLL and ILASM the source file you get into a .NET Module, then use AL.exe to link the two.
any idiot
can write haiku you just stop
at seventeenth syl
-ThinkGeek Fortunes
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There is various ways to do this. LIke said if you have the source , you can compile to a module and add that to an assembly, OR you can use the assemblyt linker (al.exe) and put everthing together.
I rated this article 2 by mistake. It deserves more. I wanted to get to the second page... - vjedlicka 3:33 25 Nov '02
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Leppie...are you okay? That's what I just said. (I thought)
any idiot
can write haiku you just stop
at seventeenth syl
-ThinkGeek Fortunes
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David Stone wrote:
That's what I just said. (I thought)
You must stop editing your messages
(I really cant remember that I saw it, my mistake)
I rated this article 2 by mistake. It deserves more. I wanted to get to the second page... - vjedlicka 3:33 25 Nov '02
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leppie wrote:
You must stop editing your messages
I never edit messages...I always get them right the first time.
any idiot
can write haiku you just stop
at seventeenth syl
-ThinkGeek Fortunes
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David Stone wrote:
I always get them right the first time
Stop fooling yourself No-one is perfect, except maybe 7of9
I rated this article 2 by mistake. It deserves more. I wanted to get to the second page... - vjedlicka 3:33 25 Nov '02
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Ok, I am back...
I have been working on a little tool for work that reads the reg, and then it will need to loop over an array and do some work. Well I can pull the string in and create the array:
RegistryKey regKey;
regKey = Registry.LocalMachine.CreateSubKey(@"Software\MyTestRegKey");
string[] valNames = regKey.GetValueNames();
string tmp = valNames.GetLength(0); //Cannot implicitly convert type 'int' to 'string' *ERROR*
// int tmp = regKey.ValueCount; // This blows up too...
return tmp;
It's kind of hard to loop from 0 to loop count when I can't get to the count. I keep getting that error when I try to compile.
I want to write a simple for loop that will pull the values and display them. I can access them like this:
string val0 = (string)regKey.GetValue(valnames[0]);
and then can write out val0 later on with no problems.
Thanks in advance,
Bill K.
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Try this:
string[] valNames = regKey.GetValueNames();<br />
foreach(string tmp in valNames)<br />
{<br />
}
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codeweenie wrote:
string tmp = valNames.GetLength(0); //Cannot implicitly convert type 'int' to 'string' *ERROR*
You're trying to assign an Int32 value to a String. The GetLength method returns "The number of elements in the specified dimension." As a side note, you are only ever going to have one dimension, so you could just use the Length property.
So what you could do is:
RegistryKey regKey = Registry.LocalMachine.CreateSubKey(@"Software\MyTestRegKey");
foreach(string name in regKey.GetValueNames())
{
Debug.Print(regKey.GetValue(name));
}
[edit]That skips the whole issue of getting the length or working with iterating through the list. It's actually a much better way of doing it unless you need the index of the value in the array later on.[/edit]
any idiot
can write haiku you just stop
at seventeenth syl
-ThinkGeek Fortunes
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Perhaps I'm doing something wrong, but I'm using the TcpClient class and I had a button that uses it to connect to a POP3 server. Now once I'm connected the connect button will disconnect me by calling the TcpClient.Close method, the thing is the connection doesn't close. I break when I press connect again (connecting after the first disconnect) and now things are weird. I check the TcpClient.Active property to make sure I don't connect again if were already connected (we shouldn't be connected because I called close, but we are) and if I hover my mouse on the if statement it shows the property as false (not connected), but if I look at the same property in the watch window it shows as true. I guess what I'm wondering is why isn't the connection closing when I call the close method.
What's really got me angry is that if I call TcpClient.Connect again complains that were already connected, but if I try to use the connection to obtain the network stream (which I closed before) it complains that I can't call that method on a non-connected socket.
A big thanks in advance for any help, I've been trying to figure this out for hours and am getting pretty frustrated.
- monrobot13
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