How To Keep Download Extension
Jan 30, 2011
I have a program which downloads a file. The link to that file is [URL], which ends with .zip. However, this program is probably also gonna download .jar files, and those may not get .zip of course.
Code I have now:
For Each File In files
'For each file, it will now read the 2nd line, download the file, then read the 4th line, and if the 4th is lower, download the third line.
Dim reader As New System.IO.StreamReader(File)
Dim line1, line2, line3, line4 As String
[Code] ......
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Dec 3, 2009
Why would I use an extension method instead of just creating non-extension sub or function?
For ex, I could have an extension function called IsNullOrEmptyOrAllSpaces on String, which does a check as its name implies. Or I can write a stand alone function that does the same thing. Other than having the extension show up in Intellisense, is there any advantage? Is a call to the extension quicker/more efficient than a call to a regular function?
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Mar 16, 2012
I saw this post and I want to know if this is possible in VB. So like extension method, do extension properties exists in VB.Net? Here I've read they do, but cannot find any examples.
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Dec 9, 2011
If i have an extension ... say...
vb
<System.Runtime.CompilerServices.Extension()> _
Public Sub Invert(ByVal b As Bitmap)
is there any way of hiding this from inteli-sense if it is not used as an extension?so that pressing ctl+space only triggers it if you go "bitmap.Inve.." rather than prompting on "Inve..."?
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Nov 18, 2011
I usually download file using following code:My.Computer.Network.DownloadFile("url of the file","filepath to save the file")But recently I encountered a site that only allow file download if you click it from its site and not via direct downloading from vb.net code.How to download file from http server that requires a referral before allowing the download?
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Jun 10, 2009
how can I calculate the download speed if I use a webclient to download files async
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May 31, 2009
How do I make it so that when the user clicks on a download link, the download dialog is surpressed?
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Jun 25, 2009
I am using VB 08 running an openfiledialogue wanting to get the result of the GDS file (*.gds) to be the default extension at the drop down menu instead of All file when the openfiledialogue box opens.
I coded it with:
OpenFileDialogue.Filter = "GDS File(*.gds)|*.gds|All files|*.*"
but the results i get in the open file dialogue box remains as all files being in the drop down menu as the default file extension. How to i set it to ".gds" format?
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Jul 14, 2009
was wondering about making a download program cant seem to find much on ie a download manager or something like flashget could someone point me in the right direction
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Oct 23, 2009
Imports System.Net
Public Class DownloadStuff
Dim downloader As New WebClient()
[code].....
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Feb 4, 2010
I want to download thousands of files from the web and save them locally. What is the most efficient way? It is important the failures timeout within 10 seconds.
Is there a better way to stream one stream into another? Maybe a smaller buffer, like 1024 bytes at a time, is more efficient for large files?
Dim w_req As System.Net.HttpWebRequest = CType(System.Net.HttpWebRequest.Create("http://blah.blah.blah/blah.html"), System.Net.HttpWebRequest)
[Code]....
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Sep 12, 2009
I'm courtneyI'm working on a Web Browser (Yeah I know, so 2000 years ago)I'm attempting to launch my OWN download manager (refered to as downManager in my code) in the WebBrowser.FileDownload event, via determination of the WebBrowser.DocumentType.My current code is as follows: CODE
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Jun 15, 2010
I have created a application in vb.net. I am using Web Browser control in it.With this Web Browser control I open an URL and tries to Download something, it will populates an dialog for "File Download" to Open/Save/Cancel for the file..I am downloading the .ZIP file, and it will not show the checkbox for Automatically Do.Is there any way to perform the Download operation at the backend, means it will not ask me for such options.
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Apr 13, 2011
What is the meaning of asynchronous file download and synchronous file download ?
I came to them while using system.net.webclient class
I know a basic meaning of tcp/ip and http .
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Nov 10, 2011
i try to download multiple file + progressbar.. but its seems nothing happened and the file is not download.. my program just function like.. when the file was error.. it will download the latest file from webhost..
[code]...
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Feb 5, 2012
I'm a newbie and trying to make a VB downloader using Public Shared client As WebClient = New WebClient client.DownloadFileAsync(New Uri(FielUrla), saveDialog2.FileName) I'm not sure is this the right approach, but I've found info about this method. Now I want to make "Pause download" and "Resume download" buttons but can't find information how to do that.
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Jul 22, 2011
Using the below code I want to set the '*' to any file. This folder (C:ewtemp) will only have one TIF file in it at a time so I want it to use that file as TextBox1, but that filename is dynamic, but always with extension .TIF.
TextBox1 = Convert.ToBase64String(StreamFile("C:
ewtemp" * ".TIF"))
Know how to do that?
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Jul 24, 2011
I am having problems with CodeDomProvider. When I compile a code VB, there is not an error. But, if this code has extensions (ex: string().contains(), char().count, char().AsEnumerable, etc.) at the moment that I call these functions, it's returns an exception equal for all these extensions:
'Public Member 'Count' at type 'Char()' not found'
'Public Member 'Contains' at type 'String()' not found'
Dim refs() As String =
[CODE]...
These are the Assembly that is referenced to the compile, and this is also configurated for run in Framework 4.0.
Dim Param As New Dictionary(Of String, String)
Param.Add("CompilerVersion", "v4.0")
Dim oCodeProvider = CodeDomProvider.CreateProvider("VisualBasic", Param)
This code is inside a string:
Imports System
Imports System.Xml
Imports System.Data
[CODE]...
After I use it for compile my Assembly. The code compiles without errors, but when I call the function 'ProcessarLink', it returns me the exception in 'Contains', or when I call the function 'Personalizar' the errors appears with the 'Count'. This happens with the others extensions too, like AsEnumerable, etc.
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Mar 28, 2012
I'm trying to use PGK.Extensions in a T4 template in VS2008 for VB.NET and I get:
RemoveAllSpecialCharacters is not a member of string..
My T4 headers:
<#@ template language="VB" hostspecific="false" debug="true" inherits="Microsoft.VisualStudio.TextTemplating.VSHost.ModelingTextTransformation" #>
<#@ output extension="vb" #>
<#@ assembly name="PGK.Extensions.dll" #> // the dll is found
<#@ import namespace="StringExtensions" #> //Try with and without namespace
[Code]...
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Mar 18, 2009
I am building an asp.net website. I want to show image on the page, but while I know the image name, I don't know the extension.So, I want to open the images directory and get the image by its name whatever its extension.
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Feb 8, 2012
I have a need to create a Tcl extension that calls a managed .NET DLL/Class Library. Currently, the structure of my application is Tcl > DLL Wrapper (C++ CLR) > .NET Class Library (VB.NET), where ">" represents a function call.
My VB.NET DLL just takes a value and returns it back, keeping it simple for now. In the end, this will do some more advanced stuff that makes use of some .NET functionality.
Public Class TestClass
Public Function TestFunction(ByVal param As Integer) As Integer
Return param
End Function
End Class
My Tcl Extension (C++ CLR) creates an object of the type above
int TestCmd(ClientData data, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])
{
// Check the number of arguments
[code].....
If my VB.NET DLL is in the same directory as my extension DLL, the extension crashes when it instantiates a TestClass object. I've noticed if the VB.NET DLL is relocated to C:Tclin, the extension will find it, and TestCmd can be called just fine. The problem is that this will eventually need to be deployed across a number of PCs, and it's preferred not to mingle my application's files with another application's.
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Apr 26, 2010
I have an extension method written in visual basic as follows:
Imports System.Runtime.CompilerServices
Namespace Parsing
...
Public Module CSVParse
[code]....
Unfortunately the compiler is giving a 'Cannot resolve symbol' error for 'DoVB()' and highlighting it red.Yet it will recognise the call in a static fashion.
CSVParse.DoVB(test);
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Sep 8, 2011
I want more customization then the original VS 2010 set up files. So i decided to code everything. For example, i put all my files in my debug folder into my installer.vb's My.Resources. So i usedSystem.IO.File.WriteAllText ---> to install all my files and the .exe one.Everything was installed it except my Ethup Bolt New Build.exe. It shows up in the folder after installation, but when i click on it, it didnt run at all. (It showed up in the task manger, under process, but it disappeared after like 5secs.) So it didnt
run at all. My question is how do i install my .exe properly. ( I DONT WANT TO USE THE ORIGINAL INSTALLER WITH Visual Studio)
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Oct 31, 2009
How would i get the size of the file and the Extension with a .(Dot) if it has little tiny bytes or etc and put it into a listview in columns.
EX: MyTextFile(Under File Name) | 23.12 KB (Under Size)
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Apr 10, 2010
I know how to add extension method Like (Date.Now.MyExtensionFunction()),But I can NOT find how to add such methods and functions in class (not in module) with vb.net
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Jan 8, 2011
I'm stuck im making a app that can hold tasks but i want to make my own extension
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Aug 13, 2009
I wrote an extension in VB.NET for StringBuilder to add a AppendFormattedLine method (so I would not have to use one of the arguments for a new line character):
[Code]...
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Sep 8, 2009
I want to save my work into .java extension only,
[code]...
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Jul 14, 2009
I'm making a program where I'm separating the file path and the file extension. The path will be held in one list box and the extension in the other.Right now all I'm trying to to is get the extension since once i have that, i can just take away the extension from the whole string (once i know what it is) and then add that to the other listbox.
VB.NET
With OpenFileDialog1
.FileName = vbNullString
.Multiselect = True
[code]...
The place in that code where I'm trying the get only the extensions is:
"Name_and_Ext.ListBox2.Items.Add(IO.Path.GetExtension(OpenFileDialog1.ToString))"
That code only works if you have one item selected and since my openfiledialog has multiselect enabled, it needs to be able to do however many are selected.
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Jan 7, 2010
I would like to know your opinion on extension methods. Sure, it is a nice feature and makes you feel powerful. It's great to see your own method pop up when typing in a object. But it doesn't really add something new... You can get the job done with normal methods as well. I think extension methods do not belong in object oriented programming. It makes your code easier to read but harder to understand for someone else.
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