Forms :: Running Console App From WinForm?
Feb 8, 2011
I'm trying to run an app (GacUtil) which is normally run through a console window, directly in my winforms app, but I keep getting the error:
"The system cannot find the file specified"
Here is the
Dim AppName = "gacutil"
Dim BaseOptions = " /i"
Dim oStartInfo As New ProcessStartInfo
Dim sFull As String
Dim sStartPath As String = Path.GetDirectoryName(TextBox1.Text)
[Code] .....
In this case, the DLL is in C:, and 'GacUtil' has been added to the Environment path variable.
I can put a break point on the next to the last last line, copy and past the output of the 'sfull' variable into a command prompt and it will run perfectly. (I've tried adding oStartInfo.UseShellExecute=False, removing the whole workingDirectory property line and just changing sFull so that it has the Startpath also, but I still get the error)
However, when I try it in the Winforms app I'm creating, I get the error.
Process.Start(oStartInfo)
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Jan 20, 2012
Public Class ConsoleHelper
<Runtime.InteropServices.DllImport("kernel32.dll")> _
Public Shared Function AllocConsole() As Boolean
End Function
[Code]....
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Feb 18, 2012
How can I launch a console application from my windows app and get output from it in a textbox?
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Jan 12, 2012
I have an application that insert or update Data to an SQL server every 2, 3 hours.I can't use the SQL server itself (creating a new job). Instead I defined a timer which executes the code every 3 hours.The application runs in the server - a winform application.And this is the problem, when I logoff the application is being closed.Is there a way to keep the application running?
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Aug 8, 2011
I have a winform with a main panel that is anchored top, left; dock: fill, and set to a specific size to contain another panel of content that we want to scroll through. The other panel along with a few other controls are on the main panel. Now, for some reason, after running the application the controls will be shifted down (never horizontally) some random amount. Now, the "random amount" may in fact be the last position of the scroll bar or something, but either way, it is unintended functionality. I have resorted to automatically resetting the locations of these controls on the main form in the constructor?
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Sep 29, 2010
i have a screen capture running just as a picturebox on a winform updating with a timer... i have it so it shows my race in a game.... now all is running gr8 on my pc... im now looking to make it viewable to someone else thats connected to my chat server i have made a picturebox on the client form and have the capture code in my server im hosting on my pc...
so my question is how and what is the best/quickest way to do so? maybe memorystream? if so how do i go about that? how do i send a image over memory stream? or is there a better way?
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Apr 7, 2011
I have some shared code I need to use both in a WinForm and a service. How can I test if my code is running in a service, so I can avoid problems with modal dialogs.
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Apr 13, 2009
Is there a simple way to have a code library automatically detect if it's being called from a console application or a windows application? I'd like my library not to report to the Windows Event log if it's being called from a console window, but instead report to the console window. If however, it's not being run from within a console window, it should report to the Windows Event Log.
I thought about requiring my the logging component to be passed the log target, but it would be neat if it could just automatically handle these two targets natively. I don't yet require something as extensive as log4net, indeed, if it becomes necessary to provide support to log to a database/file and other as yet unknown logging targets, then I may recommend such a solution. For now though, just having my component auto-detect the environment and log to the console or the event log according to the environment would be plenty.
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Nov 4, 2011
say I have a library, in which I added a few Console.WriteLine(..) statements tot during the implementation and see w going on when I use the library in a Console AppNow I want to use the same library in an ASP.NET app. Ideally I would be able to log on to the production webserver, and somehow start a command prompt and attach it to the website and see the messages in real time as they occur. How do I do that?
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Dec 17, 2010
I am new to Visual Basic and i started to write a console application. I it working fine by now, but I tried to execute a command like shutdown -s
I tried that by writing console.writeline("shutdown -s")
but all it dows it displays the text and does not shutdown the computer. How do I code that correctly???
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Feb 26, 2010
I have a console application and I have figured out how to type in the command window with Console.WriteLine() but i need to run a command (ex. net user) then wait for a response and type another command, for some reason I cant figure out how to type the command and automatically press enter without closing the window. I tried Console.WriteLine("net user") but all it does is write "net user" in the command window so I used My.Computer.Keyboard.SendKeys("{ENTER}", True) after Console.Writeline and it just wrote "net user" then exited the window. Is there any way to run a command through a console application? if so how would i do this?
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Dec 8, 2011
I'm having trouble opening and running DOS commands through VB Express.I'm trying to have VB open a command console and enter path to a batch file. So far I have not been able to get VB to open a console and enter any text.[URL} Here is the code I am using right now (without success)
Private Declare Function GetShortPathName Lib "kernel32" Alias "GetShortPathNameA" (ByVal longPath As String, ByVal shortPath As String, ByVal shortBufferSize As Int32) As Int32
Private Sub des_date_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles des_date.Click
[code]....
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Jun 5, 2011
I was thinking I could make a console application that would have a FileSystemWatcher - watching for a .BAT file being created in a folder - and when it sees that file it does a PROCESS.START on it.
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Jun 29, 2010
I have a console application that is ready to be used as a windows service, I have been looking around for a couple of hours and tried many of the tutorials out there but none of them worked with me.
The closest one was: [URL] but it didn't go into the process of doing it. I converted that code to VB.NET but then I don't know where to go from there. I have the Module1.vb which runs my console application all ready to be used.
show me a way to use my console application as a service, I tried using the InstallUtil feature but my app never showed under "services".
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Aug 1, 2011
I am new to Visual Basic and i started to write a console application. I it working fine by now, but I tried to execute a command like shutdown -s I tried that by writing
console.writeline("shutdown -s")
but all it dows it displays the text and does not shutdown the computer. How do I code that correctly???
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Apr 1, 2012
I was thinking I could make a console application that would have a FileSystemWatcher - watching for a .BAT file being created in a folder - and when it sees that file it does a PROCESS.START on it. But I'm seeing that a console app doesn't continue running.
Imports System.IO
Module awcWatcher
Sub Main()
Dim fsw As New FileSystemWatcher("D:ACS DesktopAWCeportingstaging")
fsw.NotifyFilter = NotifyFilters.FileName Or NotifyFilters.LastWrite
[Code] .....
How would I go about making this wait and then wait again and again and again?
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Aug 19, 2010
When running a console application, the dos window disappears without asking for a "press any key to continue", why? What setting in 2010 is not set correctly?
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Nov 19, 2010
Is there a way to hide the scroll bars on a VB.Net panel? We have written code to allow the user to scroll using a touch screen and do not need to see the scroll bar. I know it has to be there for the scrolling to work, but would like to hide it from view.
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Aug 3, 2011
I have a custom collection which is derived from a base class implementing IEnumerable and IEnumerator, this collection is populated with custom objects.I'm trying to set the datasource on a ComboBox on a WinForm to use the above collection - but when the code is run the ComboBox is always empty.
The code I was using was this:
Private Sub ViewSources_Load(sender As System.Object, e As System.EventArgs) Handles MyBase.Load
' declaration
Dim sourceCollection As SourceCollection
Dim source As Source
[code]....
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Mar 25, 2010
i have a windows form that has a web browser control.
i need to pass the value from the windows form to the html doc.
here is my problem.... can pass the value across to to a function in the html page but when i try to pass the same value to an image tag in the same document it does not read the value.
here is my code from the winform
If e.Url.Equals(wb1.Url) Then
wb1.Document.InvokeScript("fetchImage", New Object() {path})
End If
it passes through the variable 'path' to a function in the html doc.
heres the code for the html doc.... this part of the code works
function fetchImage(path) {
var now = new Date();
var zm_image = new Image();
[Code]....
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Sep 10, 2011
i'm working on a Java app wich uses the CMD.i want to control the app completely though a forms application and so i created a invisible CMD console that starts and runs,the only problem i keep getting. is that after startup and further commands send to the CMD window doesnt work. not commands are received.heres my code
the basic functions
vb.net
Private WithEvents MyProcess As Process
Private Delegate Sub AppendOutputTextDelegate(ByVal text As String)
Private Sub MyProcess_ErrorDataReceived(ByVal sender As Object, ByVal e As System.Diagnostics.DataReceivedEventArgs) Handles MyProcess.ErrorDataReceived
AppendOutputText(vbCrLf & "Error: " & e.Data)
End Sub
Private Sub MyProcess_OutputDataReceived(ByVal sender As Object, ByVal e As System.Diagnostics.DataReceivedEventArgs) Handles MyProcess.OutputDataReceived
AppendOutputText(vbCrLf & e.Data)
End Sub
Private Sub AppendOutputText(ByVal text As String)
If outputtextbox.InvokeRequired Then
Dim myDelegate As New AppendOutputTextDelegate(AddressOf AppendOutputText)
Me.Invoke(myDelegate, text)
Else
outputtextbox.AppendText(text)
End If
End Sub
the startup that works.
VB.net
MyProcess = New Process
With MyProcess.StartInfo[code].......
i sometimes replace the textboxx2.text with a custom command like "exit".so when i press the button after entering exit for example nothing happens.but when the app starts it does gets the first 2 commands. so why is it failing at the buttons.
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Apr 14, 2010
I created a VB.NET Windows Forms Application in Visual Studio 2008. When I run my program from the command-line, I get no output (only the next prompt).
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Debug.Write("Foo")
Debug.Flush()
[code]....
EDIT: Can a program have a form and a console?
EDIT2: However, the output appears on the next command-line prompt. Can a Winforms application tell the command-line to wait until it's finished instead of immediately returning?
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Aug 4, 2011
Could i Create a windows forms application that would have a console application form I'll use an example: say i was creating an application that would need some text written in the command line. i create the windows forms application because i want a GUI for the start page. then when i click a button, it should open a console program that is inside the windows forms application (not a seperate project)
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Apr 4, 2007
I understand that I cannot use the System.Console to output information from a Windows Forms application because the standard input, output, and error streams are not run through the console in winforms apps. But I can't seem to find any documentation on where the standard input, output, and error streams are being directed to! Basically, I have a winforms app that accepts command line arguments and can be run in batch mode, however, I just want to direct some feedback to the user based on whatever method they're accessing the program. The app is used to redirect a client-server application from one server to another. In some instances, the user does it by hand (with a mouse), and other times they're doing it in batch mode (using SAS, command shell, VBScript, etc...). In those instances, I'd prefer NOT to use MessageBoxes because it will kill any processing they're doing.
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Apr 15, 2009
I've got an old dynamic link library that I'm using which was created primarily to be used in a console environment. As such it generally indicates what it's doing through Console.Write(). I've recently created a windows form which is using some of the functions from this library. I'd like to be able to grab the console output and place it in a textbox on my windows form so that the user can have some indication of the progress (right now it just says "Working").
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Jan 17, 2010
I am working in VB. I have a fairly long and detailed explanation that I'll avoid posting but what I'm looking to find is quite simple. I'm looking for information how the command line executable LAME.EXE (the Mp3 encoder) returns information to the host program/form.
I am a VB novice and a novice to programming in general and am looking to learn more about as much as I can on the whole but basically I have a Windows form that gathers all the necessary information as a front-end:
The input .wav file path
The output .mp3 file destination
The encode settings (bitrate, frequency, etc)This information is pooled in to a string like this: lame.exe -v -b 112 input.wav output.mp3 or any variant on the settings selected in the GUI which is then in turn used to execute LAME.EXE with the set of parameters in a command line console...That's all well and good and it is quite functional but what I'm looking to do is to 'hide' the console in itself and have the encoder feed back its progress, say as a percentage inside the GUI.
The problem is that it doesn't appear that LAME in itself has this kind of functionality explicitly built in. I know it's possible however, as every single front end in the world has this functionality.I have tried a few ways of doing this with avoiding the issue of not being able to find the functionality within the codec. Perhaps I'm looking in the wrong place entirely or I'm not thinking correctly 'outside the box' as it were.
what I'm looking for is to use a command like this within the script itself: lame(v,b,112,"C:input.wav","c:output.mp3") or even pass the parameters obtained from the GUI a string formatted dynamically on the fly itself.I expect of course that this kind of functionality won't be available anywhere at all, what I'm really looking for as a workaround that reports the actions/progress/console output of the executable back in to the VB program somehow.
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Jun 16, 2011
I have a console application that I am running through a process in a windows form application. I am redirecting the input and output to the form application. In the console app, I am using the following code to check for the escape key which will close the program.
[Code]...
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Jun 14, 2011
Private Sub StreamInput(ByVal Text As String) m_Process.StandardInput.WriteLine(Text)
m_Process.StandardInput.Flush()
End Sub
Private Function ConvertFromOem(ByVal Text As String) As String
Return _
[Code]...
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Apr 18, 2010
I'm an absolute newb to vb (less than a week) and I'm trying to convert a console app to a windows form.In the console app, I have this code
Public Sub rconPacketReceive(ByVal fromserver As Boolean, ByVal isresponse As Boolean, ByVal seq As Integer, ByVal words() As String) Handles rconObj.packetIncoming
Dim w As String = Nothing
For Each word In words
[code]....
What I want is to have this Console.WriteLine displayed in a text box on the form but don't have any idea on how to do it.
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Feb 6, 2010
I came accross the code below in a book. I prefer displaying my data in Winforms instead of the Console which the boook uses but I have little understanding of console codes and how to convert them to Winforms.[code]....
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