Check Weather CD Drive Has Disc?
Apr 20, 2010
I need to check if the CD drive has a disc inserted, no matter the disc is blank or full.
I tried to get the IO.DriveInfo.IsReady, but a blank disc also return False. Then I tried to get the TotalSize, if there is no disc, it returns an exception tells drive is not ready, and if the disc is blank, it returns function error. How can I determine which error is responsible to the one which no disc is inserted? I should not check the error msg because it will change on different computer of different language.
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Jun 16, 2009
Is it possible to check if a Logical device gathered through a WMI search request is a CD/DVD Drive? Right now, I can get the path of every Win32_LogicalDisk through WMI, but E: (for me) is my DVD drive and unless there is a disc, my program fails because it tries to count the number of folders/files on the disc.
Ultimately, I'd like to be able to tell if it is a CD/DVD drive then check to see if there is a disc there before I do anything else to it. Can it be done using WMI?
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Oct 19, 2011
How can we check if a Drive exists in the system
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Sep 17, 2010
Can I check how many drive partitions there are in the system and which dirve letter is CD/DVD or hard disk partition.
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Oct 18, 2009
I use the following code to layout network drives on a system. I want to add a third column for persistence but in vb.net I do not know how to check if a drive has a persistent map or not.
For Each drive_info As DriveInfo In DriveInfo.GetDrives()
If drive_info.DriveType().ToString = "Network" Then
With maps.Items.Add(drive_info.Name)
[code]......
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Nov 29, 2011
I want to execute some code when a network drive is available. Just like our application even have NetworkAvailabilityChanged. I want this to work just like our Application Events.
Private Sub MyApplication_NetworkAvailabilityChanged(ByVal sender As Object, ByVal e As Microsoft.VisualBasic.Devices.NetworkAvailableEventArgs) Handles Me.NetworkAvailabilityChanged
End Sub
Private Sub MyApplication_Shutdown(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Shutdown
[Code] .....
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Feb 21, 2011
how do i extract the weather data from this site :[URL].. into label controls (for example):
[Code]...
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Dec 3, 2010
I have to burn the program I made but I'm afraid about the directories I include in the program.
PictureBox1.Image = Image.FromFile("C:\Documents and Settings\Marvin\My Documents\Visual Studio 2010\Images\Edsger Wybe Dijkstra.jpg")
If I burn it to a Disc, the image will not show up.Even I put them in one folder, It will not work still.How am I suppose to burn it on a disc without having any problem?
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Jan 19, 2012
The following code for DISC CLEANUP works on Vista and windows 7 but not on XP?
Drive = "C:"
_process = New Process()
With _process
[code]....
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Jun 26, 2010
I have googled and google on this, and I can't get it. AT ALL. Not even the slightest bit of code. I need some way to extract an ISO image.
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Sep 17, 2011
Load some if this weather info into textboxes? Burbank, California (91501) Conditions & Forecast : Weather Underground[code]...
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Apr 5, 2012
I want to build an APP which reads Yahoo XML weather.Can someone point me in the right direction of a tutorial on reading XML nodes. and only the nodes i'm interested in.
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Jun 20, 2010
My cousin and I were discussing the difference between Java and VB.Net and I thought I would make a simple application to show him.
My form has two labels a numerical up and down component and a button.
I want to set it so when my cousin presses the button it will open and close his disk tray for the amount of time he chose using the numerical up and down.
I have tried making the program using a sample I have acquired but ti keeps throwing this error.
This is the error.
PInvokeStackImbalance was detected
Message: A call to PInvoke function 'WindowsApplication1!WindowsApplication1.Form1::mciSendString' has unbalanced the stack. This is likely because the managed PInvoke signature does not match the unmanaged target signature. Check that the calling convention
and parameters of the PInvoke signature match the target unmanaged signature.
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Feb 24, 2011
I have a Login Form and ...
I have this code to create an account on my disc:
Try
Dim aa As String
Dim ab As String
[Code].....
But now I want creat a button to emilinate accounts, and I dunno how to do that.
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Jul 29, 2011
I have a small problem. I must save a captcha image from: http://konto.gazeta.pl/konto/3481801,2,,,,,,3.htmlI have problem when i navigate a captcha link. I get a other captcha.Only one solution are save image from webbrowser to file and upload him to server. I wanna make a full bot for creating account's. I have a decaptcher script.
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Apr 20, 2009
I was proposed an offer to create a piece of software to detect weather a game cdkey I think cod4 is either in use or banned I was not sure how I would do this, I can add the cdkey in quite easily but I wasn't sure to tell if it was in use or banned.
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Nov 27, 2011
I searched for help in using the WebControl withh HTML and found the folloing code
[code...]
I've tried now for days, assuming that the code is correct first.
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Feb 18, 2011
I was maked a application in visual studio 2008 using language vb & now i want to connect with database so plz mail the steps required for database connectivity using ms access or sq
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Nov 5, 2009
I have searched google and then this forum too, there are a few threads about this but nothing gives a detailed info on how to do this.Is there anybody who has done this kind of project? Getting Weather info from some website using some web services and displaying them onto your windows form?
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Jul 12, 2010
I have a weather station from a company called BIOS that comes with a program that reads the data from the USB port of the weather station and then displays it on the computer screen. The GUI interface is very simple and I need to be able to come up with a beefier application. Mainly, I want an application that e-mails me when certain limits are exceeded (Indoor temperature for instance). My question is, any exmples of code that might interpret information from a USB port so that I can write the rest of my application around it?
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Apr 28, 2009
I'm developing an application that will take the data from a cd. This cd stores a .csv file. Can VB read this data from the disc and upload it to a database? Im not sure exactly where to start looking. Can someone point me in the right direction, as to what compnents i should be looking at.
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Oct 21, 2009
Am a 1st year student of IT Management, i have been trying to install VB 2005 and/or the VB 2008 Express from msdn and also from disc given to me from college but it wouldnt download coming up with an "Error 1935". what does this mean?
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Mar 21, 2010
I have ashort (1.3MB) video clip set up with the Build Actiontent, and Copy to Output Directory as Copy Always.I am displaying the clip using mciSendString calls, which is working fine.However, I have been asked to change the delivery method so that the video file needs the Build Action to be set to EmbeddedResource and Copy to Output Directory as Do Not Copy , so I need to find a way to write the file to disc on demand so I can play it, then delete it when the form closes.
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Feb 15, 2012
I'm completing an application to display a weather report - unfortunately i can't seem to get the name entered to appear in the message shown and i can't get each picture to appear individually when the radio button related is chosen. Here is the question i'm working off followed by the code i have got so far:
Create an application to display a weather report. The user can choose one of the radio buttons and display an icon and a message. The message should give the weather report in words and include the person's name (taken from the text box at the top of the form). For example if the user chooses the sunny button, you might display "It looks like sunny weather today, John" (assuming that the user entered John in the text box). Include keyboard access keys for the radio buttons and buttons. Include tooltips.
Public Class Form1
Private Sub btnExit_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnExit.Click
'End the project
[CODE]...
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Apr 1, 2012
I have a program I built to pull my weather station data from a mysql database. I can get ALL the records to load, but when I try to query a date from the RecDate row, nothing.
Imports MySql.Data.MySqlClient
Imports MySql.Data.MySqlClient.MySqlCommand
Public Class search
Private connsearch As String = "Server=" & My.Settings.Data_Source & ";" _
& "Database=" & My.Settings.database & ";" _
[Code]...
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Mar 2, 2010
Does anyone know of a way to create a demo disc (CD) of a Visual Basic ClickOnce application? I used to be able to download the exe file and run it. I'd like to show my work via a disc rather than create a file to install on a users' computer.
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May 15, 2011
How Can I determine if my data table column is varchar or nvarchar?
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Feb 19, 2012
I'm running the following WMI script to get the associations between drive letters and physical drives on the system, but for some reason it omits CDROMs/DVD-ROMs. Can someone tell me how to get those as well?
Code:
ComputerName = "."
Set wmiServices = GetObject _
("winmgmts:{impersonationLevel=Impersonate}!//" & ComputerName)
Set wmiDiskDrives = wmiServices.ExecQuery _
("SELECT DeviceID FROM Win32_DiskDrive")
[Code3]...
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Jun 16, 2009
I have a program that allows the user to enter a drive letter into a text box. The program then takes the letter and find the physical drive number (i.e. deviceharddisk3..). It then stripes out everything and leaves me with the number 3.
In VB6 I used mDrive.bas from vbAccelerator.com and it worked perfectly. I have been all over the internet and back and cannot find a solution written in VB.NET.
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Oct 13, 2009
I want to make a tool that will assign a USB pen drive a drive letter, I am using WMI to acknowledge the device being plugged in, I can pull the deviceID, name, etc now I just need to work out how to assign the device to a drive and I just cant figure it out
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