USB Flash Memory Stick Auto Detection?
Feb 14, 2010
My whole project consists of:
1. an electronic product
2. a memory stick (USB mass storage device) and
3. CD thast includes the Windows user interface program
The electronic product acts as a host controller that write data to a file (.wcs), which is in the memory stick whenever the user plug it to the USB connector. After this the user disconnect the memory stick from the electronic product and plug it to a PC that run the user interface program. Untill now the user searches for the .wcs file manually using an OpenFileDialog.
My question is:Is it possible for the program to automatic detect almost plaged or new plaged USB flash memory sticks in order to load open the needed .wcs file? If this is possible then how can I do it?
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Jul 12, 2012
I can zip files to a memory stick and transfer to another computer without any difficuly but how do you zip an entire VB project so that it can be put on another computer, unzipped and used in Visual Studio? The part that I seem to getting confused with are the folders bin, My Project and obj.
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Oct 21, 2010
I have a program made in vb 2010. The problem is it uses my files on the computer such as different cursors and pictures and I really want to be able to make it portable and stick it on a memory stick and run it on other computers. Is this possible?
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Feb 20, 2010
project im working on for my course,the idea is a photo printing machine that loads up 4 images if usb stick is checked and a different 4 if memory card is checked. and then whatever image is selected appears in the big picturebox on the left [URL] i have 2 print size options set as radiobuttons, radiobutton 1 = 6x4, which costs 25cent per photo, radiobutton 2 = 8x10, and is 50cent per photo.i also have a textbox which will display the number of copies to be printed So here's my dilemma, when the print button is selected alongside one of the radiobuttons i want it to display a message saying something like this "you have selected (whatever the amount of copies)of this photo sized 6x4, or 8x10 depending on which radiobutton is selected, and i want it to display the total cost which is the number of copies multiplied by the rate for the print size selected, then an option saying "Do you wish to proceed" Yes or No.
I did something similar to this in class earlier in the year but cant remember it, it was an airline booking program with 3 types of payment cash, visa or mastercard,upon booking a message popped up saying there is a certain percentage discount for using visa or mastercard
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Jul 23, 2009
Can we ADD ( Flash FIle) .SWF video file in Form
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Sep 26, 2009
I am using a webbrowser control to display flash through it. This flash application is an online MMORPG where users can talk and stuff. Well what I am wanting to do is when a user presses "Button1" that it takes a predefined message, "Hey, how is everyone doing?" and pastes it into the flash textbox.I am guessing that in order to do this you would have to tell the mouse to click on the flash textbox using X and Y Cords, and then do some kinda paste command.Here is the picture of the flash control, I have the textbox circled in red. What I want is the program to click that flash textbox and to paste in a string of text saying, "Hey, how is everyone doing?" Then it sends the enter key to send the chat message.http:[url].....
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Oct 7, 2009
I am working on a program for auto login to a flash website, and I need it to guide the mouse to set coordinates for the program, accept I want it so that the coordinates are for the program, not the whole screen. I want that so the user can move around the window and still use auto login. I have this code for the whole screen SetCursorPos(600,900)
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Aug 16, 2010
Is there a way to auto enable access to my webcam when visiting websites with my vb.net webbrowser? I know I can click it on every site I visit, but I'm looking for a way to do this automaticly
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Sep 12, 2009
I have a USB flash drive I want to be able to plug into another computer and automatically start the program as soon as it is plugged in and started up, is there a way to do this?
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Nov 27, 2010
I want to be able to create a VB application that is on a flash drive and will run as soon as I insert the flash drive into a computer.
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Aug 19, 2008
Good day all,A Flash movie that plays fine when opened in a web browser is playing slowly and choppily in my VB 2005 WinForm application on the same machine.
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Apr 15, 2009
Hi, I'm just beginning to teach myself how to do OOP in VB 2008 Express. I have a quick question after seeing a video online.Is a VB variable the equivalent of an 'instance' in Flash and a VB object like a 'symbol' in Flash? Is this what it means by a variable being a reference or pointer to an object and not the object itself?
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Mar 17, 2011
why is it i need to click the shockwave flash player/flash/.swf before it will exectue.
here's my code for shockwave flash player
Handles AxShockwaveFlash1.Enter
AxShockwaveFlash1.Play()
AxShockwaveFlash1.Movie = "C:UserscompnameDesktopflash1.swf"
Me.AxShockwaveFlash1.BGColor = Me.BackColor.R.ToString("X2") & Me.BackColor.G.ToString("X2") & Me.BackColor.B.ToString("X2")
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Nov 16, 2010
why is it i need to click the shockwave flash player/flash/.swf before it will execute.here's my code for shockwave flash player
Handles AxShockwaveFlash1.Enter
AxShockwaveFlash1.Play()
AxShockwaveFlash1.Movie = "C:UserscompnameDesktopflash1.swf"
Me.AxShockwaveFlash1.BGColor = Me.BackColor.R.ToString("X2") & Me.BackColor.G.ToString("X2") & Me.BackColor.B.ToString("X2")
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Apr 10, 2009
Well I have a Flash Movie loaded in the Flash Control, And I need to reload it. (So the new base url is used) How do I do this?
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Mar 10, 2012
I need to modify a button so that I can add a flash property which will flash the backcolor red.Along the lines of RedLightButton.Flash = true.I have the following
Public Class RedLightButton
Inherits Button
Private WithEvents FlashTimer As New Timer
Private isFlashing As Boolean = False
Public Sub New(ByVal ButtonText As String)
[Code]...
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Apr 9, 2011
Then I ran into problem #1 - I wanted to call the methods in another sub but they were shared so I received the error:"Cannot refer to an instance member of a class from within a shared method without an explicit instance of a class"o, I took out shared since I didn't know how to fix it, and put in the Following as Global Variables:
Public listener As System.Net.Sockets.Socket
Public handler As System.Net.Sockets.Socket
Public client As System.Net.Sockets.Socket
[code].....
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May 11, 2011
I bought myself a TV tuner USB stick, and the supplied software does not do what I want. I looked around for some software examples, but everything I've seen uses DirectShow which was apparently part of DirectX-9, but does not seem to be in DirectX-10. I've found AxMSVidCtlLib, but have not been able to work out how to use it.
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Jan 26, 2009
In my WPF application I want to display items on a map, but since the map is rather large, it is scrollable.My questions are:* How do I display an image on top of my map?
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Jan 7, 2011
I would like to have my application basically appear as if it was part of the desktop background, I've removed the form border etc and made the background colour of the form the same as our standard company background so it all blends in nicely. I have also made it so the app does not appear in the toolbar and it is set to launch on startup so it appears as soon as the user logs in - so all works fine and looks fine because any new apps that the user opens will open on top of my app. The only problem is that if they press the Show Desktop button (or use Windows Key + D) to minimize all apps, mine gets minimized as well and disappears. Its easy enough to get the user to make it appear again as it has a system tray icon that they can interact with, but it would be better if it just didn't vanish when they did this.Now I know the best thing for this on Windows 7 would be a Gadget but the problem is that Gadget's annoyingly have to be HTML/javascript and a) I'm not great with web coding and b) I don't think it is even possible to do what my app does from a HTML/javascript page... oh and c) I can't find any way to deploy gadgets in a business network (there is no way we are installing it manually on all 300 of our PCs), so the gadget idea is not looking very promising.I'm wondering if there is some window message I can capture and ignore in the WndProc event handler
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Oct 15, 2011
i am creating one application and i want it to stick to screen edge/corner when dragged near to the edge of the screen.i want it be like in WINAMP.
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Aug 27, 2011
I am trying to write a simple standalone windows forms project that basically contains various buttons which run external application setup files. The problem is I want to be able to run it from a USB stick. I have created a folder inside the project with all the files I need to call in it. I am using Process.start but the paths are obviously going to be wrong when the project is running from the stick as the drive letter may be different each time. How do I over come this.
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Mar 18, 2012
I am trying to come up with something that will let me obtain a unique ID of some sort for most types of storage devices. These can be USB thumb drives, SD cards, external hard drives, etc.
I have run across this:[code..]
But I can't find anything similar within .NET. Can anyone point me in the right direction?
My end goal is to be able to define specific hardware storage devices, and then have my application auto-detect them when they are plugged in.
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Mar 19, 2009
I have tried to do some research on my own but I haven't found anything substantial. I was wondering if it is possible to pull low-level hardware information off of a HDD or stick of RAM using the latest visual basic.net. Mostly curious in pulling serial number and model number.
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Mar 7, 2011
I am using a WPF richtextbox to create a syntax highlighter for code provided in a textbox. I want to have it automatically adjust the rich textbox as I am typing, using a thread timer I reset the contents of the rich textbox. I am trying to keep the cursor where it is suppose to be. I don't loose any text characters during the parse (except line breaks).
I don't know how to keep the caret position where the user has left it in the text. It defaults to the end of the document. I attempt to store the current caret position in the text and then set it to the document after I make my changes, however the error I receive is "Cannot set CaretPosition to be outside of RichTextBox." So I set the caret position to the bottom of the document.
WPF, VB.net, .net Framework 4.0
Here is the code.
Public Sub FormatText()
If IsNothing(rtfContent.Document) Then
Exit Sub
End If
Me.rtfContent.IsEnabled = False
[Code] .....
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May 26, 2009
I want to have a stick figure kind of person who moves around with the arrow keys, and i want to have him move in different positions depending on what key is pressed. What is the best way to acomplish this without using pictureboxes?
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Apr 14, 2011
I'm working with a project that is WPF and VB.net. I want to visually simulate "dragging" an object (though I do not want to use standard drag and drop for reason of purpose).Basically, I have a label object that, on its MouseDown event, I want it to follow the mouse cursor inside a 640x480 solid-size grid (but not outside of it!). Mind you, this grid is centered inside a full-screen window. Again, the object should not follow the mouse outside of the grid (I'm guessing a "ClipToBounds = True" here)Then, on the label's MouseUp event, I want it to either stay in its current position or return to its original position, as determined by the value of a boolean variable set by another object's MouseEnter property.Note, if it would be easier to work with, I can change the grid to a canvas in a cinch. I'm guessing that would be desirable.
How do I make the object (label) follow the mouse cursor inside the grid/canvas, but not outside of it? This needs to happen on the MouseDown event of the label.How do I make the object "stick" in its current position? (From this, I can probably figure out how to make it return to its original position on my own.
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Dec 1, 2008
I'm looking for a way to detect when a new USB mass storage device is inserted in one of the pc's USB ports... I need to get it's drive letter and check for the existence of a particular file.
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Nov 5, 2009
In VB 2005, I am calling a C++ DLL function that returns the address in memory and size in bytes of a jpeg image. How can I load that jpeg image directly from memory into a picture box in my VB form? I cannot afford to save it to disk first.
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May 22, 2007
Im getting a problem with one of my programs I have made in visual basic.NET where it gives me a memory error when i debug the program in the IDE. the exact error is this: "Attempted to read or write protected memory. This is often an indication that other memory is corrupt". My program basically has a few forms with text fields on that get their text values from an access database on the same hard drive. Im wondering if im doing something wrong because my program just seems to eat up memory whenever it does anything. For example I have one form that has a combobox on it and when you change the drop down list selection it retreives a few strings from the database and puts them into the relevant text boxes, if you keep changing the selection then the memory usage (in task manager) just keeps going up and up. occasionally I get the error mentioned above when debugging but in my built version of the program it throws an exception everytime the memory usage gets past 49K.
Also I noticed when debugging in the "immediate window" frame I get the following message often:A first chance exception of type 'System. Invalid OperationException' occurred in System.Data.dll...Do I need to somehow be "releasing" the memory that is used to gather data once it becomes redundant?
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