How To Lock And Unlock Chosen Files

Jul 28, 2010

I would like to create a program which able to lock several files from unauthorized person to use and unlock it when the authorized person wants to use


Lock And Unlock Files Folder

Aug 30, 2009

How can we lock a file or folder so that it couldnot be opened by any1

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VS 2005 Lock And Unlock PC Desktop?

Apr 22, 2009

is there a possible way using to lock and unlock PC Desktop? so that we will have restriction for each user? what code should i write?

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Windows Lock/unlock (with Code)?

Mar 5, 2009

i'm trying to Handle the Micosoft.Win32.SessionSwitch Event, so when Windows is going to be locked by the user, i will simply write a line to the console.When it's going to be unlocked, the same.

Here's the code:

Sub Main()
AddHandler Microsoft.Win32.SystemEvents.SessionSwitch,
_ SystemEvents_Sessionswitch()


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Find Last Window Lock / Unlock Time In C#?

Feb 25, 2011

I want to find the wheather my machine(XP installed) is locked or unlocked today.

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Lock And Unlock All Of The Computer Using Visual Basic?

Feb 7, 2010

i want to build a software which can lock the computer (not to lock the computer as i lock in windows) and then another software that can unlock it.

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VS 2010 Unlock Machine When The Application Receives The Unlock Command

May 13, 2010

My request is a difficult one. What I wish to do is unlock a machine when my program recieves a command. I have searced a lot and found nothing which helps. The reason I wish to do this is simple. I have created an application which allows me to send SMS messages to my computer via twitter. One of the commands is to lock the work station. This was implemented without any problem. However, I do not know how to unlock it when the application recieves the unlock command.

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Lock And Unlock Exe Program In Program?

Jul 27, 2010

So far, i get know the way to lock and unlock file.. but in my project, i want to lock and unlock the *.exe program.

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Unlock The File That Choose To Unlock?

Aug 7, 2010

At this moment, i am able to lock all the file path which taken from database. BUT, when i choose to unlock 1 particular file, it caused me some error.

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Can VB Play Clips Of Randomly Chosen Avi Files

Apr 3, 2011

Can a media player written in VB be modified to do this: randomly choose an avi file from a directory or subdirectory, choose a random starting point within that file and then play a clip of a random length (within user defined parameters) then without prompting repeat this sequence?

I would like just such a media player but there doesn't appear to be one already out there so my only other option is to write one myself. I know nothing about VB and last programmed in BASIC in the 90s. Before I invest time and effort in learning VB I need to know if it can actualy do this at all.

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Unlock With Voice - Program That Can Compare Voices To Stored Voice Files And Identify People

Mar 25, 2009

I have a voice program that can compare voices to stored voice files and identify people based on that. It's not the most accurate thing, since being sick or other weird things can make it fail, but it does work for the most part. I was wondering if there was a way to keep the voice recognition running during an unlock and wait for the person who locked it to come back. Upon giving the command and voice verification, if it passes, the computer is unlocked by my program. Is there anyway to do this in VB.NET?Summary: Can a program unlock a computer after it's locked?

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How To Password Lock Files

Jun 24, 2009

how do you lock a single file cuz people r accessing files that r private and help me with VB 2008 code

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Gridview Control - Files Are Being Lock - Unable Rename Them

Oct 26, 2009

In the attached project when I load the files in datatable and then try to add images without using the "Dispose" method the datagridview does not showing it correctly and when I load images with "Dispose" method then everything is showing correctly but the files are being lock and i am unable rename them...

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How To Unlock Database

Jun 22, 2010

I have different query in access and record are inserted sometimes not.All coding is correct.when record is not inserted,it gives an exception that'could not open;database is locked'What is this exception???My database is not having password.

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Unlock A File (Check For Attached Dll)?

May 2, 2010

I know how to display attached modules but how do i check if a file is locked by a dll.

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Unlock Computer / Windows Account?

Feb 26, 2009

I was wondering if anyone knows if there's a way to programatically unlock the currently logged in account (i.e. when the user hits Windows + L), or even to just unlock the screensaver password.

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IDE :: Automatically Opening Office Outlook 2007 Visual Basic On Machine Unlock?

Jul 9, 2009

Today i added the following method in office outlook 2007 visual basic IDE for 'ThisOutlookSession'.Private Sub Application_ItemSend(ByVal Item As Object, Cancel As Boolean)

Dim strSubject As String
strSubject = Item.Subject
If Len(Trim(strSubject)) = 0 Then


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Determining Point Chosen?

Sep 8, 2010

How can I determine which box a user has chosen from the points array I stored it in? EX:




User selects box2

How can I determine from the points array(x) which box he chose?

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.net - Query For Retrieving The Chosen Data?

Nov 18, 2011

Im not good in querying. I would like to ask if this query works.I want to retrieve starttime, endtime and sessioncost from the table SESSION of my database. my program will be an autorun.

Dim sql As String = "select STARTTIME, ENDTIME, SESSIONCOST from SESSIONS where CLIENTID = (?)"

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Combo Boxes If One Value Is Chosen - The Other Won't Have That Value Anymore

Jun 5, 2011

I have four comboxes all containing A,B,C,D. My problem is if I have chosen letter A on the first combobox, the last three won't have letter A anymore, then on the second combobox, if letter B is chosen, the last two will have C and D and so on.

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Open Program Chosen By User

Jan 27, 2009

I'm trying to make an autoshutdown, that can, of course, shutdown your computer but also open a program when you want (I'm working with vb 2008 btw), I was thinking in using openfiledialog, get the path to a text box and then open the file with shell.

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Playing A Chosen Music File?

Jun 14, 2012

So I'm making a multi-function clock for practice.

It's a clock, timer and alarm. It's all done except for the alarm. I want to be able to choose a song (mp3) with OpenFileDialog1 and then play it when I click a button. I'm thinking about using a hidden Windows Media Player control,

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Starting A Program With A Chosen Path?

Nov 28, 2009

lock/delete this thread if you wish.

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Validate That The Chosen Option Is Appropriate For The Rest Of The Row?

Aug 21, 2009

I've searched for a solution with no luck, can you help? I've a DataViewGrid with a DataGridViewComboBoxColumn, bound to a dataTable which all works fine but I need to undo the user selection in some cases.

When the user selects one of options I validate that the chosen option is appropriate for the rest of the row. I can do this in the CellValueChanged Event and easily determine if its good or bad - is this the correct event to do the check?

The problem I have is that I want to roll back to the default value in the DataGridViewComboBoxColumn if an invalid selection is made:


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VS 2008 Saving The Chosen Date?

May 31, 2010

Im having problems in saving the date selected. When I clicked my save button, it is saving the current date not the date i choose. The date I selected is for the Birthday.Here is my code for saving:

Dim myBuilder As OleDb.OleDbCommandBuilder = New OleDb.OleDbCommandBuilder(dataAdapter)
If dt.Rows.Count <> 0 Then


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Display The Content Of Chosen Txt File In Textbox?

Aug 30, 2010

i need code for chose any txt file and opening it from open file dialog (if thr user click in open button)and display the content of chosen txt file in textbox

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Find Screen Pixel Of Chosen Color?

Nov 8, 2010

How To Find Screen Pixel Of Choosen Color?

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Insert The Chosen Value (male Or Female) Into The Database?

Mar 7, 2012

i ve got two radiobuttons one labelled male and the other labelled female and a client is supposed to choose which gender they are and insert it into the other database along with other information. I want to know how I can insert the chosen value (male or female) into the database

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Report With Dynamic Columns (Chosen In Runtime)

Jul 22, 2010

I need to make a report but my columns will be chosen in run-time. I used to make report with crystal report by filling my data to query table and connect this query table with designed report by crystal report. but this time the user will choose the fields in run-time.

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VS 2008 Start Downloading When Path Is Chosen?

Apr 12, 2009

i got the "downloder with progress bar" from some one on this site. but i want it go begin downloading when i have chosen my desired path. but i just dont know why

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VS 2008 Starting A Program With A Chosen Path

Nov 28, 2009

VS 2008 Starting a program with a chosen path

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Bingo Game, Change Color Of Chosen Items?

May 11, 2011

I have created the random bingo calls needed with the standard bingo letter restrictions.. i.e. B = 1 - 15, I = 16 - 30, etc. I have a form with 5 columns with B I N G O at the top and the corresponding numbers beneath. Those are labels named lblB1, lblB2, etc.

My problem is that I can't seem to figure out how to get get the text to change on the called tiles. Logically it would be easiest to use something like

varLabel="lbl" + varCalled
varCalled.Forecolor = red

Where varCalled is the ball number being called.But.. that is not the case. (I'm at work so can't submit the actual code at this time.. will do so later if needed)I've done some searching and can't find anything that helps out.. but searching for "change label color dynamically" comes up with how to change the color of a label at runtime.. not sure how else to search on it.

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Combobox Giving 'DBNull' Error When The First Item Is Chosen

Oct 5, 2009

I am using combobox to populate values from a table, 'Suppliers'. I put this combobox in a form wherein the order details are filled up. This column 'Supplier' is a Foreign Key and set to NotNull in the order detail table. Selecting the first available entry on the combobox gives error 'SupplierID cant be Null' . Selecting the 2nd value is OK, first choosing 2nd and coming back to 1 is also OK. This error comes up when trying to update the database.Even with the first value, the combobox is having a text. I would like to know why the error.

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Parsing XML Attributes Into A Listbox And Filtering To Chosen Values

Jan 26, 2010

I use VB 2008, and have "moderate" programming skills.I've constructed an xml file:[code]

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VB Form Prepare Working Environment In Chosen Directory?

May 16, 2012

I am working on a GUI for a simulation program. The simulation program is a single .exe which is driven by an input file (File.inp placed in the same directory). The Original.inp file functions as a template from which the form reads all the values into an array. Then it changes these values reflecting the changes done by the user in the form. After that it writes all the new values to File.inp. By pushing the "Run" button the Simulation.exe file is executed. The folder structure looks like this:


Ideally I would supply only the GUI, the user would select the working directory and then the GUI.exe would create an input folder and extract the Original.inp and Simulation.exe in the appropriate locations. So far I have only managed to include Original.inp and Simulation.exe as "EmbeddedResources" in my VB project and I have let my code create an input folder in the working directory chosen by the user.

how I can extract the .inp and .exe file into the correct directories? I've searched on google, tried File.WriteAllBytes and Filestream.WriteByte but did not get the desired results. The problem with File.WriteAllBytes was that I could not point to the embedded resource ("Simulation.exe is not a member of Resources" and with Filestream.WriteByte I got a 0 kb file.

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Assign User Chosen Hotkeys Whilst The Application Is Running?

May 20, 2012

I have an application which uses hotkeys which are to be defined by the user. It is a combination of 2 keys, either CTRL, ALT, SHIFT as one hotkey and the F* Function keys as the other (e.g. CTRL + F1, ALT + F2 or SHIFT + F8) As stated these are then chosen by the user before a global keyhook is put in place to listen for them and trigger an event. In my app I have all my function keys as follows:

Public Const VK_F1 = &H70
Public Const VK_F2 = &H71
Public Const VK_F3 = &H72


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ASP.NET - Persist A GridView's Dynamically Chosen DataSourceID Over Multiple Button Clicks?

Nov 11, 2009

I have an app where I need to dynamically choose an SQLDataSource for a GridView so I can use 1 of 2 stored procedures, depending on who is logged into the system. My problem is that I am using logic like this, in the button click...

If Session("SiteType") = "Type1" Then
GridView1.DataSourceID = "SqlDataSource2"


This happens when you click the button that reveals the panel with the gridview in it. The user then makes changes (basically adjusting a text box on one or more liens of the grid) and then clicks "save". However, the gridview no longer knows its DataSourceID once this happens, so when I try to go through the gridview's rows - there are none.

If, in the save button's click, I put the same code, it (of course) blanks out any of the data changes I made in the form. So, simply put - how do I dynamically choose the SqlDataSource, but only one time, so that the program then keeps that SqlDataSourceID associated with the gridview until the end of the cycle? Is this a ViewState thing? I don't totally understand ViewState...

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VS 2010 : Compare 2 Dates (actually 1 Date Is Changed By 42 Days) That Are Chosen By A User Through A Datetimepicker?

Aug 2, 2010

I try to make a WFA for filling, reading etc. to a database. I want to compare 2 dates (actually 1 date is changed by 42 days) that are chosen by a user through a datetimepicker. After comparing the 2 dates the "newest" date has to show up in a non editable textbox. This Is my code (of course I have 2 subs for the datetimepickers as well).

Private Sub AwbdatumTextBox_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles AwbdatumTextBox.TextChanged
Dim DatumbinnenkomstDateTimePicker As DateTime


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Change List Of Combobox A Based On Item Chosen From Combobox B?

Jun 17, 2011

I am new to and I am using visual studio 2010. I have two comboboxes on a form, each combobox is set to DropDownList so that a list of items can show in the combobox, but no text is allowed to be entered.

For combobox A, if user chooses item 1, the list of combobox B should be updated accordingly. I think this is quite common on a lot of applications. But I do not know to implement it. I even do not know the keyword to search for the relevant property or event handler.

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TreeView With "Recently Chosen Paths" Option

Jun 26, 2009

I have a treeview that I use regulary.  During testing I usually got to one of three locations in the treeview.  However I have to drill down quite far in the TreeView to get to these locatons. The Treeview Parent node is "C:"

I would like to build some funtionality in so that I can present the user with a list of commonly chosen paths and then have the treeview reload and generate the full path from the list.  Maybe this would be generated off a right click menu.  Not really sure exactly the best way to do this.

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