Cancel NumLock - All The Time Without The Possibilty To Turn Him Off Manually
Nov 4, 2010Is any way to cancel this key. I need him to be on all the time without the possibilty to turn him off manually.
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How To Turn NumLock Key Off Or On
Nov 22, 2009I have code bellow. Why it doesn't work?
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
SendKeys.Send("{NUMLOCK}")
End Sub
Detect If NumLock Is OFF And Turn It Always Back ON?
Jun 2, 2009What is a method to detect if NumLock is OFF and how to turn it always back ON automatically when my VB APP is running ?
EDIT: My app is dedicated app, running on dedicated computer with external numpad device.
another option would be to ACCEPT NUMPAD ARROW KEYS (etc) and convert these to NUMBERS on fly, is it possible?? (e.g. ignore the numlock off situation and behave as numlock is on)
Time To Turn 180 Degrees?
Nov 23, 2011I have a space ship, and am wanting to calculate how long it takes to turn 180 degrees. This is my current code to turn the ship: .msngFacingDegrees = .msngFacingDegrees + .ROTATION_RATE * TV.TimeElapsedMy current .ROTATION_RATE is 0.15, but it will change.I have tried:Math.Ceiling(.ROTATION_RATE * TV.TimeElapsed / 180)
View 1 RepliesCancel Button Some Time Not Working?
Sep 21, 2011Cancel Button Some time not working
View 3 RepliesCancel Plane Ticket Before 4 Hours Of Departure Time
Nov 21, 2010If i have textbox1 which display server date as 27-Nov-2010 Textbox2 will display time as 08:00:00 AM..i want if the departure of the plane is Date 27-Nov-2010 and Time 08:00:00 AM then if he/she wants to cancel ticket then it can cancel their ticket till Date 27-Nov-2010 and Time 04:00:00 AM.. Any Body can cancel their ticket before 4 hour of departure date/time..I want cancel plane ticket before 4 hours of departure time if dep time is 08:00:00 AM then Passengers can cancel ticket till 04:00:00 AM ??
View 1 RepliesTake A Screenshot = Turn It To Byte() - Send Through Tcp Connection Then Turn Back Into Image To Put In A Picture Box On Other Side?
Feb 11, 2012My current code: Server: Imports System.IO Imports System.Text Imports System.Threading
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Turn Off And Turn On Background Music In Program
Feb 17, 2012Right now I can add background music in my program by using this code
My.Computer.Audio.Play(My.Resources.Music_3, AudioPlayMode.Background)
I can also turn it off and change the music by using this code
My.Computer.Audio.Stop()
My.Computer.Audio.Play(My.Resources.Another_Music, AudioPlayMode.BackgroundLoop)
Is it possible to pause the music then if I resume the music it will just continue the flow? I mean if I pause the background music in 33 seconds and the music has 50 seconds and I resume it will just continue playing in 33,34,35 etc.. seconds?
Turn Off Events And Then Turn Them Back On In Program?
Sep 1, 2009I was wondering if their was a way to for me to turn off events and then turn them back on in my program or just queue them up until i am ready for them to be excuted. Kinda like how a OS turns on and off interupts. Is this one of those general programming no-nos?
View 1 RepliesCancel Validating In A DataGridView When A User Clicks The Cancel Button?
May 18, 2006I validate a DataGridView with the CellValidating-eventhandler.That works fine. However, I want to avoid validating when the user presses the Cancel button. In the sequence validation occurs before the event CancelButton.Clicked.
View 1 RepliesCancel Save Event - E.cancel
Sep 21, 2011i want to do this: when user click save button, the form must be check first..
if user did not insert the required data, user are not allow to save form..
the code:
Private Sub AssetMasterBindingNavigatorSaveItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles AssetMasterBindingNavigatorSaveItem.Click
[Code].....
VS 2010 E.cancel "cancel Is Not A Member Of "System.EventArgs" Error
Mar 13, 2011Im coding an interest rate calculator and I need a close clause for the textbox and the combo box using e.cancel and im getting a "cancel is not a member of "System.EventArgs" error
View 13 RepliesLINQ Query Is Enumerated - Turn On Some Kind Of Flag That Alerts Me Each Time A LINQ Query Is Enumerated?
Sep 22, 2009I know that LINQ queries are deferred and only executed when the query is enumerated, but I'm having trouble figuring out exactly when that happens.Certainly in a For Each loop, the query would be enumerated.What's the rule of thumb to follow? I don't want to accidentally enumerate over my query twice if it's a huge result.
For example, does System.Linq.Enumerable.First enumerate over the whole query? I ask for performance reasons. I want to pass a LINQ result set to an ASP.NET MVC view, and I also want to pass the First element separately. Enumerating over the results twice would be painful.It would be great to turn on some kind of flag that alerts me each time a LINQ query is enumerated. That way I could catch scenarios when I accidentally enumerate twice.
Import DLL Manually?
Feb 10, 2012I'm developing an application and I need to know how I can to import a DLL with code and not with "Add reference" because path will be change when I connect to other computer.The library I need to import is ADOX but Maybe it will be used by me with another dlls .
View 4 RepliesAdd A Value Manually To DataReader ?
Jun 10, 2011I am copying sample.csv file's content into the new.csv file. But I need to add additional column in new.csv file which holds the default value as "Yes" for each row that exists in old file. Here is the code I have written.
Dim ioFile As New System.IO.StreamReader("C:sample.csv")
Dim ioLine As String
Dim ioLines As String[code].....
The first four columns ID,Name,Number,Amount are present in sample.csv.I am adding additional column Copied which should be "Yes" for each row.
API For Scheduled Task To RUN Manually?
Mar 1, 2011TaskScheduler on Windows xp, does anyone know a API used to select a certain task to Run? or do I have to go through that darn COM ITASK interface, I think that might have a method?
View 6 RepliesCannot Link Manually The Database
Jun 4, 2011i want to start my coding immediately about linking the database in vb...but i dnt knew how...hw i can lnk my database...
View 11 RepliesHow To Manually Add New Rows To A Datagrid
Dec 23, 2009How do I manually add new rows to a datagrid?
View 1 RepliesManually Disable All The Items?
Mar 13, 2009when running a process in a backgroundworker, do i need to manually disable all the items in my form to stop the user from any transactions while the backgroundworker is doing something and then enable them after
View 3 RepliesManually Editing Datagridviewtextboxcell Value
Mar 21, 2011Currently I am working on VB.Net 3.5 Win Forms. I have few queries about datagridview
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Manually Populating A Datagridview?
Jun 10, 2009Historically I used Tek-Tips for stuff like this but I can no longer access my account there and they do not respond to form based mail. Maybe they got tired of the questions too :-)
I am not a student. I manage a 'large' network. Every now and then I need to roll up something for a specific task. Most of the stuff I write only sees my desktop so neatness and originality are not an issue.My current 'project' is throttling back a few of my users disk storage. I am not allowed to implement Quota's (Server 2003 infrastructure) so I thought the next best thing would be a duplicate file report. I purchased Folder Sized 4 which is a beautiful product (I have used it since it's humble beginnings as Bullet Proof Folders). The end users claim that the filename and date checks are not enough to prove a duplicate. Enter my idea.
I have cobbled together a MD5 hash generator from a function found out on the web. Now I want to send the results to a datagridview instead of my current disk files.I has thought that I could access the rows & columns like dgv.row(x).column(x) = "strFile", dgv.row(x).column(y) = "strMD5"Nope, hunting through the available properties did not point me to any likely candidates.
Again, if this is not the place for questions of this nature please let me know. I am not a programmer, nor am I in training to be one. I just toss little things like this together when needed. Importing a CSV file into Excell is working, but it seems rather lame to be taking so many steps.
Which Resources Must Disposed Manually?
Apr 20, 2012"Sometimes your code requires an unmanaged resource, such as a file handle, a COM wrapper, or a SQL connection. A Using block guarantees the disposal of one or more such resources when your code is finished with them. This makes them available for other code to use. Managed resources are disposed of by the .NET Framework garbage collector (GC) without any extra coding on your part. You do not need a Using block for managed resources."
So, which unmanaged resources must disposed manually and which disposed automatically of by the .NET Framework?
C# - Convert A Date And Time To UTC Time Based On The Time Zone Of The User?
Sep 6, 2009I have an ASP.NET application with a SQL Server back end. I am storing all my dates in UTC format and doing the appropriate conversions to the local time zone of the browser viewing it. One of the pages asks for a start date and end date (no times).
I am taking the start date and setting the time to 00:00:00 hours (midnight) and I'm taking the End time and adding a time of 23:59:59, so that the date range covers the whole day. Now what I'm trying to do is do a SQL query to do a search for records in this date range. The problem is, the data in SQL is in UTC time and the user is typing their dates and times in their local date and times. My quickest solution was to convert the date and time to UTC, then search the records. However, by doing this, I am to believe ASP.NET converts the given time and date to UTC based on the server time zone. How can I convert a date and time to UTC time based on the time zone of the user?
DataGridView : Adding Rows Manually?
Sep 17, 2007I'm adding rows to a DataGridView via the following function, passing in one or more DataTables.The DataGrid is not aware what column(s) are coming back, but appears to build the column names okay.It's when it adds the individual cells (highlighted) that I get the following message:
ArgumentOutOfRangeException was unhandledSpecified argument was out of the range of valid values.Parameter name: rowIndex
DataGridView Adding Rows Manually?
Sep 11, 2011I'm adding rows to a DataGridView via the following function, passing in one or more DataTables.The DataGrid is not aware what column(s) are coming back, but appears to build the column names okay.
View 2 RepliesDatagridview With Manually Added Comboboxcolumn?
Jan 14, 2011i am using a Datagridview on my form. It get's it's datasource from a dataset: grd.datasource=set_temp After that I add ComboboxColumns manually. At the end I loop columns and set values into that cells from the comboboxcolumns. Works perfect so far. Now I click on a header and the sorting is changed, and then the cells from the comboboxcolumns all lose their values, they are all empty.
Why and what do I do to avoid that? Or must i refill those manual Values after sorting?
Datatype In Manually Added Column?
Nov 30, 2010Dim pctofpax As New DataColumn
pctofpax = New DataColumn("PCTPAX1", GetType(Decimal))
pctofpax.Expression = "[ASOFPAX] / [YEPAX]"
[code].....
Generating Documentation Like MSDN But Manually?
Jun 7, 2010there are tools (SandCastle?) that can generate an MSDN-like documentation (HTML files) from your source code by using the XML comments above members. I am looking to generate a similar documentation (bunch of HTML files that one can link through), except not from XML comments but completely manually.It is for a custom scripting language, I have to document the available functions, and it would be great if I could do that in this common documentation style. Since there are no XML comments to generate the documentation from (the documentation is for the scripting language itself, not for my source code of the scripting language?
What I'm looking for in detail is a way to generate these documentation files by simply supplying this information for each function:
- Namespace (just the name and maybe a description)
- Function name + description + return type
- List of arguments and their types
from this I would to generate a document where one can first view all the Namespaces, click one (they are supposed to be links) and view all the functions in that namespace. Then you can click on a function name and view its description and list of arguments for that function.In other words: just like these automatic tools do, except now I want to supply this information manually.
While writing this I thought of one way that I might be able to do it: just create namespaces and functions in actual VB code (corresponding to the scripting language functions) and generate the documentation from that, but
1) That seems a little contrived especially if a better tool is available,
2) I would be in trouble with the types of functions and arguments, since they would have to be .NET types and not the types that my scripting language supports.
Is There A Way To Edit Columns And Rows Manually
Feb 25, 2011I am using Datagridview to show some table data from database. It is working but its appearance is not what i am looking for. Is there a way to edit columns and rows manually ?
This is a list of what i want to do :
1. First of all i want to change column captions. because they are like "Fld_name" etc.
2. There is a column that shows date. I want to write a code for it ( convert date type )
3. I want to add a button at the end of each row and write a code for it ( show detail about that record )
Manually Create A Form In Code?
Mar 2, 2012Basically, I'm working on a VB project, one instance of it at home using VB Studio and one at school with SharpDevelop (portable). However, some of the school computers do not have .NET 4 and therefore I can't run SharpDevelop to make the forms, etc. I would like to know how to edit/make a form via code, in Notepad++. An example of this would be setting up a form with controls such as TextBox, Button and perhaps MenuStrip.
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