Passing Arguments To Nested Functions?
Feb 11, 2010topfunction(myarray, yourarray)
dim function topfunction(byval array1() as integer, byval array2() as integer)
dim function subfunction1(byval array1() as integer)
[code]....
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Functions And Nested XML Literals?
Nov 6, 2009I am constructing some XML using XML literals. I have a function which returns an XElement.
Function RootElementFormattingFunction() as XElement
Return <Root Data="foo"/>
End Function
In reality it is a bit more complicated than that, but it is called from several places. Now I have linq sequence which generates a set of nodes which I want to make children of the XElement returns
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Nested Functions Allowed In VB?
Nov 2, 2009are nested functions allowed in visual basic?
View 9 RepliesVS 2008 Making A Calculator Using Arguments And Functions?
May 6, 2009Ok. I just took my final for VB and the last chapter we did was on procedures and functions. Functions was the only thing out of this whole semester that I was just completely lost. I'm trying to work on this cause I'm taking Advanced VB next so I wanna know what I'm doing. So I'm trying another tutorial in the book and I'm really lost. Here is what the it wants you to do.
Retail Price Calculator
Write an application that accepts from the user the wholesale cost of an item and its markup percentage. (For example, if an item's wholesale cost is $5 and its retail price is $10, then the markup is 100%)
The program should contain a function named CalculateRetail that receives the wholesale cost and markup percentage as arguments, and returns the retail price of the item.
When the user clicks the Get Retail button, the program should do the following:Verify that the values entered by the user for the wholesale cost and the markup percent are numeric and not negative. Call the CalculateRetail function Display the retail cost as returned from the function.
Here's what the calculator looks like and my code so far.
Public Class Form1
Private Sub btnRetail_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnRetail.Click
[Code].....
Arguments / Parameters And Variables Inside Shared Functions
May 19, 2011Well I am a new to VB.NET, converting a legacy system to .NET world. Recently I have been reviewing the already existing code since I joined the project quite late in the team. I find that there are many shared functions (not shared class) inside many classes. I doubt this may create some problem if two requests ( i.e two different HTTP request to the same method as it's a WCF application, of course exposed methods are not shared but internally called methods are shared) comes to the same shared method and both the calls to the method may have different method parameters/arguments, overwriting each other's arguments. In short, if shared method has a list of arguments which is going to be processed, is there any chance of inconsistencies in the light of multiple access to the shared method via two http requests.
View 2 RepliesPassing Arguments To A Function?
Aug 3, 2011I am having a problem figuring this out. The text that is bold is where the problem is.
Imports Microsoft.Win32
Console.WriteLine(WMILookup("Win32_Bios","SerialNu mber"))
Private Function WMILookup(ByVal WMIClass as String,ByVal WMIItem as String) As String
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Passing Arguments To AddressOf?
Dec 25, 2010I'm currently using the code:
Public
ReplaceThread As
System.Threading.Thread<br/>
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Passing Arguments Into An Exe File For Processing?
Aug 21, 2009I want to pass text into an exe file which is named say.exe. It can convert to phonemes using the command line -lp. after the say.exe..
I need to allow user input text and then convert the text and save it in a text file which would be created as it converts...
find below the code for initiating a process below...
' passing the text saved in the file into the application
Dim ProcessInfo As New ProcessStartInfo("C:Program FilesDECtalkUSsay.exe", UserInput)
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Passing Some Arguments And Open Form?
Jan 8, 2010I have an application that I start from a sub main. Pass it some arguments and then open a form. Very similar to the log in form. Inside of this application I use 2 dll's. One I had written and another from a vendor. When I run my app from the IDE everything closes down ok. When I run my application from another application(similar to the command line start) the image of the log in box stays on the screen, until I move another window that does a screen redraw.
The process is stopped, by looking at the running process's on the computer. My next question, the dll that I wrote for it is a vb.net class(dll)... I do not have a destructor in it.. I just left the Protected Overrides Sub Finalize() alone which contains MyBase.Finalize() With my dll, could that be causing the window to keep itself drawn? Due to the two dll's connecting to device only within our network. Not sure if remote desktop or citrix causes a screen redraw.
Passing Structures As Arguments For A Fortran DLL?
Sep 11, 2010I could pass a User Defined Type data structure to a Fortran DLL, that contained Short Integers, Singles (real variables) and a series of Fixed Arrays, both short integers and real variables.I am upgrading my VB6 app to Visual Studio 2008 - VB, and I want to keep the same data structures as they are used in about 300,000 lines of code.I modified the Data Structure as follows below, making sure it is of Explicit Layout, since I want the position of all variables to be the same both in VS 2008 and Fortran.Two problems arise:
1) if the LayoutKind is Explicit, such as in the example below (only part of the data structue is shown, where "..." indicate part of omitted data structure members), whenever I try to run my app, I get the following exception message, which indicates that the VBFixedArray declared at Offset 154 is in conflict with some other object, unnamed by the exception handler.
Message="Could not load type 'MyApp.SomeStruct' from assembly 'MyApp, Version=1.32.3906.33480, Culture=neutral, PublicKeyToken=null' because it contains an object field at offset 154 that is incorrectly aligned or overlapped by a non-object field."
Source="MyApp"
TypeName="MyApp.SomeStruct"
StackTrace:[code]....
2) if the LayoutKind is Sequential, the app will start, all the data preceding the VBFixedArrays is passed to the Fortran Dll without problem; everything that follows the VBFixedArray is garbled and unusable. To check this, I have made a Fortran subroutine in the Dll to which I pass both the Data Structure and a vector; in the Fortran subroutine, all the elements of the data structure are equivalenced to individual positions in the vector; upon return from the Fortran subroutine, I compare the elements of the data structure and those of the vector.
The problem here is that the Data Structure contains some 1300 names, and is used extensively in the application, as it is the way to pass elegantly a lot of data pertaining to a mathematical model with only one adress when accessing the Fortran Dll, in which the computing engine lies.
<StructLayout
<StructLayout(LayoutKind.Explicit, Size := 9226, CharSet := CharSet.Ansi)>
Public Structure SomeStruct[code]......
Passing Variables/Arguments Between Forms?
Feb 8, 2010Also, I'm sure I explained myself well enough, but just in case I didn't, I've attached a jpg with form/control examples w/code
View 3 RepliesProcess Start Is Not Passing Arguments?
Mar 27, 2009I can connect when I go into command prompt manually and type: rasdial one username password
This will work. It will dial and connect.
Now when I try doing this programmatically it will not work. It doesn't seem to be passing the arguments I've specified:
[Code].....
Process.start Not Passing Arguments?
Oct 25, 2009I am trying to pass arguments to my wintv.exe program using the process.start command but I am getting errors...Here is one example that starts Wintv but the program does not begin to record and Wintv throws up a bunch of errors and quits.
Code:
Process.Start("c:progra~1wintvWinTV.EXE", " -c1 -ntod -startr:WinTV_(0).mpg -qdef -limit:3600 -mute")
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Passing Quotes As Arguments In Start Process?
Apr 18, 2009I'm running some command line programs through my app and I have to pass some parameters to the command line app.I'm launching the command line with Start.Process and using StartInfo.Arguments = "".The problem is that some of the parameters require me to pass quotes and when I put quotes into the compiler, it doesn't register it in the way I want it to.
View 3 RepliesString - Passing A Variable Into Startinfo.Arguments
Nov 30, 2010I'm trying to use a string variable in StartInfo.Arguments of a process, but can't figure out the correct syntax.
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JQuery Ajax With ASP.NET MVC Action: Passing Arguments From JavaScript In POST
Mar 4, 2011I have an ASP.NET MVC controller action with the following VB.NET signature:
[Code]...
If I'm trying to send an Ajax POST in jQuery to the ClosestCities action, what should my request look like? When I use the following code to POST to this action, in the debugger window of VS, position.longitiude and position.latitude are equal to 0.0 (0D):
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Passing Command Line Arguments To Already Running Single Instance App
Jan 19, 2010I have a single instance database app that emails out notifications. I would like to add a link in the emails that when clicked would open up the app and go to the section of the program that its supposed to go to. I implemented my own URL protocol so that links starting with my codewords get passed to my EXE. So far so good. I then parse the URL and pull the keyword and identifier out to open that section of the program. So if a user clicks a link like this:
MyApp:LoadCompany?ID=323
My application will start, it will grab the arguments (LoadCompany?ID=323), pass this to my load company routine and then load up company ID 323. Works great.
Now the issue is if the program is already open I still want the links to work but since it's a single instance app it just closes the second app. How can I add something ot the app to watch for this or receive a message from the second app? I know I will need to check status of what I'm doing and make sure things are saved, check security, etc but I can get all that done easily enough. I've found some examples online but none really did what I wanted them to.
Passing Arrays To Functions?
Apr 18, 2010I'm trying to pass an array from a 2D Array to a function that takes a 1D array, but each time I do I get the error Number of indices is less than the number of dimensions of the indexed array.. I know using a structure would solve the problem, but unfortunately the assignment is to use a 2D Array instead of a structure. I've declared the 2D array as such:
Const MAX_ARR_SIZE = 63
Public HouseholdCollection(MAX_ARR_SIZE, 2) As UInteger
Const IDENTIFICATION_CODE = 0
Const MEMBER_COUNT = 1
Passing Data Between Functions?
Jun 8, 2012I would like to have custom methods to pass data between function, or to keep it in memory throughout the program.
Example:
Private function info()
Addr1 = addr1.text
Addr2 = addr2.text
City = city.text
[code]....
Could I run this function towards the beginning of the program and use it throughout until the form is disposed? I can't seem to get the information to stick once I get out of the function, I will need to use the same information multiple times throughout the application so I figured if I could make a function to keep the info rather than declaring the 5 lines in every option but anytime I call the method, it fills it correctly then when I get back to the main function the info goes back to 'nothing'. is it possible to pass data around between functions like you could in Java?
Pass A Variable's Name Along With The Value When Passing Through Functions?
Jul 6, 2009I want to know if it's possible to retrieve the variables name from when it was passed into a certain function. For example, if I call parseId(myId) to a function with the signature parseId(id), i can obviously retrieve the value of 'id'. However, is there any way I can retrieve 'myId' as a string (without passing it as another value)? Specifically in vb.net, but I'm interested in how it would work in any given language.
View 3 RepliesVB, Passing And Returning Arrays From Functions?
Nov 27, 2009I ran into an error when trying to do this:
Code: ChartBuffer = GetCurrentChart(ChartBuffer) The error says Conversion from type 'Integer()' to type 'Integer' is not valid.
Apparently I have some type casting issues, the problem is I'm not trying to cast any types at all. I'm trying to set one array chartbuffer equal to the array returned from GetCurrentChart.
[Code]...
In the constructor of this class I am trying to set the buffer equal to the loaded chart because if I try to write information to a buffer that isn't already initialized, and then save it, it will overwrite stuff that might already be saved in the file as 0's or something, and I don't want it to do that. To prevent this from happening I'm simply going to initialize the buffer in the constructor by setting it equal to the loaded chart. Finally after that is all done I can write new information to the buffer and save it to the file without writing a mostly empty buffer (full of zero's) to the chart that is saved with information in it already.
VS 2008 Passing Cookiecontainer Between Functions?
Sep 18, 2009The login process to one of my sites can get fairly long code wise, so i have decided to cut the process up into maybe 3 or 4 functions, instead of all the code on 1 page.
vb.net
Function functionNavigate1(ByVal POST1 As String)
Try
[Code]....
Passing Structure As Argument Through Files / Functions
Jun 21, 2012I can't get to pass structure as argument through subs/functions in different files of single vbnet project like I use to in earlier MS basic versions.[code]File "mysetup.dat" is reachable and data is saved correctly what I can see with HxD.But read part seem's to not work as expected. Please any help on reliable passing structure as argument without too much public elements based on upper example.
View 1 RepliesPassing Null Textbox Value To A Stored Procedure (functions)
Apr 9, 2012i have a stored procedure to insert data into table create procedure insertdata
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Passing Subs And Functions With Varying Signatures Into A Class
Dec 28, 2011I have a number of unrelated subs and functions that do various things on my server (e.g. Lighting control, data caching, server maintenance, etc). They are all in various classes which I have coalesced into a single solution.My goal is to create a single, simple interface which each of these disparate classes can be integrated and called from a command line interface. Instead of hard-coding a longish case statement which parses arguments and passes them to the various subs, I wanted to make a generic class which can be instantiated with a minimum of information and put into a data structure. Ideally, adding a new function would involve:
1.) Providing the function pointer (Delegate). The delegates will have various signatures. This is the crux of the question.
2.) Providing ancillary info such as the command-line callable name, number of arguments, argument types, etc.
I have a 100% working class called "node" which is basically a hierarchical tree of node instances. I can use this to simply organize function calls in related branches. All is working quite well.NodeFunctionDelegate(ByVal args As String) As String.The node takes the arguments passed to it by the command line and sends it as the "args" string as comma-separated. The delegate function then needs to know how to split up these comma-separated values, type them, tryparse them and etc. It then must return some string.It works, but it involves writing a middle-man function stub which can receive the argument string from the node class, do the parsing and type checking, and then call the destination function.My goal is to eliminate this trivial middle-man function. The problem is, I can't figure out how to create a variable-signature delegate for the node class.
Interface And Graphics :: Passing Bitmaps & Graphics To Subroutines As Arguments
Jan 22, 2011I used to program with Visual Basic 6, so I have alot of old programs that I'm updating, plus I'm learning the new VB2008 methods. I'm writing a program that replaces the old "BitBlit" function which is no longer supported by Visual Basic 2008. It involves three picture boxes, one holds the sprite bitmap, a second holds the mask (silhouette) of the sprite bitmap, and a third has a background image.
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VS 2008 : Have A Class Where The Functions Of The Same Name Are Both Instance Functions And Shared Functions?
Dec 6, 2010What I am trying to do is have a class where the functions of the same name are both instance functions and shared functions.
Public Shared Function Get...(byval xx as xx)
and
Public Function Get...
The Public Function uses a Property xx created in the constructor, whereas the Shared Function has the parameters (byval xx as xx).
Loop And Enumerate Properties Of Nested Classes In Nested Classes?
Sep 24, 2010so far i got
code
For Each item As Reflection.FieldInfo In GetType(NameSpace.ClassWithNestedClasses).GetFields
rtfAppend(item.Name & ":" & Tab & item.GetValue(Me))
Next
For Each item As Reflection.PropertyInfo In GetType(NameSpace.ClassWithNestedClasses).GetProperties()
[code]...
which gets me the simple string vars and properties of my top class, but how can i apply this to loop through all sub classes and get there vars and props?
Excel Maths Functions And Calls To All DLL Functions Documentation?
Jan 29, 20071) Is it possible to access the Excel mathematical functions without actually opening Excel?
I was thinking of through a DLL WinAPI call or maybe a delegate function or smaller program?
2) Does anyone know of a MS link or area that gives instruction on "how to" use every function of every Windows DLL at all?
Or for all those that Microsoft have chosen to document online at least.
Differences Between VB Functions And Convert.To* Functions?
Feb 19, 2009While converting types, I have found myself using both VB functions and BCL Convert.To* methods.
E.g.)
Cstr() vs. Convert.ToString()
CInt() vs. Convert.ToInt32()
CDbl() vs. Convert.ToInt64()
etc...
Are there any subtle differences that should be noted?