List(of Object) With Custom Add Action?
Dec 5, 2011Looking to have a list(Of object) where i can make my own Add method, so i can do some stuff to an item when added
Is that possible at all, been looking at the net and haven't found anything.
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List Of New Custom Object?
Sep 2, 2010I created a simple (for now) custom object:
VB
Public Class Form1
Dim AllPartFiles As List(Of Part)
[code]....
As I search a folder for files, it returns FilePath as a string for each file in the folder, then assigns a new Part.FullFilePath to the current returned FilePath, then add the Part to AllPartFiles list. So I can retrieve each Part from AllPartFiles later. But everything I try doesnt work.I know below is wrong, but might show what Im trying to do:
VB
Dim Files() As String
Files = System.IO.Directory.GetFiles(RootFolder, "*.ipt")
Dim k As String
[code]....
Create a New Part, change its values, and then add it to AllPartFiles list for later, then repeat?
Accessing Objects From Within A Custom Object List
Mar 3, 2009OK - for starters - I'm not even sure that the title of this thread accurately describes what I want to do - but I had trouble verbalizing it. So I will give this a try: In my application, I have a custom object, call it myObject. In addition, I have another custom object called myObjectList which is basically a List(Of myObject).
Up until this point, all of the functions that I have been working with in my BLL and DAL have been shared - I haven't needed a specific instance of my object thus far. I currently need to write a function that finds a particular myObject within myObjectList and returns to me myObject. I know that the List(Of T) has a find method, but from what I have read so far - I don't think it is what I want (doesn't it return true or false? -and also, do I need an existing object to pass to it to see if it is in the list?)
[Code]...
Bound To A List Object Of A Custom Type Via A BindingSource?
Nov 11, 2010I have a datagridview that is bound to a list object of a custom type via a BindingSource. From everything I've read, I should be able to click the column headers and the rows sort, This doesn't happen for me. Sortmode is set to automatic and the column headers aren't set to be used for selection so it should work.
I know that I could sort progamatticly but that seems a little bit of a waste given that I should just be able to do it by default.
Sorting A List Based On An ArrayList Within A Custom Object
May 24, 2010I am using a list to keep track of a number of custom Row objects as follows:
Public Rows As List(Of Row)()
Row has 2 properties, Key (a String) and Cells (an ArrayList).
I need to be able to sort each Row within Rows based on a developer defined index of the Cells ArrayList.
So for example based on the following Rows
Row1.Cells = ("b", "12")
Row2.Cells = ("a", "23")
Rows.Sort(0) would result in Row2 being first in the Rows list. What would be the best way of going about implementing this?
Using List Of Custom Class Object As Data Source For Crystal Report
May 24, 2011I am trying to find way to design a report using my own custom class. I found links:
1.) How to work in Crystal Report with Object Data Source?
2.) Use .net object as data source in Crystal Report 2008
3.) Binding object with List<> to Crystal Report
4.) How to assign Custom class as datasource in crystal report
They were quite helpful, but I have been stuck in the first step while designing report as my custom class's property is not listed in field list of crystal report design view.[code]When I add my class objects to crystal report I do not get the usertype field from users class in field list.So how can I add usertype field to my field list? Or do I have to take another approach?The reason i wanted to use it as i am:
1.) Showing a form where user can type keyword
2.) program filters the records as per keyword using LINQ
3.) when user clicks the print button, I want to set the filtered records as datasource of my report
Custom Action To Send Email?
Jan 12, 2010I currently have a Win32 deployment package that I would like to include a custom action to send an email or contact a web service, is this possible?I know I can create a custom action to call an executable but I would prefer not to use this method and was wondering if i can send an email or call a webservice directly from the custom action.The reason I wish to do this is so that I am notified when the end user install's the package.
View 1 RepliesHow To Add Custom Action In C# Setup Project
Sep 20, 2009How to add a custom action in C# setup project as creating a database in sql server by making selection of local or remote server during installation?
View 5 RepliesHow To Get The Installation Directory In A Custom Action
Dec 9, 2010I am using Visual Studio 2005. I have just figured out how to create a Custom Action during installation, but I can not figure out how to get data from the installer. Following is the simple test code that I am trying to use to call the directory that the user defines during installation, but the Path string is not returning anything.
Public Overrides Sub Install(ByVal stateSaver As System.Collections.IDictionary)
MyBase.Install(stateSaver)
Dim Path As String = MyBase.Context.Parameters("targetdir")
Dim AppConfigFile As String = Path & "FilesAppConfig.txt"
MsgBox("The target filepath is: " & AppConfigFile)
End Sub
I have tried many other things, such as...
Me.Context.parameters("targetdir")
stateSaver.item("targetdir")
And I entered /INSTALLDIR="[TARGETDIR]" in the custom action data property.
.net - Using Action(Of T) Over A Custom Delegate Syntax For Readability?
Jan 7, 2011Since .net 4.0, is the new ettiquette to use syntax such as:
Private Sub Main()
MyMethod(AddressOf AnAction)
End Sub
Private Sub MyMethod(ByVal toDo As Action(Of String, Integer, Boolean))
toDo.Invoke("Tom", 1, True)
End Sub
Private Sub AnAction(ByVal p1 As String, ByVal p2 As Integer, ByVal p3 As Boolean)
End Sub
[Code]...
This goes the same with Tuples/Func too. It is nice to write but feels a bit sloppy in places. Why would anyone want Tuple(Of T, T2, T3, T4) over a nice class type? My actual piece of code has these nested, so it passes the Action along in a chain of methods.
Sorry for the VB example, AddressOf is just VBs way of saying new Action(AnAction). Also I just wrote this into the browser so it might not compile either.How to people feel about reading and using these compiler generic actions as opposed to proper special entities crafted for their exact requirements in the solution?
VS 2008 Custom Uninstall Action Not Executing?
May 26, 2009I've created a program that creates a registry value when it is run, and when this program is uninstalled I need it to remove this registry value if it exists. So I wrote a little command line VB.NET program that simply checks for the reg value and removes it if it exists and I added this to the Uninstall section of the Custom Actions tab in the Visual Studio deployment project that I created for this app.
I know that the command line app works because if I run it myself manually it deletes the registry value, but when I uninstall my application it does not remove the registry value so obviously this command line app is not being executed.
Custom Action, Uninstallation Removes Added Registry Key?
Sep 12, 2009I've made a small program that creates a registry item in the users run key (basically starts the program on bootup), my question is does anybody know how to remove the item from all the users of the computer when the program is uninstalled?.
I know that all the other users registry hives aren't loaded at anyone time and feel a custom action dll that runs on uninstall that iterates through the 'documents and settings' folder loading the hives one at a time and removes the registry key.
Kill Program When A New Version Is Being Installed Through The Installer Using A Custom Action
Oct 2, 2009I am trying to kill my program when a new version is being installed through the installer using a custom action.
[Code]...
Setup Project For A Windows Service - Pre-Install Custom Action?
Jan 4, 2012I need to install a windows service via an .msi for many tablets which is nooooo problem. The problem is, the tablets currently have the service running which was installed by installutil. So when my installer runs, regardless of Remove Previous Version is true, it stops stating the service already exists and to uninstall it from Add/Remove Programs.So I wrote a console app which preceeds the primary output as follows:
Sub Main()
Try
Dim filename As String = "C:Program FilesRSCProjectServiceSetupRSCProjectService.exe"
'Dim filename As String = "C:RSCProjectServiceRSCProjectServiceinDebugRSCProjectService.exe"
If System.IO.File.Exists(filename) Then
[code]....
List Of T Find Date Or Other Property In A Object In The List - Then Return Found Object?
Sep 3, 2009After reading all the examples for list of T exists and Find and find first, none show how to handle multi-property objects. Below is bare bones example maybe someone could flesh out to show how this should be done.
Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim DatePriceList As New List(Of DateAndPrice)
DatePriceList.Add(New DateAndPrice(Date.Parse("1/1/2000"), 10.12))
DatePriceList.Add(New DateAndPrice(Date.Parse("1/2/2000"), 11.12))
[Code]...
Record The Time Of An Object's Action?
Sep 29, 2011Private Sub MyXbeeZB_XbeeZBIODataSampleRxIndicatorEvent() Handles MyXbeeZB.XbeeZBIODataSampleRxIndicatorEvent
Dim MachineNumber As Integer
For j = 0 To i - 1
If MyXbeeZB.XbeeAddress64 = XbeeAddress64Array(j) Then
[code]....
VS 2008 : Get Object Name And Simulate Its Action?
Oct 18, 2011I have one executable application (*.exe) compiled in Nullsoft's NSIS. So what I need is to get object name for 'Next' button and simulate it's action [basically what I mean is to create button in VB and when I click it it will go to the next page of Nullsoft NSIS Installer in Nullsoft Window].
View 4 Replies.net - Action(Of T) In VB In List(Of T).ForEach?
May 21, 2009I have searched high and low for documentation on how to use this feature. While the loop I could write would be simple and take no time, I really would like to learn how to use this. Basically I have a class, say, Widget, with a Save() sub that returns nothing. So:
Dim w as New Widget()
w.Save()
basically saves the widget. Now let's say I have a generic collection List(Of Widget) name widgetList(Of Widget) and I want to run a Save() on each item in that list. It says I can do a
widgetList.ForEach([enter Action(Of T) here])
....but how in the F does this work??? There is no documentation anywhere on the intrablags.
Display A List (Of Object) Which Has Single Objects And Child List (Of Object)?
Sep 6, 2011Limited to using v2.0 of .Net framework (we use VB.net) due to environmental constraints on our servers.I've got an ASP.net webpage which pulls data from a webservice that performs checks on user accounts in active directory. Operators can check multiple accounts at one time using the web interface. The webservice returns a list(of AccountCheck) objects which themselves contain single properties like username, email address, and List(of AccountError) objects which contain multiple properties.[code]What I want to do is using some kind of repeater, create multiple panels or divs which contain labels showing the username, email etc, and a gridview which has the accounterror list bound to it to show all the errors. The users could be checking 2, 5, 7 accounts at once, and is dynamic.
View 2 RepliesInvoking Onmousedown Action Of Object In WebBrowser Control
Aug 21, 2009I need to trigger the onmousedown property of a table contained on a web page presented in the WebBrowser control of my form.The site is a nested frames mess, but in this particular frame the tables are basically used to create large, context buttons. In other words, you click the table and are navigated to a subform.[code]At first I thought this might be handled by using InvokeMember("click"), but that has no effect. If I try InvokeMember ("onmousedown") I receive a javascript error on the page. Can anyone tell me if/how one invokes the onmousedown property of an object inside of the WebBrowser control?
View 4 RepliesCombo Box - Action When Entered Item Not In List?
Jan 6, 2011I hope this question is sufficiently clear I'm trying to port an application that I wrote in Access VBA to VB 2010 express and SQL Server. In Access, when the user enters an item in a combobox that is not in the item list an event is fired ("not in list") from which I can set up records in related tables. How can I do the same in VB? I can't see any equivalent to the "not in list" event.
To be more explicit with an example. An address consists of Street, e.g. "23 Acacia Drive", Town, e.g."Wilton" and County, e.g. "Oxfordshire". When entering a new address, the form first requires a street entry in a text box. Next, a Town entry in a combo box which is populated with towns already in the address table. If an existing Town is selected the (previously disabled) County field is automatically filled from that town's County as read from the database. If a new Town is entered the County field is enabled and the user either selects an existing County or adds a new one which is added to the database using similar logic on the not in list event.
[Code]...
Cast A List Of Object To List Of Interface That Object Implements?
May 19, 2009I am working in VB.net and have a Class, Foo, that implements an interface, IBar.I have a List of Foo's, but I need to pass a list of IBar's into a function, but I keep getting casting errors, even when I use DirectCast.My code is [code]MainWorks works, but it would be really annoying and inefficient to have to do that everywhere I want to call this function.
View 4 RepliesWpf - Object Reference Not Set To An Instance Of An Object When Using Custom User Control
Feb 10, 2012I have created a custom user control (JCUserControl), and I am using it in the Main Window. And my Main Window has no codebehind. I have this in the JCUserControl codebehind:
Private Sub ImmediateRadioButton_Checked(sender As System.Object, e As System.Windows.RoutedEventArgs) Handles ImmediateRadioButton.Checked
SomeTextBox.IsEnabled = False
End Sub
When I run it, it fails with the NullReferenceException. If I comment out the SomeTextBox.IsEnabled = false, it runs without any problems.
Edit: Found out that I could just check if the radio buttons are loaded before doing whatever I want to do.
Private Sub ImmediateRadioButton_Checked(sender As System.Object, e As System.Windows.RoutedEventArgs) Handles ImmediateRadioButton.Checked
If ImmediateRadioButton.IsLoaded Then
SomeTextBox.IsEnabled = False
End If
End Sub
C# - Custom Message For Object Reference Not Set To An Instance Of An Object?
Dec 1, 2010We have a huge windows application with poor exception handling. The application throw object reference error from lot of places and the system error message is showing to users as it is using message boxes.
I am looking for a simple solution which can be used to replace this message to something user friendly for the entire application
.net - Silverlight Datacontext, Repeats All The Past Commands/action Each Time A New Action Is Performed On It
Mar 28, 2011a datacontext defined in a module(domain services ado.net ria)a page having add/delete methods whenever any method is executed, it is found that all the previous actions (NEW RECORD ADDITION and DELETION OF RECORDS) are carried out before the new action is carried out normally
this behaviour is not prominent but "when using break points and inspecting the values of the variables and table object to be added to context, it is clear that all the previous actions take place again. even when the datacotext. savechanges is called, even after that still all actions carried out on the datacontext repeat themseleves, when any new action is to be carried out
Add Folders And Files In To MSI And How To Access That Added Files In To Custom Action Of MSI?
May 24, 2010Actually I want add some folders and files to MSI. Through custom action i want to copy that added folders and files to some destination/target folder.
View 1 RepliesPass Generic List To A Function That Has A Custom Defined List
Apr 7, 2011it seems always at this time I cant figure out how to do something maybe it has something to do with lunchtime.
Im having trouble using a method that is defined by an outside company
This is a link to their integration guide:
[URL]
This is their documentation for the class Im trying to use
OrderQueryWebService Class
This class is for SID in particular and is made for use with the notification methods. This is for the Order Query Web Service specifically, allowing clients to return the status of transactions for their merchant, whenever they want to.
Methods
/ <summary>
/ Pass through the variables required and receive a list of Transaction
objects showing transaction status
[Code].....
The MerchantCode, the MerchantUsername, the MerchantPassword are all good the List is a custom type called SetComHash.Transaction
Everytime I try adding a string to the list such as the transactionNumber and some other values it gives me a type error:
"Value of type string cannot be converted to 'SetcomHash.Transaction'
Convert Custom JSON Object To A .NET Object?
Apr 5, 2012I have a JSON object that looks like this.
{
"Errors":{
"err1":[
//* Array of err1 objects
[code]....
PD: I'm currently using Newtonsoft's JSON.Net library.
Public Sub New(ByVal jsonText As String)
Dim jObject As JObject = jObject.Parse(jsonText )
Dim jErrors As JToken = jObject("Errors")
Dim jS = New JsonSerializer()
[code]....
How To Quickly Transform A List(Of Object) Into A List(Of "Object.field")
May 29, 2012Suppose I have a list of Cat.
Public Class Cat
Public Property id As Guid
Public Property name As String
Public Property race As catRace
End Class
How can I quickly transform this List(Of Cat) into a List(Of Guid) using the id property?
I could do :
Dim newList As List(Of Guid)
For each item in catList
newList.Add(item.id)
Next
But I think there must be a way to do this faster (1 LOC). I just can't find how.
VS 2010 Custom Type Array / List With Adding Items And Specifying Custom Type Variable
Jun 21, 2011I recently downloaded VB 2010 Express so i am quite new to the language, but i have worked with dark basic, which seems to b very similar.Anyway, my problem is that i cannot seem to correctly set out my array of a custom type/class. i am trying to create two arrays, one of available entities and another of selected entities of which the user selects the entities to be dealt with in irrelevant ways. i have creates a button (called test) which adds some entities to the available list and all the entities come back the same value but they shouldnt be as you'll c in the code. i have run the step into command a found that "available.item(#).Name = " will change all of the entity's names.As of current i am working with lists as the array kept asking for a 'new' statement but i couldnt figure out where to put it.[code]
View 7 Replies