Wpf - Get The Object That Called (executed) .net Subroutine Inside Object?

May 27, 2010

I'm trying to extend my new WPF Touch Screen Keyboard (DLL) Library, to allow the user to get events from the Touch Screen Object. I'd like to be able to tell the Programmer what Object made the call (or executed the subroutine) that raised the event. Not dissimilar to the Sender as Object event parameters one gets when working with a System Object. Which begs the question, How do I get that information, if I don't ask for it?Is there a way to get this information from some call made in the subroutine about to raise the event?

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Wpf - Get The Object That Called (executed) My Vb.net Subroutine Inside My Object?

Mar 31, 2012

I'm trying to extend my new WPF Touch Screen Keyboard (DLL) Library, to allow the user to get events from the Touch Screen Object. I'd like to be able to tell the Programmer what Object made the call (or executed the subroutine) that raised the event. Not dissimilar to the Sender as Object event parameters one gets when working with a System Object. Which begs the question, How do I get that information, if I don't ask for it? Is there a way to get this information from some call made in the subroutine about to raise the event? That would be nice, and a time saver for me.

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Programming Paradigm Called OOP - To Be An Object Or Not To Be An Object ?

Feb 25, 2012

I am in the process of learning this new programming paradigm called OOP (I am a very seasoned structured programmer). In that context I am receiving what I call contradictions in vb.net regarding the instantiation of an object. Given the two lines of code below:

Dim SQLcmd As New SqlCommand
Dim SQLdr As SqlDataReader

The first line is quite simple - SQLcmd is an object - period. It is the second line that is creating the ambiguity. One reference I have read says in order for a class to instantiate an object the key word "new" must be used. But I have also seen examples where SQLdr is also called an object? To add to the ambiguity I have seen class examples where the class was constructed without a new subroutine (a constructor) and called with the key word "new" which I have been informed by vb.net on more than one occasion in doing such that "there are no constructors" in the class. So would someone please tell me - Is SQLdr an object and if so is it by inheritance (the other escape path) or what; and lastly am I correct in my understanding that in order to use the key word "new" there must be a "new" subroutine/function/constructor in the class.

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App In Wn7 - COM Object Gets Executed Fine But Never Shows Up On The Screen

Sep 28, 2011

I am a recent newcomer to VB.net, having moved from VB6 this summer. I am using VS2008 because I also need to develop for WM6 on a ruggged pocket pc. I am not a commercial developer. I only develop apps for my own use, so I can live with some things that I could never survive with on a commercial basis. I developed an app that automates a COM object on my 32 bit WinXP machine. The app runs as expected, whether from the VS2008 IDE or from the executable in the bindebug directory where the supporting files are located. When I installed VS2008 on my new laptop, a 64 bit Win7 Home Premium system, the app still runs fine from the IDE but not from the exe file in bindebug. The problem is that the COM object gets executed fine, but never shows up on the screen.

[Code]...

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De-serialize Object Inside Object?

Dec 6, 2011

Is this possible?

Public Class Foo
public var as string
public sub Load(byval filename as string)

[Code]....

Up until now i've had a function that that returns Foo as Object (I'm trying to make the serialize / deserialize process general so I can just copy and paste and avoid explicitly setting each variable)

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XML Serialization Of Object With Other Object Inside .net

Nov 29, 2010

I'm trying to XML-serialize a class the properties of which I use to format a document.Basically, it is a class for the document's header and another class for its rows. url...In this class diagram, the class I want to serialize is ExcelPrintCorte that inherits its methods from ExcelCabec and has a private member ExcelPrintDocumento (and a public method to get it).My purpose is to XML-serialize ExcelPrintCorte and save the inherited properties' values and also the properties' values of ExcelPrintDocumento. I followed many guides to XML-serialize an object but it saves nothing but: [code] So, what am I doing wrong? Or is what I'm trying to do not possible with XML serialization?

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Flattening An Object Hierarchy Using A Shim Class - Initializing Derived Object Properties From The Base Object?

Jul 10, 2010

I am somewhat new to object oriented programming and am attempting to flatten a Linq object hierarchy by using a shim class.how to initalize a derived class with property values from a base class?I have two objects, a base object with about 100 properties, and a derived object which inherits from the base object and adds a few additional properties beyond those of the base object. My simple constructor creates the derived object, but I am looking for a way to initialize the derived object properties with values from the base object.Right now I am using reflection to iterate over the properties individually and I suspect there may be a better way. The following example shows my shim class constructor for the derived class, and two properties:

newProperty1 - a new string property of the derived class

flattenedProperty2 - a new string property of the derived class, copied from a 2nd-level object of the base class

Code example:

Public Class derivedObj
Inherits baseObj
Private _newProperty1 As String[code].......

Is this the correct constructor approach to flatten the object hierarchy using a shim class? My second question relates to initialization of properties in the derived class. The constructor above creates the derived object, but what is the best way to initialize the derived object properties with values from the base object? The following code uses reflection to iterate over the properties individually, but I suspect there may be a better way.

Code example:

' property names are in the string array fieldNames

'baseObjQuery is an ienumerable of baseObj

'derivedObjList is a list of derivedObj[code].....

Is there a simple way to initialize values for the properties in the derived object based upon the values of the common properties in the base object?

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Open Up A Project In Vb It Called An Object Browser?

Jun 1, 2009

This is just a general question, I need help with something on Visual Basic 2008. I do not know why, but as of late every time I open up a project in Vb it gives me something called an object browser. I try to find my forms so I can work on my program, but I can't find them. Has anyone else had this problem or knows how to fix it? I can't get to my forms!!

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Change ContextMenuStrip Item Depending On What Object The Menu Is Called Over

Feb 24, 2011

I have a ContextMenuStrip that is attached to a DataGridView, how can I change the text of an item in the ContextMenuStrip depending on the value of the cell in which the strip is activated over?

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Page_Load Subroutine Is Not Being Called?

Jan 19, 2011

have a look at my VB/ASP code and tell me if you can see what's wrong (I highlighted the important segments in red):

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd">
<%@Page Explicit="true" Language="VB" Debug="true"

[Code].....

Basically, I'm trying to get the Page_Load subroutine to execute on the page load, but it doesn't seem to be called. I'm assuming that because I set my feedback label to "feedback" in the Page_Load subroutine, I should see it displayed on the page saying "feedback" on first loading the page and every time I refresh. But this doesn't happen. I'm lead to conclude that the Page_Load subroutine is not being called on the page load.

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Page_Load Subroutine Not Being Called

Jan 19, 2011

VB/ASP code and tell me if you can see what's wrong (I have bolded the important segments):

[Code]...

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What Would Cause A Query To Be Executed Before Transaction.commit Is Called?

Nov 19, 2009

I'm trying to run a transaction and I'm having some issues. What would cause a query to be executed before the transaction.commit() is called? Is there a specifice order that queries should be ran when working with a transaction? I have 1 update query that will always execute no matter what, before the .commit() is called. [code]

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Dynamic Control Called From Vb File Code Raises Object Reference Error

Jan 7, 2010

In a ASP.NET app from a procedure IN a VB code file a dynamic control is called. The first problem may solve the second. In the following line of code I am getting an "end of statement expected" error at the following line.

[Code]....

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Write A Unit Test That Verifies A Subroutine Is Called?

Dec 20, 2010

Public Class Class1[code]...

Granted this example is pretty weak, but how could I write a test method that to prove that CallThis() gets called everytime that the input parameter s = "S"?

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Using Variables Inside Object Names?

Oct 6, 2008

This is my first post here at Xtreme VB Talk. I just started programming 2 semesters ago. I am currently working on a program but I am having a little trouble with the length. I am trying to take the integer entered in a text box and using it inside the name of another object.

[Code]...

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Catch Event Of An Object Inside A ComboBox?

Jun 7, 2012

So basically I have a ComboBox on a form, which I populated by adding custom object named "Category" and by setting the DisplayMember to the property "Name" of my object.On another form that can be opened at the same time, I can edit the name of theses "Category" objects. I raise an Event, "NameChanged" but how can I catch it on the form which contains the ComboBox? Even if the property "Name" of the object "Category" change, the display on the ComboBox doesn't autoupdate. So I need to catch the event, but I don't know how to do it.

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Check If An Object Is In A Certain Area Inside A Form?

Mar 29, 2012

How would i check if an object is in a certain area inside a form?

-----------------------
0
----------------------

For example lets say 0 = radiobutton1, inside a forms. What would be the best method to check if the radiobutton lies within this region?

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Instantiate Object Inside Class Definition

Jun 22, 2010

I see a sample code that an object is instantiated within the class definition block. But when I test the folllowing, I got error "Process is terminated due to

[Code]...

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Referencing An Object Inside An Array In Runtime

Dec 30, 2009

i'm trying to reference an object dynamically inside a loop; something like this:[code]

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Modify An Embedded Excel Object Inside A Word Doc

Nov 5, 2010

I need example code or even a 3rd party object that will allow me to get to an excel object embedded in a word doc. I have already tried Aspose and they do not have the capabilities yet. Has anyone done it or do you know of a 3rd party object that will?

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Error - LINQ To Entities Does Not Recognize The Method 'System.Object IIf(Boolean, System.Object, System.Object)'

Jul 29, 2011

I am getting following error whenever I want to use IIf function inside entity framework query.

LINQ to Entities does not recognize the method 'System.Object IIf(Boolean, System.Object, System.Object)' method, and this method cannot be translated into a store expression.

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Asp.net - DragDrop Event Not Firing On Object Inside Usercontrol (but DragEnter Does)

Feb 12, 2012

Well the title pretty well describes my problem. Here is a little bit more detailed description of my problem: I am building an application with a TabControl, which I populate at execution time with TabPages. In my first version of the code, these TabPages were filled with a children ListView. The ListView was also created in code, using AddHandlers to link it to the DragEnter and DragDrop routines. Everything worked very well... Now as I need some other controls on every TabPage, instead of creating every single control in code, I have created a UserControl containing a ListView and a few Buttons, which I instantiate for every new TabPage. The problem now is that the DragDrop event is not raised anymore

[Code]...

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Calling A Function / Assign Property Of An Object Inside An Array

Oct 5, 2010

So if I create an object test, and it has a property color. When I add this object to an array list I typically can access this using myarray(0).color but intellisense doesn't 'know' that I have a 'test' object inside the array. It would let me type myarray(0).whatever but would then crash if I made typo. It seems like I should be able to let it know what type of object I am trying to work with inside the arraylist. In code maybe something like this

[Code]....

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Doesn't The OLE Object For MS Access Show Inside The Preview Data For MyDatabase?

Oct 11, 2009

when I inserted a DataBase into my Project. I went to the preview data dialog box and I can only see Field1 "text" but not field 2 "Bitmap Image"it says unable to display the given data...

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How To Searching Part Of Object Inside Array List Without Looping Method

Feb 10, 2012

I save the client data into an array list. How to find part of data(currentIP) inside the array list(clientList) with fast method? [code]

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Method 'System.Object CompareObjectEqual(System.Object, System.Object, Boolean)' Has No Supported Translation To SQL.?

Apr 16, 2010

What do I need to convert?

Dim CEESearchByAppNo = From CEEsearch In dbCEE.tblScanneds _
Where CEEsearch.AppNo = iAppNo

[code].....

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Calculate The Direction An Object Is Facing In Degrees If Object A Is At X1, Y1 And Facing Object B Which Is At X2, Y2?

May 8, 2009

How do I calculate the direction an object is facing in degrees, if object A is at x1, y1 and facing object B which is at x2, y2?

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Exception Found - Cannot Access A Disposed Object. Object Name:'System.Net.Sockets.NetworkStream'

Dec 31, 2009

Occasionally I encountered this exception message while trying to download file from a server using System.Net.FtpWebRequest and System.Net.FtpWebResponse Object.

Download a file.ftpRequest_DL.Method = WebRequestMethods.Ftp.DownloadFile get the response object
Dim ftpResponse_DL As FtpWebResponse = CType(ftpRequest_DL.GetResponse, FtpWebResponse)

[Code]...

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Object Scope - Lose The Object In Selected Date Change Event In Calendar

Oct 18, 2010

If I declare my object at the beggining of my page class, and instantiate it in a dropdownlist selected_index change event. Shouldn't this object be available thru out the entire page and also persist thru a postback? I lose the object in my selected date change event in my calendar.

[Code]...

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Very Simple Ssis Script Transformation Giving Object Reference Not Set To An Instance Of An Object

Mar 1, 2012

I have an ssis package that takes a flat file and dumps it to SQL. During that process, 150 columns need to have '-' and '.' removed from them. I have done this using a Script Transformation.

Public Overrides Sub Input0_ProcessInputRow(ByVal Row As Input0Buffer)
Dim column As IDTSInputColumn90
Dim rowType As Type = Row.GetType()

[code]....

Edit I've discovered that this line is the problem

Dim strCol As String = columnValue.GetValue(Row, Nothing).ToString()

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