I made this class:
Imports System.IO.Ports
Public Class Controller
Dim Serial As New SerialPort
Dim CurrentAzimuth As String
Dim CurrentElevation As String
Public Function Open(ByVal COMPORT As String)
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And I want to use it in a form. How do I call this class "controller" and then what code do I need to use it in a windows form?
I'm programming a class library, i want to add form but i need this form to be private so it cannot be seen from outside the library.
View 4 Repliesi would like to have a shared function in a separate class file to address the form location . but i dont know how can i get this to work. if i use this below code in my form its working . but i cannot move this to a class file.
Shared Sub Formlocation()
Me.StartPosition = FormStartPosition.Manual
Me.Location = Screen.GetWorkingArea(Me).Location
End Sub
I have put this code in the global form Inherits System.Windows.Forms.Form. And then in the form that will inherit this from the global Inherits MenuStrip. "MenuStrip" is what the global form is called. But keep getting this error: Error1Base class 'MenuStrip' specified for class 'Lesson2' cannot be different from the base class 'System.Windows.Forms.Form' of one of its other partial types.
View 5 RepliesI can't make difference between public class and private class and friend and protected friend class.
View 1 RepliesI am New to <acronym title="Visual Basic">Vb</acronym>.Net. this is my first test. i try to create small address book. but i don't know what wrong. it compile perfect but when it run it give error and not work. is there any other way to add same class like in class inside array?
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Public Class form1
Private Sub btnAnswer_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnAnswer.Click[code]........
how can i make vb realize that the side that is opposite of the given angle, has to be less than the other sides. Also im not sure what Acamar meant by If txtAngleA.Text <> "" AndAlso txtAngleB.Text <> "" AndAlso txtSideA.Text <> "" Then 'two angles and a side Because im not sure what <> does.
I've been creating short test apps repeatedly to try to understand some of the concepts in VB.NET.For the most part it has been illuminating.I read Bucky's .NET knowlegebase tutorial on passing objects as parameters to newly created forms. He shows how to create a new class that inherits from the base form class and define a New() method with parameters Extending the concept I thought about doing the same thing with a form that was created at design-time (In this case Form2).
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Can i make obejct of a VB class from C# class, if possible then what i'll have to do?
View 3 RepliesI'm trying to get the ATM Class to Instantiate on the Form class.
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ISSUE = " 'ThisATM' is used before it has been assigned a value. A Null reference exception could result at runtime"
The Other problem i am having is with a class in the program called CardReader. What am i supposed to type to let the code below be able to "read" the read function on the Form1?
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ok so i've got a Form class that inherits from System.Windows.Forms
the problem is that once i put that line in, the IDE automatically converts it into a class that has Designer enabled. how do i stop this behavior?
I designed a class contains a form that have buttons. When i click any button this function runs
Public Sub BtnClick(ByVal sender As Object, ByVal e As EventArgs)
result = CType(sender, Button).Text
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In another project I imported this class. I called the method that shows the form in my class. I need to store the 'result' variable in another variable in the new project. How can It be done.
Hi
I've got a pretty general question about the best practice in passing an object reference to a Form in VB.NET. My form is a dialog and I've created an overload ShowDialog method, where I pass an Object into it ByRef.
The trouble is, I want to be able to refer to that Object throughout my dialog Class and not just in the ShowDialog method. For instance, some of my Events for controls on the form, need to reference that object.
I know I could create a local Private variable in the Class and assign it to the passed value, and then use that value. However I'm thinking this isn't very efficient because it would (I believe) create a new copy of the Object (which is a complex, large class in itself).
What is the best way to access a value of a control within a form outside of the form class. I have a lot of functions defined in a module, one of these functions requires a series of values from controls in my main form such as the FolderBrowserDialog.SelectedPath element. I understand that these cannot be accessed in the format form.FolderBrowserDialog1.SelectedPath and that they need to be accessed using a delegate. This is the part I am stuck with.
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Is it possible to make my custom item class so that I can put it straight into a listviewitem? What I mean is a listview and I want to be able to do Listview.items(0) = Item. Or is this not possible?
View 1 RepliesI have a class "Character" that holds character stats and skills. I make a new instance of it "MyCharacter". The problem is I would like to use it like this.
MyCharacter.stat.charactername ="whatever"
Where stat is another class within Character or
MyCharacter.skill.lockpick=10, b
But I can't seem to do it.
I am working on a program where I need to read files. I won't know how many buttons I need until run time. I can't figure out how to create a button class I can call at run time. Each button will represent a file. I want each button when clicked to open the correct file and place the data into a rich text box on the form.Also, I need buttons to appear tightly in a row or multiple rows.
View 2 RepliesI need to associate a name with numbers and do a search in a text file to see how many times that number shows up and display what classroom hes in and display that in a list box.
View 1 RepliesI want to make an accelerate method that adds 5 to the speed field each time it is called?
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a common VB.NET class should look like the following:
Public Class MyClassName
End Class
Besides, I have already seen, if I remember correctly, all of the import statements visible just like in C#:
Imports System
Imports System.Data
Imports System.Linq
Public Class MyClassName
End Class
How to make these default imports visible by default in VB.NET using Visual Studio 2008?Is there some setting or the like in the options I shall set?
Having trouble accessing a dim variable inside a btOk or Load event. when I dim a variable that will be used a lot, do I need to make it a class and then referer to it?
View 7 RepliesIs there any way to make a class instance public?In my mainform I define an instance of a certain class and then later on in some other forms which appear I want to alter this class.I try and pass them through when creating new instances of these other forms and it tells me Error3<instance of the class I want> cannot expose type <the class> outside the project through class <the form I want to edit it with>Which I gather from documentation is about it defeating the purpose to have a private class suddenly be thrown aroudn.but then how do I make it public? I can't define it in the first place as public myXClass as XClass, it only accepts private.
View 6 RepliesI am a java developer that inherited a vb.net web application. This app relies on a VB class assembly that builds in to a dll. I have made some changes to this class assembly but I cant seem to get the vb.net app to pick up the changes. I thought that using regsvr32.exe or regasm.exe would do the trick but after reading a bit more they don't appear to do what I need.
When vb.net uses code such as this import where is it getting the reference to "MyClassName"?
<% Import namespace="MyClassName" %>
If we make a class and implement tostring, should we support some interface?
View 5 Repliescreated a class that adds a TextBox with some custom properties to the toolbox. But it's only available when the project I created it in is opened itself. I'd like to have available it in the toolbox at all times.
View 3 RepliesImports Microsoft.VisualBasic
Public Class DealSlot
Private mSlotType As String
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I am wanting to make a class that can be referenced in from other applications. In this class I simply want to do a showdialog to a form. That form has a ssrs pre-defined within it and a viewer all set to show the report. But when I try and define that action I get that my form is now declaired
Imports System
Imports System.Drawing
Imports System.Collections
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Hey im trying to make a DVD Player with MSWeb DVD Class , i know how to make a DVD Player but im trying to figure out how to downlaod MSWebDVD Class to Vista.
View 3 Repliesi have to make a project for my programming class in VB and this is basically what i want to do in pseudocode form
1. Display initial form
2. Choose from one of two to four choices (my discretion) via Button or radio, whichever is easier
3. once you click next, or the choice button, display next form depending on which choice and close the old form.
Generally speaking, a common VB.NET class should look like the following:Public Class MyClassNameEnd Class
View 1 Replies