Set Print Properties In A Separate Class?
Apr 18, 2009
I'm writing a program and rather than having all the print properties in the main form I'd like to have them setup in a seperate class. I've done printing before by setting all the properties in the form where all the controls are located with no problems but this has me stumped. Reason for doing this is just to try and organize the program a little better and there are several areas of the program that will have different data and format to print so this will cut down on having potentially hunderds if not a thousand lines in that one area. I can't imaging that this wouldn't be possible.
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May 13, 2011
Example:
Two files - TestClass.vb, myForm.vb
TestClass.vb looks as follows:
Imports System.Threading
Public Class TestClass
Private myClassThread As New Thread(AddressOf StartMyClassThread)
[code]....
The result:Application runs, no errors or exceptions.Displayed is the listbox and the Start button.I press the start button and a msgbox says "Not Invoked" as expected and upon clicking OK to that msgbox "Start Button Pressed" is added to the Output listbox control.Immediately following that the msgbox pops up again and says "Not Invoked". I was expecting "Invoked" as a separate thread is trying to use the Output listbox control.Of course this results in the Output.Items.Add being attempted which results in no visible result as the thread is not allowed to directly update the UI control.
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Aug 29, 2009
I am trying to load multiple single page documents and then send them all to the printer in one job. In the end I'd like them duplex printed. At this point I only need to do this with word docs, but I'd like to know if I could do it with other doc types, like pdf? What about printing a one page word document, a two page excel document and a one page pdf document? Have page 1 of the excel on the back side of the word doc, and then the pdf on the back side of page 2 of the excel.
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Dec 29, 2010
This is another one of my "I think it's not possible but I need confirmation" questions.I have a base class for a bunch of child classes. Right now, this base class has a few common properties the children use, like Name. The base is an abstract class (MustInherit)Technically, this means that everytime a child class is instantiated, it lugs around, in memory, its own copy of Name. The thing is, Name is going to be a fixed value for all instances of a given child. I.e., Child1.Name will return "child_object1", and Child2.Name will return "child_object2".
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Aug 19, 2009
I have a class in which some of the fields are also classes.I can put values in the "normal" properties, but in the others when o try to assign values it gives the: "Object reference not set to an instance of an object"But the code compiles fine.
dados_Defenicao = New ServiceReference1.draftClaimEntryDefinition
dados_Defenicao.arCode = "123"
dados_Defenicao.claimMarket.warrantyType = "w" - Here it gives the error
How can i fix this ?
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Aug 19, 2009
I have a class in which some of the fields are also classes.
I can put values in the "normal" properties, but in the others when o try to assign values it gives the: "Object reference not set to an instance of an object"
But the code compiles fine.
dados_Defenicao = New ServiceReference1.draftClaimEntryDefinition
dados_Defenicao.arCode = "123"
dados_Defenicao.claimMarket.warrantyType = "w" - Here it gives the error
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Nov 22, 2009
Good evening folks, I'm building a program that is threaded. While I can get the thread to work no problem, I can not seem to add pages to my tabcontrol from the class I'm using. Any idea's on what I'm doing wrong?frmMain is loaded first. Then the idea is to load the other tabpages using a separate thread as they take awhile.[code]
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Jan 20, 2011
I am having following Projects
ClassLibrary1
Public Class Class1
Public Sub MyMethod()
[code].....
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Feb 11, 2011
I don't want my application's main form to be displayed when it opens; I just want the notifyicon control in it to show in the taskbar.This is the code I have been using:
Module:
Code:
Module mdlStartup
Public Sub Main()
[Code]...
The NotifyIcon control is in my frmMain. However, when I run my program I get mulitple instances of the Notify Icon being displayed. I even get two frmMains getting launched if I try clicking the other tray icon that has been made. I'm guessing this has to do with the New instance.If that's the problem, is there a way I can move the notifyicon control to some completely separate class?
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Oct 11, 2011
I'm working with a form that has a lot of controls on it. Is there a way to print a list of the name properties of all the controls on a form visual studio? I need to change some control properties at run time and it would be easier to code if I had list of the names to look at.
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Feb 7, 2012
Im trying to get a ComboBox that would list all the pc on a netowrk, (Domain and/or WorkGroup)the idea is so that when i start typing the name of the pc list would come up with sugestions (nearest match)
[code]....
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Nov 6, 2008
How can I move the following to a separate class for repeated use ? (the problem is that it uses response object)
' Download/View a given file
Protected
Sub downloadFile(ByVal sFile
As String)
[code]....
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Aug 5, 2011
I have a listbox in separate class like this [code]
[Code]...
How can I use that list box that I have created in that class on this form or I want to show that listbox on my form?
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Feb 23, 2012
this example shows my problem. I'm using VB.net 2010
Public Class Form1
Public Class BonoType
Public name As String
[Code].....
What happens is "Goose" is not only stored in tory(1) but also in tory1(1), how can I stop this.
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May 4, 2010
The code below works fine when I put it in form1.vb and change "form1" to "me" but I can't seem go get it to work from my class.
VB
Imports System.Threading
Public Class Class1
[Code].....
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May 24, 2011
I'm working a business layer (separate assembly) that will contain various business entities used in multiple client applications. One of the client applications is a WCF app that will need to serialize these entities. In order to properly serialize the entities, metadata for data contracts or for XML serialization must be added, but the serialization requirements may vary across applications.
Clearly I need the metadata separated from the class definition. So how do I add metadata to my entities for each separate application?
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Oct 18, 2009
I need to be able to access a progressbar in my form from a separate class.
I tried
Dim Prog as Progressbar
Public Property Pg()
Get
[Code].....
I need to be able to access a control from a separate thread and return to the thread again.
Edit: Its just an example I gave prog a value of the object from the form and the invoke required is put in a sub so thats not my problem.
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Jun 22, 2010
I have a class, called myClass.vb. I have a sub in it. this sub has a string variable, which has got some value. Now, i want this value to be transferred to the button_click event of a very seperate form called myForm.vb.
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Apr 8, 2011
How to Programmatically use the " Photo Print Wizard" to print sets of pictures and set properties like picture style, printer name, number of copies, etc, without displaying the " Photo Print Wizard" interface[code]..
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Nov 10, 2010
I wrote a function that copies the properties of one class to another so make a copy of an object.So something like
MyObject myObject = myOtherObject.MyCustomCopy(myObject)
where myObject and myOtherObject are of the same type. I do it by bascually doing
myObject.prop1 = myOtherObject.prop1
[code]....
I am pretty sure in the past I used a .NET object that automaticaly did this, by reflection I guess, but can't remember it ... or an I imagining that such a method exists?
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Jun 21, 2010
I didn't think this would be a problem, but it appears that others also search for this solution. There is an annoying DING! when hitting the Enter key in a ComboBox in VB.Net so I sought solutions. Here is the solution I am working with. I created a new seperate Class within my Project...
Public Class ClasscboBox
Inherits ComboBox
[CODE]...
Looks good, but I am having a problem calling it from the main project. Here is what I have tried using...
Dim objcboBox As New ClasscboBox
objcboBox.OnKeyPress(KeyPressEventArgs)
However, it says thatKeyPressEventArgs is a Type and cannot be used as an Expression. I tried 'e' but no go. I am a little ahead of my classes (no pun intended) so I am likely missing something about what I am doing wrong.
I have three comboboxes so I though this would best suit my needs in the interests of writting decent code and not populating each call with repeating code.
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Feb 24, 2012
I've been searching for the answer for a while but can't find it yet. Basically so far I have a simple VB.Net form with one button.I would like to make a class or module that can handle events from the main form. This is my code so far but it doesn't seem to work.
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Jan 27, 2010
I am instantiating a form object in my code behind the dataset just to access some form level variables and to occasionally set a label in the navigator bar. Recently in the b2 Team version of VS2010 there are some strange errors thrown in the immediate window and then I'm tossed out of debug mode and back into the IDE. This code has been operating for some time in this project without this behavior. A team member has just reproduced the behavior in his development machine also.The error that starts the shutdown of the debug instance is this: Control accessed from a thread other than the thread it was created on.
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Mar 8, 2010
I've made an interface called ApprovalEvent in a separate file with the namespace myproject... I've also made a class called PurchaseOrder... it's also in the same namespace, just in a separate file. Whenever I try to make PurchaseOrder implement ApprovalEvent it always says that ApprovalEvent is undefined...
How can I make the class recognize that the interface exists but is in a different file?[code]...
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Jan 9, 2012
i 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
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Jun 11, 2012
I've got a simple tool written in VB in VS 2010 that has a series of command buttons which run Windows command files and the output is sent to a Rich textbox object on the main form (the comand files take awhile to run so I wanted the output to show up in the RTB as it was produced to show progress). All worked well until I made an update to the tool so that the series of buttons are no longer hard-coded, but created dynamically from information in the app.config file. To do this, I use a button
[Code]...
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Nov 16, 2011
Can we write all the control events in a seperate class file in different layer rather than in code-behind of web-page ?
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Jan 22, 2010
as you might guess from the variable names I'm making a game (but this problem isn't game related!) which involves multiple "bullets" moving along straight trajectories. This is my attempt at changing my code for firing one bullet into one for firing many bullets at once. It works perfectly except for one thing.The class I made (BulletClass) to contain all the things needed to move the bullet isn't setting all of its properties correctly. I apologise for the walls of code however I wasn't entirely sure whether I should chop bits out. I wanted to colour code my code so that you could scroll through and see the subs where things have gone wrong, but apparently I can't even code a new thread. Let alone a video game. Instead I'll just list them, you can search for them if you like or just scroll through at your leisure.
[Code]...
In a nutshell: the properties TargetPosY, TargetPosX, ShipPosX and ShipPoseY are not working properly. As a result the calculations involving them are skewed and the bullets always travel directly downward.
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Feb 7, 2009
I've got a Dictionary collection of a certain class with dozens of string properties.i'd like to create a datatable from this info and map these properties into Datatable columns, and for each member of the dictionary maps it to a row...
i could type out column names based on the class properties, but thats a bit specific and hard coded.
What I want to do is something like
Dim mytable as datatable For each string_property as property of myclass Dim column as new datacolumn(string_property.name) 'column add to table etc Next I'm unfamiliar with how to do this, maybe the Reflection classes are useful - perhaps the guru's can point out an efficient solution?
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Jun 9, 2010
Is there a way to clear all the properties in a class, because i have a class where all my properties were stored, can i clear all those in just a short code?
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