VS 2010 A Real Stumper - DLL & Imagelist
Jan 19, 2011
I am working on a DLL to do PDF manipulation. In my DLL I reference the itextsharp DLL. (ie. a DLL in a DLL) In my DLL I have a form with an imagelist on it. Now here's the strange part. if I put an image in the imagelist in design mode & run the program I get this error:
Error1Could not load file or assembly 'file:{full path}/itextsharp.dll' or one of its dependencies. The system cannot find the file specified. Line 141, position 5. Error2Unable to open file 'D:VBProjectsDLL_DemoMyDLLobjReleaseMyDLL.Form1.resources': The system cannot find the file specified.
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Feb 7, 2011
I have created a very basic web service in vb.net using vs 2008. When I run the service within visual studio debugger, the service runs fine and gives me the expected results. When I deploy the service to the server and invoke it from a client, it always throws a NullReferenceException error when trying to access the data. More specifically when I call the DbConnection open() method within a dbhelper executeScalar method.
I'm using a custom dbhelper class I found on the web here: [URL] The only thing I've changed is the _factory at the top points to Providers.Odbc (since I'm using a ODBC connection). Like I said previously, the service (and the dbhelper class) work as expected within VS- it's only once I deploy it that it seems to bomb out. I've even tried hard coding the connection string in case it was having problems getting that but no difference there.
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Aug 26, 2011
I have a picture viewer with listbox,listview,picturebox. I used code snipets and modified them for about 3 weeks now. It works pretty good too i think. But when i add images as thumbnails to my imagelist from openfiledialog i can only add about 75 images any more and i will get a out of memory error. Or if I add say like 50 twice the second 50 added will have the right names but not the right image. My question is. Is there a way to load some images pause then load some more by code for about 250 images so that the loading could clean some memory? And or code where i could add aditional images to the imagelist? And i just cant stop trying to get this Picture viewer to work right.
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Jun 27, 2011
I'm building a very small and minimalist Movie Collector application. In the Movie Adding dialog, you can select movie's poster. Movie poster is adding to the ImageList.Movies are listing in the main window as ListView thumbs (large view). First time is no problem;
No Problem after the adding but restarting program, no thumbs in the items.
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Apr 5, 2011
I need to get the integer of an image which is located in an imagelist. Dim _blue As Integer = CInt(frm_main.Imagelist1.Images.Item(1)), but image can't be converted to integer.
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Apr 24, 2012
I'm building a virtual blackjack game and I'm having difficulty assigning values to the cards. I've set up picture boxes for the dealer's cards and the player's cards, and i've linked those picture boxes to an ImageList that contains all of the cards (+ the picture of the back of the card, since you only see one of the dealer's cards to start out with). When you hit the "Deal" button, I have the following code so far:
Private Sub btnDeal_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnDeal.Click
Me.btnHit.Visible = True
Me.btnHit.Enabled = True
I have a section at the top that has labels saying: "Dealer's Showing ______", "You're Showing ________"how to assign values to the indexes/items of the imagelist? For example, items 0-3 have a value of "2", items 4-7 has a value of "3", and so forth...
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Feb 1, 2012
In a WinForm application, if you want to get the IP address of the machine the code is running on (for instance, to log in the database what the IP address is when a user deletes a record), I would use this
Dim xEntry As System.Net.IPHostEntry = System.Net.Dns.GetHostByName(System.Net.Dns.GetHostName)
Dim ipAddr As Net.IPAddress() = xEntry.AddressList
blIP.Text = ipAddr(0).ToString()
While the code works, and it returns the correct IP address (for example: 140.139.138.137), Visual Studio doesn't like that code, and tells you that GetHostByName is obsolete, and needs to be replaced with GetHostEntry.
But if I do that, then I get back something that does not look like an IP address:
fe80::28ba:e091:1056:949f%11
So my question is, if I'm not supposed to use GetHostByName because it's been replaced by GetHostEntry, how come GetHostEntry doesn't give me the IP address?
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Dec 26, 2010
I just want my program to use random english words in some task and I was wondering if vb.net has access to the OS's english dictionary?
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Jun 15, 2010
I have code a sample program. and protect it with Xenocode,It's weird That I can't get the real filesize of the protected file.the code I use to detect filename and filesize is below:
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim fileDetail As IO.FileInfo
fileDetail = My.Computer.FileSystem.GetFileInfo(Assembly.GetEntryAssembly().Location)
MsgBox(Assembly.GetEntryAssembly().Location)
MsgBox(fileDetail.Length)
End Sub
When it startup. It does not show the correct file size "359,833"of this exe instead of a smaller value."20480". Even I define filepath to a real path such as "C:WindowsApplication3.exe" and detect C:WindowsApplication3.exe,'s file size it shows 20480 too. seems something wrong with file.length method. With Assembly.GetExecutingAssembly() also return false value of file length.
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Feb 13, 2012
On VB.NET 2005 and 2008, if you were debugging you could roll over the variable you set as an array and a little "+" would pop up next to the array variable and you could click it and see all of the data loaded into the array.
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May 24, 2010
connected to my Arduino. Using the VB.NET (2010) GUI I request which LED I want on (via buttons) and the I2C device then sends a reply confirming which LED actually turned on (basic feedback). Ok, sounds great right? Here's where I get issues. Well when I try to read the serial data sent to VB and display the real-time stream on the GUI, a) I get a bit of a mess as an output (values are ok, just spewn across GUI) and b) when I select a new LED to turn on, the GUI data does not refresh to this change. The stream being sent from the Arduino is ok, I looked at the data in a serial monitor.
Public Class Form1
Dim ticktock As Integer
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles
[code].....
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May 10, 2011
- I'm working on a windows forms application (.NET 4.0). - My form contains a 'Fast Line' chart using the Microsoft chart control included in VS2010. - The chart gets filled with about 20,000 datapoints. - My application then starts receiving market data from a server via DDE (Dynamic Data Exchange) in real-time and adds it the chart.
Note: I have no control over the server and so I have to deal with DDE only even though it's an outdated technology. VS doesn't support DDE anymore and so I use the Ndde library which works like a charm.
Private Sub StartDDE()
'first we connect to the DDE server:
Dim client As DdeClient = New DdeClient("ServerApplication", "Bid")
[Code].....
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Sep 15, 2011
I have inherited a VB.NET project which was created in VS 2003 and is now in VS 2010. It works fine on one macine (32 bit). However, on my Win7 64 bit machine it simply won't build or run. I get an error saying "xxx is not a valid Win32 application. (Exception from HRESULT: 0x800700C1) Line 4762, position 5"
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Feb 29, 2012
how to get name of image from imagelist. I can't find any 'name' property in imagelist1.images.
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Aug 12, 2009
how does imagelist work
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Jul 3, 2010
Is it possible to add a contextmenustrip to an imagelist item.
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Apr 1, 2012
I have got an imagelist with many images, many of which have a critical name which can be changed in the desinger, however, since Im NOT using this imagelist in another control (e.g. tabcontrol) I am not able to use imagekey. Therefore, how am I able to get the name of an image in my imagelist?
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Sep 24, 2009
Does anybody else think that it is just plain STUPID that you can add images to the imagelist at design time but you can't add a key?? What kind of brainless moron designed that?Now, everytime I change (add, delete, etc.) an image in the imagelist, I have to modify my code that accesses any image after the changed image(s). What REALLY boggles my mind is that it is still this way several years later. If I could at least access the image's name from code, then I could get by. But, NOOOOOO! That also would make too much sense
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Aug 25, 2009
Why these two different ways of assigning a background image work differently?
When I load the image into an ImageList, and then reference the ImagaList.Images collection to set the background Image for a control, it looks llike crap. The smooth blend I had set up is stratified.
When I load the image directly from the Resource, it looks great.
I assume this has something to do with the bit depth of the image once it is stored in the Image list collection? Or some other conversion issue. However, I can't find a way to adjust these properties on the image list (They are read only).
Here is the way that looks like crap:
code;
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Feb 19, 2009
Imagelist1.image.add("DSCF00082.jpg")
I tried using the above code to add an image to an IMAGELIST but it is to no success.
I want to know if there is a way to add an image to an image list via code as opposed to using the collection.
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Dec 27, 2009
How do i change the size of Imagelist images at runtime?
ImageList1.ImageSize = New Size(18, 18)
But it isnt working..
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Jul 8, 2009
How can I copy all the images in one ImageList to another ImageList?
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Apr 12, 2011
I use this line of code to add images to a imagelist, and link it to listview, but it is very very slow. Up to 40 seconds to add 100 images.
Private Sub create()
Dim img As System.Drawing.Image
Dim imagepatha As String
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Jun 11, 2007
I'm in the process of replacing ActiveX ToolBar / ImageListwith the Toolbar / ImageList provided with the VB .Net 2003. The Bitmaps that were used originally to populate the imagelist are nowhere to be found.Is there a way to extract the bitmaps that are in the old imagelist back out to a .bmp file that can be used or to the new ImageList?Is there a way to extract bitmaps that have been placed in a PictureBox?
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Dec 4, 2009
Is a way to get the same in VB.net?I've tryed with DrawImage but it doesn't work.
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Jun 6, 2009
i want to retrive images from imagelist,show it into pictureBox and navigate the images by pressing buttons
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Dec 10, 2009
following line of code generating a compiler error in a User Control File [code]The compiler error is :can't find project or library/Why this error is thrown even though I have already registered Microsoft Visual Basic Common Control 6.0
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Mar 27, 2011
im trying to add new images to an image list everytime a function is called. Im unable to clear the image list so im trying to create a new one each time the function executes.
Sub getActors(ByVal directory)
'Get actors and there names
Dim di As New IO.DirectoryInfo(directory)
Dim aryFi As IO.FileInfo() = di.GetFiles("*.jpg")
[code]....
how to clear an imagelist or how to implement a new imagelist
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May 8, 2008
I want to be able to randomize what image the picture box displays, and I want to pick it from an Image list with the collection that I want to use. I'm trying to use a custom function so that it can be repeated.
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Jun 3, 2010
How do I return the Name of each item in my Imagelist?for example i need something like below
for i = 0 to ImageList1.items.count
MsgBox(ImageList.items(i).Name
Next
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