Explorer Thumbnail Handling Plugin?
Sep 20, 2010
ve been exploring with IThumbnailProvider in VB10. The first attempt I made was to handle MKV file thumbnails. I made the library and everything looked OK when I tested it against MS's Thumbnail app that came in the Windows API pack. Then I attempted to implement it on my computer, and every single thumbnail in the OS broke. Not a single thumbnail was generated by the system. So, after a bunch of trying to rescue thumbnails, I reformatted, reinstalled Windows, and got everything back to normal.
Today, I tried again. This time, using BLP files which are often used in Blizzard games (Warcraft III in particular). To avoid the same issue, I threw the compiled result into a Virtual Machine and tested it there, and it looked lovely. After a bit of experimenting and tweaking, I got it exactly as I wanted, cleaned the thumbnail cache, tested it one last time, and then installed it on my actual PC. Bam, all thumbnail generation is broken again.
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Nov 5, 2009
I need to write an app that that will iterate over our database, and perform various anaylsis on each record. In order to do this (partially for the learning exercise in creating plugin support) I want to use a Plugin model.
Currently, I have a simple Interface in my main app, which plugins can Implement. My app then loads all DLL's in a folder looking for ones implementing the Interface.
As you can see in the pseudo-code below, I have to keep performing a loop through all loaded plugins calling the process methods.
Sub ProcessData()
For Each Record In MyDataSet
For Each Plugin In MyPluginCollection
[Code].....
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Jun 30, 2009
I am working on an application with plugins. I have created the plugin host and the plugin, now I need to figure out how to pass data back to the main application from the plugin. IE: I have MainApp that has plugins in a subfolder. It loads the plugins and shows a menu item the launches the plugin. When the plugin launches it opens a windows form inside the plugin. The form does some calculations and then returns data in a string array. How do I pass that string array back to the main application?
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Feb 13, 2012
i created this thumbnail with other programming mothod Test Thumbnail.rar but how can i register it in other windows i tried register it with RegAsm but i don't could register it
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Aug 30, 2009
1- I want to know what's the windows service project and how i can use it.
2- I want to know how i can making tool bars for my windows explorers , IE explorer and to fire fox internet explorer.
3- I want to know how i can making add-ons for my VS 2005.
4-Can i change my Form Opacity Without Changing My controls Opacity
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Aug 1, 2010
I want to make a program that is similar to Windows Explorer. It will have a button that when you click it it opens a FolderBrowserDialog and it will have an area that displays the contents of the selected folder. I want to have a label that displays the current folder path (i.e. 'USERDocuments...') and I also would like a feature to search all files on the computer.Also, is it possible that when I click on a file in the contents of the selected folder it displays its information (i.e. Name, Size, etc.)? And can I also make it so that if you double click on another folder in the current folder's display it opens that folder? And can I have a button to go up one directory?
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Jun 2, 2010
I want to open explorer to a specific destination but both shell() and process.start() are not opening explorer. They both open other applications like calc and notepad though. It works fine when debugging but not after I publish.
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Nov 3, 2010
I want to use the ExtractAssociatedIcon method to get the icon of a bitmap.
But in MSDN I found the following statement:
When ExtractAssociatedIcon is used with bitmaps, a thumbnail image may be returned instead of an icon if the system that is running the application has a registry setting that causes bitmap files to be shown as thumbnail images.
Is it possible to turn off the thumbnail and get the icon back?
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Feb 24, 2011
I have a system where users can upload PDF documents. Rather than displaying the link to these PDFs as a title link, or a PDF icon link, I would like it to be a thumbnail of the first page of the PDF document.
How can I get a thumbnail image of the first (or any specified) page of a PDF document, using ASP.NET 3.5?
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Dec 15, 2010
i need to develop a plugin to evaluate web interfaces. Can someone guide me about how to develop plugin in vb 2008 express.
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Jan 19, 2010
I am working on a migration project to convert a Visual Basic 6 system to a new platform. To make life easier for the programmers I would like to develop some plug-ins for the Microsoft Visual Basic 6 IDE. But until now I've found only information about using vb6 to write plug-ins for other programs. how to create a plug-in for the Microsoft Visual Basic 6 IDE (SP6)?
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Jun 1, 2011
Is there a significant enough difference with .NET from regular native code to maketraditional plugin systems not very useful? Either way, there must be some system for making a program extensible after it is compiled. To allow third party development withoureleasing the source code. Anyone have info on this? I said .NET, but of course specifically I mean Visual Basic
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Jun 27, 2011
I'm trying to create thumbnail previews within my program. These would work for any file type, not only images. So videos too. Right now I'm using IExtractImage to do this. It works perfect, but it seems to randomly crash my program when I call .Extract(). There's no error message, my program just crashes. When I run it in the debugger it doesn't break when it crashes. I have it in a try/catch block and that doesn't seem to help. It's not reproducible and doesn't crash on the same file every time. How can I get it working or just prevent it from crashing my whole program?
I'm using the code from this project:[URl]..
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Dec 16, 2011
I managed to use the class ClassWSThumb [URL] in order to get screenshoots from webpages.Here is the class file:
Imports System.Drawing
Imports System.Windows.Forms
Imports System.Threading
Imports System.IO
[code]....
Everything seems to be working perfectly, but i bumped into a situation were i dont know how to handle.If the target website has some ajax information that needs to be loaded after the ready state, i get a screenshoot of the page with no data, because the data was not loaded yet.
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Jul 27, 2009
I have a simple task in DOT NET that is we take a thumbnail an one of the website home page, when we give an URL like in one text box that time control goes to home page of the specified URL and take a picture that home page as a thumbnail and stored in an our specified local disk like we give more than one an up to 100 URLS at a time and stored orderly stored in an our specified local disk
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Nov 14, 2011
I am trying to get this code to re-size(by a percent) the pdf thumbnail it outputs(which needs to be initially scaled down to 15% of the size of the original pdf document size).Currently, the code only adds the two dimensions as pixels, then renders the image, and draws it into a PictureBox.The code uses Ghostscript as you can see. The problem I am having is getting the dimensions of the PDF file. How can this be done? The code will be posted below:
Imports System.IO
Imports System.Drawing.Imaging
Imports GhostscriptSharp
[code]....
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Jun 9, 2011
I've got a C#.NET background and due to circumstances I'm trying to make a plugin written in VB.NET. I've created a new class project which gives me a DLL. This class implements a C# interface which all works.My only question is this... In my C# code I've got an implemented DLL (which loads at runtime) with the following declaration before the class...
[Plugin(PluginType.Storage)]
public class XmlPlugin<T> : IStoragePlugin<T>
{
[code]....
How do I write [Plugin(PluginType.Storage)] in VB syntax?
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Aug 11, 2009
make a way for my webbrowser to be able to add plug in?
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Oct 28, 2009
Ive created an application that reads plugins but I can't figure out a way of making a form thats housed in the plugin into an MDI for my existing application.[code]...
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Dec 4, 2007
I've been reading a lot of the posts but i just can't seem to get mine to work,What am i suppose to fill in under Server Name? i'm using my godaddy's free hosting account's mysql but i can't seem to find any thing that'll teach me how to use that exactly it just keep saying 'unable to connect to any of the specified mysql hosts' am i filling in something wrongly?
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Oct 4, 2010
For many Java games/programs I use, you can download plugins/mods. Now I'm wondering if this is possible in VB?
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Oct 13, 2011
I am in search of a way to access a files thumbnail preview and push it to a picturebox on my form. I have the code below that works for jpg files, however it does not work for say a word document's thubnail. displaying the word documents thumbnail in a picturebox would be great!
Dim myBitmap As New Bitmap("C:Doc1.doc", True)
Dim myThumbnail As Image = myBitmap.GetThumbnailImage(40, 40, myCallback, IntPtr.Zero)
PictureBox1.Image = myThumbnail
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Apr 14, 2010
Is there a way to show videofiles' thumnails in VB application? Ideal situation would be so that the application would recieve videofiles via drag and drop and then show thumbnails from them the same way as you can see a preview thumbnails in Windows file-explorer.
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Feb 20, 2010
I need to grab a thumbnail from a video file. I dont mind if i need to somehow grab it myself.... But I was doing some research and found IExtractImage which grabs the thumbnails out of the thumbs file in the directory... I haven't found any examples on how to use it in vb, only C#
how to use this or another way to get thumbnails from video files?
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Feb 9, 2009
I am writing a Windows Service to act as an internal Web image collector. I can thumbnail Web navigated to webpages using a webBrowser Control. But since a Service will not support a UI based Control like a WebBrowser control I have switched gears using the wrapper WebClient from system.net. So I am looking for a way to capture and thumbnail a Webpage.I can use the following to grab images off a web pager using webClient but cannot figure out how to thumbnail the entire page.
Dim imgBuffer() As Byte Using wclient As New WebClient() imgBuffer = wclient.DownloadData("http:// Webpage/Image") End Using
Using mem As New IO.MemoryStream(imgBuffer) Using img As Image = Image.FromStream(mem) Me.PictureBox1.Image = img.GetThumbnailImage(100, 100, Nothing, IntPtr.Zero) End Using End Using
End Sub
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Aug 20, 2009
Im looking to create a thumbnail from a jpg image. the image is stored in c: empimage.jpg all im trying to do is create a thumbnail from this and save it in c: emp humbimage.jpg. Ive found a number of C# tutorials and some vb.net ones. Apparently this is a really easy thing to do.
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Jan 25, 2008
Having searched long and hard I came up with nothing to solve this problem.It appears that no body could give me any direction on how to default an Open Dialog box to what ever view type I desired.It was after several fruitless hours that I changed my way of thinking and started to look if this had been accomplished in any other language other than VB.that is when I stumbled on some code in C# written by Robert Rohde (German I think the original code can be found at [url]I have rewritten his code to be VB2005 compliant and It works a treat, so for all those (who like me) couldnt find how to complete this very simple yet so difficult to achieve task I present the code put this first section into a class called FileDialogExtender
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Jun 4, 2009
I have a folder in which i have some files. I want to view these files in a form as thumbnails.
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Jun 30, 2009
The preview on my program doesn't show how I would like it to, sometimes it's blank or not big enough for the whole screen, and other things.
I have 3 forms, one is of controls, one is a full transparent form that is just the outside edges with a blank middle, and one of is the background. Reason for this is setting background transparency, and the transparency(opacity) of the top bar of the form, so it will be transparent like vista is normally in xp.
I want it to show always the full form live view on the preview and I am not getting it to work with my 3 form as one form type program, but it works as expected with one form only, but I don't want this because I want individually set transparencies.
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Aug 6, 2009
Is it possible to set the image windows displays when viewing a file created in a VB.NET application? In my case I have files saved that store info on football plays for a play creator program. Can I use the image of that play as what the user will see when he searches through windows explorer?
Let me further explain with an analogy: photo files in windows have their images displayed as the user cycles through them; he chooses which one he wants to doubleclick based on the thumbnail image of the actual photo. I'd like to have a "photo" of the play itself shown instead of what is now just a blank generic grey icon for the play files that I save.
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