Add A Webbrowser Control To An App And View PDFs?
Nov 21, 2011
I am trying to add a webbrowser control to my app and view PDFs. I am sort of get it to work..where I can choose oen adn it opens...BUT when I go to open another it errors out..I think I sort of have the WebBrowser working...ALTHOUGH i cannot seem to change the image...I can only load it once...ERROR: Trying to revoke a drop target that has not been registererd (exception from HRRESULT:0x80004100 After the app opens I can click either or and it will either open the PDF or the web page..BUT I CANNOT select again...I get the error above...I have tried to set the webbrowser to NOTHING but that does not seem to be working.
webbrowserPDF.Source = Nothing
If Test = "fire_district.pdf" Then
webbrowserPDF.Source = Nothing
[code]....
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Aug 5, 2011
[code]...
IF I open up IE, which I assume the WebBrowser control is based on, I can type the path of the PDF in the address bar, and it views it in the browser, just as it should.
When I do "navigate" to a PDF file, I do notice a short popup (and progress bar) before viewing the PDF in acrobat. It happens so quickly that I can't read it, but it looks like a download progress bar.
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Jun 7, 2012
Tried to look for a solution for this problem everywhere and can't seem to find it?I have found solutions related to sub-classing the document, but this method results in a Null Exception as there is no document.
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
AddHandler Me.WebBrowser1.Document.ContextMenuShowing, AddressOf WebContextMenuShowing
WebBrowser1.ContextMenu.Dispose()
WebBrowser1.ContextMenu.Show(WebBrowser1, pas)
End Sub
[Code]...
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May 27, 2008
code works great for some folders but there is an issue when trying to change the folder view to "View Details" programmatically for certain folders.I'll try to explain my issue without using a screenshot:1.) Some folders, when navigated to,show up in the webbrowser control with the followingcolumn headings:
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May 30, 2012
how to view explorer in list view control?
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Apr 18, 2011
I use webbrowser as File Explorer.
If you click folder it opens new folder contents in WB window but if you click html document it opens in EXTERNAL viewer.
How do you get html document to open in WB while exploring ?
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Aug 10, 2010
I am writing a few web based apps which will require a webbrowser extension. I have already used the IE webbrowser control that uses the trident web rendering engine. I believe this is MSHTML.DLL? Anyway, some of the users of my programs have complained of a few things. Particularily,
1. It seems to be a slow browser, at least compared to other rendering engines out there (webkit and gecko are 2 known ones).
2. On the developer side, it seems to be low in features. The features are sufficient in most cases, but there are some "special" things that I need.
3. It has VERY low HTML (and especially HTML5) compliance.
My question is, how much work would it take to use a different engine (such as webkit .net, which I HAVE heard of) and be able to distribute it easily. Or, if you guys feel ambitious, we could try writing a brand new engine ourselves. I know how big of a job it is, and frankly, I have no clue where to begin. I would just like your thoughts and opinions on the matter.
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Mar 18, 2011
i have created an app to load an access database into a datagridview, which contains web urls. When button is clicked it webbrowser1 navigates to each url and each webpages document.inertext is put into textbox. This all work fine but after a while the webbrowser navigation becomes increasingly slower.
For Each RW As DataGridViewRow In Me.DataGridView1.SelectedRows
'''''''''''#######cell values into strings ########''''''''''''''
If RW.Selected = True Then
Dim domain As String
[code]....
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Apr 14, 2010
I've got relatively little experience with VB but I've been asked by my employer to try to write a program to automate a billing process. We print PDFs for some of our clients, and we do two copies. One copy goes to the account holder, and one goes to the company that funds the account. So we have a directory structure that looks something like this:
Copies that went to the account holders:
FolderA1234.pdf
FolderB987.pdf
FolderB6767.pdf
[Code]...
As you can see, the file names are the same. But items in FolderA are billed differently than items in FolderB. So the ideal program would be able to go through FolderA and FolderB, collect the filenames, and then go through SubfolderA and SubSubFolderA and report back that, "1 file matched a filename in FolderA. 2 files matched filenames in FolderB". I have no idea where I would beging to write such a program but is this something that is plausible?
My manager says he can probably do something like this in an hour manually so if it would take longer than that to code it's probably not worth it. I'd really like to be able to show some skill and do this, though (I've only been here a few months and this would be a good opportunity to provide some added value).
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Jan 1, 2011
Ive tried to edit option on the webbrowser control, example javascript enable/disable. but found out that it uses IE's option and cannot be changed.So my question is: Is there a way to do a "webbrowser" without using the WEbbrowser control that is based on internetexplorer? If it is, can i change option example flash and so on?
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Jul 16, 2011
Im doing a mini project and i need to display an image in picture box control when a cell clicked in datagrid view control .the image is linked through the database ms access and im using vb.net frame work.
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Feb 1, 2012
I have a requirement for a new application development where I must present some information to the user for selection via drag and drop. VB offers the TreeView control which would work nice, however the user does not like the Treeview control's presentation. The user wants a control that work similar to the Mac's Finder control while in column view.
Apple's Mac Finder Control works similar to window's treeview. Finder has a nifty view capability that my users would like in some new development that is being done. The finder supports a "column" view. Similar to the treeview, it starts out in a root list. The difference being, when a user makes a selection and clicks on a node, the node doesn't expand, the sub nodes appear on the pane to the right of the list. Clicking on a sub node, will cause the pane to split again and the items within that sub node appear
to the right again.
This will happen again and again with the left pane getting narrower as the user drives deeper into the sub nodes. That is what I am trying to replicate. Obviously, once the user reaches the base list of items, we have to support drag and drop capability. Does anyone know of a control for VB.NET that work similar to the Mac's Finder control?
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Jul 8, 2009
1. when i pick a value from a combo in next col of data grid which also have a combo should populate conditionally.
2.when i edit the cell having combo previous selected value is overwritten by first value of combo it should be if i select any value from combo but should not over written default as i click the cell. (edit mode is on click)
3.by pressing enter key cursor should jump to next cell in same row . means navigation should horizontally but should jump to first cell of next row if cell is last cell
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Jun 14, 2011
I've got a project where I'm going to have to compare some PDFs. I've checked out a few SDKs, but I was wondering if anyone else has had to tackle this and may have some suggestions?
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Aug 16, 2011
I have a PDF billing template that I need to put in the various information for customers and then send them the PDF's. I was looking into coding this with VB and saw iTextSharp mentioned a few times.
When I googled it I only found something on SourceForge and it was written in C#, where do you go for something in VB.net?
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Mar 11, 2010
I switch from vb6 to vb.net.. and it's not that easy to familiarize .net syntax here's what i want..
1 webbrowser1
1 button1 ( multiline )
1 textbox1
how can i view the webbrowser1 source code in the textbox1 by click the button?this can be done in vb6 by saving the html file to text then opening the text..
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Oct 8, 2010
on a site, there is a chat that is closed source. Is there a way that i can have a webbrowser view only a certain part of a webpage?
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May 30, 2012
I'm automating downloads. I was getting this error quite a bit using Webbrowser to navigate to a PDF (various PDFs at various websites). In other words the PDF was already on display in the browser when I called WebClient.DownloadToFile. I got a LOT better results when I desisted from WebClient and switched to this API (just pass in the two strings along with zeroes for the other parameters).
[Code]...
And yet Webclient seems oriented for only two entries (username and password). How do you set up the credentials for three entries? I hate to abandon WebClient, but at this point I just don't know how to make it work.
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Feb 23, 2009
I need to print multiple existing files, PDFs. I have the following
[Code]....
Is there another 'better' way of doing this? Sometimes it just doesn't print the PDF, I guess because it's taking longer than the WaitForExit time. And so closes the process.
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Sep 16, 2010
I'm trying to use the Global.asax file in the root application of the website to catch requests for pdf files in the root that don't exist any more. I've configured iis to send pdf requests to asp.net. The whole thing works perfectly on development. It also works on the live system with missing .aspx pages, but not .pdf. Instead an "Error Code 64: Host not available". I'm using the Global.asax file to avoid the web.config and child applications (1.1 & 2.0) inheriting settings.[code]...
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Sep 28, 2009
I'd like to be able to create, name and store individualized reports (school report cards, actually) with VB.Net and Crystal Reports using data from our SQL database.
It would be even better to be able to automatically generate individualized e-mails using e-mail addresses stored in the database, attaching the aforementioned PDF reports and sending them off.
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May 15, 2009
I have an Excel 2007 workbook chock full o' VBA macros that do various things, including one that jumps from chart to chart making PDFs of each using PDFCreator, based on some code I borrowed from Ken Puls (url...).However recently I and some users of the workbook started having problems where the PDFs would be created with either gray image artifacts over the charts,or the whole chart image would have a double of itself skewed slightly. It just happens the problems started after we did a global upgrade to Office 2007, though I had had 2007 installed on my computer for a while and tested and used the workbook extensively without issue up until then. Here is the part of the code that automates the printing:
Sub PDF_print_all()
'Author : Ken Puls (www.excelguru.ca)
'Macro Purpose: Print to PDF file using PDFCreator[code]...
The problem is not consistent either... sometimes it will print to PDF with an oddly shaped block of gray, and sometimes it will only have the whole chart image doubled. The only consistency I could find is that sometimes if an object is selected in a chart beforehand (a text box, chart line, axis numbers, etc) the gray artifact will partly mimic the shape of whatever object had been selected.I wish I could include example images to show exactly what's happening.I know it's not a problem inherent to PDFCreator because if I manually print to it in Excel, the PDF image looks perfect. It's only when I use the automated method that the problem occurs, so I thought maybe it was the code.
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Apr 19, 2009
I'm currently working on my personal html editor. i have it where i can preview the page in a webbrowser. on maximized screen i can see the entire page as is. is it possible to keep the webbapage viewed, as viewed maximizied, in a resized browser with this size: 201, 106.
i know i won't be able to read much of the text, i just want to see the page preview, image location, etc. just a browser with view zoom properties.
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Feb 20, 2010
I have a regular application form with a WebBrowser control.I have strung together a .htm file (from a regular text file) which I then assign to the WebBrowser control. In the html file, I have filenames mentioned.I am trying to string together the html in such a way as to give a clickable link or button that will parse into html and open the corresponding file in another WebBrowser control in VB.I have tried using VBScript and JavaScript to put a button in the html.As long as the function or sub I call is also in the same html document, it works, but I really need to transfer the control back into visual basic where I can do the heavy lifting I need to.can I just not do this as a regular VB application? Any way to do it without adding the complication of requiring ActiveX?
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Dec 8, 2009
I have a WebBrowser control that have a webpage loaded in it. On the webpage I have a textarea control, like this:
<textarea name="text" id="textarea_obj">
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Apr 16, 2009
I have a webbrowser control, where I show images (bmp files, that the program creates), and I want to add some UserControls to setup the images (as showing layers, or choosing colors to display). Is easy to do appropiate UserControls on VB.NET, and I know almost nothing about HTML, so, I would like to add standard VB.NET UserControls near the images.
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Dec 17, 2010
I would like to add a control to read *.xps files, but I don't know which component to add. Which do I add, and in the future, where should I look to find such an answer?
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May 8, 2009
I'm getting a blank grid when I execute the cod e below, [code]...
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May 24, 2011
I am trying to add datagridview control in my custom control but i failed.I started creating new project[windows custom control library], added datagridview control on it and also added a property naming "DGVMain" which refers to datagridview control.I compiled it.
While testing i find its properties like visible and other working but when i click on columns property it doesn't work. i.e i cannot add/edit columns into the datagridview of my custom control.
Did i miss any steps or do i need to add some more actions?
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Feb 27, 2010
I am just learning vb.net - I have express 2008. Is there a control that allows you to use "folders" like the explorer view in windows xp? I was experimenting with menu options, but a folder view would be good too.
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