webbrowser-control | 易学教程

C# Webbrowser Programmatically Close JS Confirm Box

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while using webbrowser control, I need to programmatically auto close a javascript confirm box. I used below user32.dll approach and it is working fine on OS which are based english language. [DllImport("user32.dll", CharSet = CharSet.Auto)] static extern IntPtr SendMessage(IntPtr hWnd, UInt32 Msg, IntPtr wParam, IntPtr lParam); But if the computer running non-english OS, it is not working fine as I am using "OK" as text in above method call. One approach which I suppose can work is I should detect OS language and then use translated "OK" text to use above method. Here my question is can I

How to connect a C# ActiveX event handler in Javascript

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问题 Utilizing several code snippets I've attempted to hook up an ActiveX object with a Javascript event handler. I'm unable to identify why the event handler isn't being called. Github Repository with project. Update By placing the javascript call to SayHello() in an 'onLoad' event, I was able to get the ActiveX event to fire. Now I'm looking toward the C# call, and how to hook it into the ActiveX object utilized by Javascript. (This may also have relied on enable local scripts from the Advanced

What is the best way to display HTML content on a Windows Form?

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问题 I want to display an HTML formatted content in my application preferably inside a Web Browser control. I could create an HTML document first and then load it in the Web Browser control, but that is just too clumsy. Is there any way I can load a string that contains HTML code directly into the Web Browser? String = "<b>Hello</b> World" Expected output: Hello World I'm using Visual Basic 9 (VS2008). 回答1: You can do this by dragging a WebBrowser control onto your application and then adding the

Getting error on inserting webbrowser inside panel in c#

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问题 i am developing an application in which i require to insert a webbrowser inside a panl.while doing this i am getting error inside desginer code "Unable to get the window handle for the 'WebBrowser' control. Windowless ActiveX controls are not supported."for which i have put the code to run it inside STSthread.but after that i am getting error of "cross thread.." Thread newThread = new Thread(newThreadStart(MethodToCallCOMMethod)); newThread.SetApartmentState(ApartmentState.STA); newThread

vb6 Capture Entire Web Page

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问题 Hey all, I've been trying to find the code that allowed me to capture an entire web page using the webbrowser1 control and i believe also a picturebox or 2.. but i am not able to find the code that i used a couple months ago! I've been goodgling until I'm all googled out! If anyone knows of the code for VB6 then please post a link to it!. Thanks, David 回答1: Do you mean the HTML source? If so you can add a reference to the Microsoft HTML obj Library and; Dim doc As MSHTML.HTMLDocument set doc

How to print a PDF file displayed in the WPF WebBrowser control

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问题 I have a WPF application that implements a simple web browser using the standard WebBrowser control. When the user navigates to a PDF document, the document gets displayed inline in the WebBrowser control in the standard Adobe Reader plugin for MSIE. Now I need to print the file programmatically. How do I do it? I know that the Adobe Reader has a COM interface with the print command. Is this interface available in the MSIE plugin, too? How do I access it from the WPF code where I only have an

Mono and window.external

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问题 This will be a Windows Forms application deployed through ClickOnce. The plan is to use the WebBrowser control to expose a web application that makes use of Active-X controls. Using window.external and InvokeScript, the objects will be replaced with references to Reg-Free COM objects (SXS). I know this sounds like a mess, but it's a lesser evil, and I'm on a tight schedule. Eventually, the SXS part can be replaced, and hopefully the server-side code can be updated with something better. Will

Get Captcha Image from Web Browser control without using SRC

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问题 I know this question might sound familiar and there are plenty of posts out there on google with the same title BUT trust me this is different. Editor : VS2008 (cannot upgrade it due to some technical difficulties) Question How to get Captcha Image from a Web Browser without using SRC ? Why wouldn't you use SRC? Here is the site from which i am trying to get my Captcha Image https://services.gst.gov.in/services/login (The capta image appears once you type anything in User Name) Now if you

How to play youtube videos on windows application C#

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问题 I've created a windows application with a WebBrowser control and trying to play youtube videos.. I've installed Adobe Shockwave Player, and tried to watch video on my windows application, but it doesn't show any videos. When I hit play button the screen looks like this My code for playing video is StreamWriter sw = new StreamWriter("utube.html"); string PlayString = currentVideoUrl.Trim().Replace("watch?v=", "v/"); string Finalplaycode = "<embed src=" + PlayString + "&hl=en&fs=1& type

How to change WebBrowser fullscreen video mode?

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问题 I have a c++ project with 2 WeBBrowser in a TableLayoutPanel they are set side by side, it's working fine I navigate normal but when I go to specific websites and play a video in fullscreen that sets my whole monitor to fullscreen instead of setting only the WeBBrowser itself, however on other websites that fits perfect in the WeBBrowser . Is there a way to change the way it displays fullscreen? I wanna make it display fullscreen in the WeBBrowser only. I think it has something to do with