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WebLog Posts in Category WinForms


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Dragging and Dropping Images and Files into the Web Browser Control



Dragging content into the Web Browser control and capturing the content dropped can be tricky. The Web Browser Control is based on Internet Explorer and is actually an ActiveX control hosted inside of a container and because of that is difficult to deal with. In this post I describe how you can get around this issue and still capture images and files dropped on the control and handle the drop operations.

Debugging the Web Browser Control with FireBug



If you need to debug JavaScript code or layout issues in a Web Browser control inside of a Windows desktop application, you've probably found that the experience sucks. Although Internet Explorer on which the control is based suppports rich developer tools, those are not available in the Web Browser control. Enter an oldie but goodie: FireBug which is an embeddable Console implementation that provides a lot of the features that you find in modern browser developer tools and with a couple of lines of html you can add this debugger into your application.

Calling JavaScript functions in the Web Browser Control



If you're using the Web Browser Control or the Internet.Application Shell object, you might need to call Javacript t code inside the pages loaded in the browser to manipulate the page from say a WinForms app that interacts with the Web Browser control. Some things are just much easier to do with client side script code and being able to initiate this code from .NET can be very useful. This entry describes how you can access the DOM to call script functions both in .NET and FoxPro.

Transparent Labels in WinForms



One really annoying thing about WinForms is that there's no built in support for transparency for controls. If you want to create a label and want it to blend into any custom background colors this isn't inherently supported. Although there's a static Color.Transparent color property, when you apply to a label on a form it doesn't actually do anything - you get the same default background color...
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