Wake up from Sleep (CreateWaitableTimer) in C#

The code illustrates how to set a timer to wake your computer up having been sleep'd. It's tested on Vista and Windows 7 with sleep mode.

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Automated browser screenshot capture

• BrowserCapture.exe.zip
• Project source (Visual Studio 2008)

This small windows forms application does the following:

• Opens a website you specify in Internet Explorer, Firefox, Safari and Opera.
• Resizes the window to the size you set.
• Takes a screengrab of each one.
• Optionally closes each browser.

You can specify the browser paths and path to save the screenshots (which are saved in PNG format) to.

The screenshot mechanism is courtesy a class from of this article. The remaining code is some straight forward windows enumeration via the winapi and PostMessage.

Changing a Richtextbox caret in C#

• Download

This old bit of code from 2004 is an unfinished (i.e. not that pretty to read) demo project for changing the caret in a rich text box. It was the beginnings of a kind of console host for C#.

It shows a telnet style shell, a block caret, tab completion and a few other features. Type "prog" and then hit tab to see an example of the tab completion.