We all know that Win32 API’s are Powerful and provide great features and ability from getting Window handles,Spawning new process,killing process ,Send Keystrokes ,Tweaking Registry, Logging lots and lots more.

But how to use Windows API in Java ,this is sure to make your Java Application Power packaged and versatile and also eases your work.It will be really useful for those who write Java Application for Windows Platform.

How to use Win32 API in Java?

1.Visit this page http://www.jamesyoung1.com/jDownloadsV2.shtml

2.Download copy of JWinAPI .JWinAPI Download

3.Install the setup.And you are Ready to go.

4.Include JWinAPI.jar in your Project Library.

5.Done!

Demo :

For Demo Go to the directory where you have installed JWinAPI. Type:

<strong>java -jar JWinAPI.jar </strong>

Demo Code of how to use JWinAPI:

Poping up Message Box:

WinAPI wapi = new JWinAPI();
	wapi.doMessageBox("JWinAPI DLL has been loaded successfully!",
			"JWinAPI", MBConstants.MB_OK + MBConstants.MB_ICONASTERISK );

Accessing Windows Registry From Java Example

// write an int value
	wapi.doWriteToRegistry(REGConstants.HKEY_CURRENT_USER,
		"Software\\jamesyoung\\regsample",
		"javaINTValue",	REGConstants.REG_DWORD, new Integer(123456 ) ) ;

See what are the functions supported by JWinAPI:

JWinAPI Doc

Hope it was Useful!

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