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Posted 22 Apr 2002

dotNETSender - Windows Messenger like GUI for net send command

, 7 May 2002
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Windows Messenger like GUI for net send command
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Sample Image - MainDlg.jpg

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dotNETSender is a simple application which provides a neat GUI for the windows “net send” command. It looks like MSN Messenger; you can add/delete/edit contacts in the contact list. If the contact’s computer is turned off, the corresponding node will show an offline icon. When minimized, the application runs in the system tray.


This is a good piece of code for beginners to get an idea about threading in C#, delegates and events, registry operations, file operations and invoking another process from within the program.

Sample Image

The elements in the tree are mapped to objects in the contact list. The

class encapsulates the functionality and properties of a contact. The ContactList class holds a collection of Contact objects as a array property. The functions in the NetSender class are used to send messages and also to check whether a contact’s machine is turned off or not.

When the Refresh function in ContactList class runs, it fires an event, the form class is subscribed to this event and when it receives the event, the tree view gets refreshed.

After being minimised to the tray, the hidden application window can be restored by double-clicking the system tray icon.

How to Build the Application

  1. Extract all files in to a folder.
  2. Open dotNETSender.sln file in the Visual Studio .NET editor.
  3. Build the application.


This article has no explicit license attached to it but may contain usage terms in the article text or the download files themselves. If in doubt please contact the author via the discussion board below.

A list of licenses authors might use can be found here


About the Author

Sunil TG
Architect Siemens
India India
No Biography provided

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Comments and Discussions

GeneraldotNETSender is really good! Pin
lmmmm17-Sep-04 7:41
memberlmmmm17-Sep-04 7:41 
Generaldoes this application need .NET framework to be installed Pin
lava_kushal6-Sep-04 19:51
memberlava_kushal6-Sep-04 19:51 
GeneralRe: does this application need .NET framework to be installed Pin
Sunil TG16-Sep-04 22:56
memberSunil TG16-Sep-04 22:56 
GeneralHelp wanted in building a GUI .Net Remoting Pin
nutkase29-Mar-04 21:35
membernutkase29-Mar-04 21:35 
QuestionCustom groups? Pin
shiner24726-Jan-04 13:56
membershiner24726-Jan-04 13:56 
AnswerRe: Custom groups? Pin
Sunil TG16-Sep-04 22:59
memberSunil TG16-Sep-04 22:59 
QuestionVS 6.0 or C++? Pin
AntonDel9-Aug-03 7:36
memberAntonDel9-Aug-03 7:36 
AnswerRe: VS 6.0 or C++? Pin
Sunil TG10-Aug-03 6:33
memberSunil TG10-Aug-03 6:33 
GeneralThank You Pin
DesScorp4-Aug-03 14:05
memberDesScorp4-Aug-03 14:05 
GeneralNet Sender Pin
Anonymous4-Aug-03 6:21
sussAnonymous4-Aug-03 6:21 
GeneralNo Download of Code Pin
ARL21-Jul-03 18:18
memberARL21-Jul-03 18:18 
GeneralRe: No Download of Code Pin
Sunil TG24-Jul-03 6:25
memberSunil TG24-Jul-03 6:25 
GeneralStill Icon Error Pin
pochacco20-Jun-03 19:22
memberpochacco20-Jun-03 19:22 
GeneralRe: Still Icon Error Pin
Sunil TG24-Jul-03 6:29
memberSunil TG24-Jul-03 6:29 
Generalexcellent! here are a couple tips: Pin
ben creitz13-Jun-03 6:09
sussben creitz13-Jun-03 6:09 
GeneralRe: excellent! here are a couple tips: Pin
Sunil TG24-Jul-03 6:29
memberSunil TG24-Jul-03 6:29 
GeneralFileIO error Pin
Hap4216-Nov-02 10:05
memberHap4216-Nov-02 10:05 
GeneralRe: FileIO error Pin
Sunil TG24-Jul-03 6:31
memberSunil TG24-Jul-03 6:31 
QuestionHow to this application with command line compiler Pin
rsasalm_6-Jul-02 9:45
memberrsasalm_6-Jul-02 9:45 
AnswerRe: How to this application with command line compiler Pin
DrewArthur7-Nov-02 6:16
sussDrewArthur7-Nov-02 6:16 
GeneralRe: How to this application with command line compiler Pin
shocktech7-Feb-03 11:43
sussshocktech7-Feb-03 11:43 
GeneralRe: How to this application with command line compiler Pin
fish_herring13-Jun-05 16:52
memberfish_herring13-Jun-05 16:52 
QuestionIs this fixed yet? Pin
Anonymous7-Jun-02 9:13
memberAnonymous7-Jun-02 9:13 
AnswerRe: Is this fixed yet? Pin
Sunil TG12-Jun-02 1:37
memberSunil TG12-Jun-02 1:37 
GeneralRe: Is this fixed yet? Pin
Anonymous30-Jun-02 14:02
memberAnonymous30-Jun-02 14:02 

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