Delphi 4.0x freeware
Communication (I/O)

[ almailsl.zip ] [ 5,930 bytes ] [ Freeware ] [ With Source ]
[ D2 | D3 | D4 | D5 ]
TALMailSlot is an easy to use component which allows applications to send messages across a network using mailslots.
Added: 31-10-1999/17-09-2000   |  Version: 1.06   |  Downloads: 12608/12581/3
Author:Andrew Leigh   [Homepage]   [DSP files]

[ as200d4.zip ] [ 446,716 bytes ] [ Freeware ] [ No Source ]
[ D4 ]
Communications library which provides access to the serial ports under Windows 95/98/ME/NT/2000. Modems, printers or barcode scanners, Async32 is easy to use with any type of serial hardware. Build your own comport server application.
Varian Async32 is freeware, you are allowed to use the software in freeware, shareware and commercial software without registration fee. Support and full source code are available after registration.
Added: 23-12-1997/17-10-2001   |  Version: 2.00   |  Downloads: 17148/15724/8
Author:Varian Software   [Homepage]   [DSP files]
 
Compatible files:  [ D5 | D6 | C4 | C5 ]

[ ciacomport.zip ] [ 6,986 bytes ] [ Freeware ] [ With Source ]
[ D2 | D3 | D4 | D5 | D6 | C3 | C4 | C5 ]
TCiaComPort is a Delphi component (full source included) for serial communications. It is full event driven and fires an event when data is available. It has also a 'LineMode' property in case you want to receive packets wich ends with particulary characters.
Added: 18-03-2002   |  Version: 1.05   |  Downloads: 11059/11059/44
Author:Wilfried Mestdagh   Wilfried Mestdagh   [Homepage]   [DSP files]

[ cport260.zip ] [ 148,579 bytes ] [ Freeware ] [ With Source ]
[ D3 | D4 | D5 | C3 | C4 | C5 ]
A set of components for writing serial communication program. Components included: TComPort, TComDataPacket, TComTerminal TComComboBox, TComRadioGroup and TComLed. With these tools, you can write serial application faster and easier than ever. A Delphi context sensitive file included.
Added: 11-10-1998/14-05-2000   |  Version: 2.60   |  Downloads: 45452/28671/99
Author:Dejan Crnila   [Homepage]   [DSP files]

[ dlportio.zip ] [ 872,438 bytes ] [ Freeware ] [ With Source ]
[ D3 | D4 | C3 | C4 ]

TDLPortIO is a wrapper for the free DriverLINX kernel mode driver. It allows full port IO under Windows 95/98/NT.

Comes with a C++ Builder 3/4 VCL component, Delphi 3/4 VCL Component, ActiveX control (for Visual BASIC), DLL version, and example projects for use with C++ Builder and Delphi.

Compatible with the shareware package TVicPort.

Distributed as FreeWare. Includes all source code!


Added: 19-01-1999/15-07-1999   |  Version: 1.2   |  Downloads: 12283/8390/12
Author:John Pappas (DiskDude)   John Pappas (DiskDude)   [Homepage]   [DSP files]

[ elecom12.zip ] [ 90,965 bytes ] [ Freeware ] [ With Source ]
[ D2 | D3 | D4 | D5 ]
Serial I/O communications library for OS/2, Win32 and DOS.
Added: 14-08-2000   |  Version: 1.2   |  Downloads: 11039/11039/12
Author:Maarten Bekers   [Homepage]   [DSP files]

[ EMDialUp.zip ] [ 19,212 bytes ] [ Freeware ] [ With Source ]
[ D3 | D4 | D5 ]
This component is a conversion to Delphi of RAS.H file as provided by Microsoft Corp. It is very useful because allows you to implement your own dialup connection or inherits from standard dialup connection. Thanks to David Moretti for RAS API header.
Added: 26-11-2000   |  Version: 1.0   |  Downloads: 7014/7014/9
Author:Eugen Mihailescu   Cubique Development   [Homepage]   [DSP files]

[ link: ] [ size n/a ] [ Freeware ] [ With Source ]
[ D3 | D4 | D5 | D6 | D7 | C3 | C4 | C5 | C6 ]
TurboPower Async Professional
Async Professional is a comprehensive communications toolkit for Borland Delphi, C++Builder, & ActiveX environments. It provides direct access to serial ports, TAPI, and the Microsoft Speech API. It supports faxing, terminal emulation, VOIP, & more.
This release includes source code, packages, the latest PDF manual, & help files
released under Mozilla Public License 1.1 (MPL 1.1)
Added: 4-02-2003   |  Version: 4.06   |  Downloads: n/a
Author:TurboPower Async Professional Project (Sourceforge)   [Homepage]   [DSP files]

[ interapp.zip ] [ 460,534 bytes ] [ Freeware ] [ With Source ]
[ D4 | D5 | D6 | D7 | C4 | C5 | C6 ]
InterAppComm consists of two components, InterAppSender and InterAppReceiver, which can communicate between separate applications on the same machine. The communication occurs conveniently through the use of events.

Typically you place a sender in one application and a receiver in one or more other applications. The sender can determine how many receivers are currently running and can send data to them in various formats (string, integer, real, or custom format). It can also detect a receiver being created, destroyed, enabled, or disabled.

The sender can communicate with all running receivers or just a group of receivers sharing the same group name.

2 demos included.
Added: 13-10-2003   |  Version: 1.0.0   |  Downloads: 2695/2695/27
Author:Troels Jakobsen   Troels Jakobsen   [Homepage]   [DSP files]

[ jms.zip ] [ 81,013 bytes ] [ Freeware ] [ With Source ]
[ D3 | D4 | D5 | D6 | D7 ]
Product "JMS Library for Delphi" is designed for using Java Message Service in applications created with Borland Delphi. When you use this library, you can:
... use prevalent JMS technology for communicating among processes;
... use best understanding of modern JMS methodics for creating your applications;
... make communicate among processes written in different programming languages (Java, C++, etc.);
... use freeware products.
Complete package contains:
  • jmsAPI - declaration of the JMS API;
  • jmsSMQ - concrete implementations of the JMS API for SonicMQ 4.0.2;
  • examples - source code of JMS Library and SonicMQ server usage examples.
This library is supplied in source code only. You can build required executables by yourself. [more]
Added: 8-12-2003/4-02-2004   |  Version: 1.0.2   |  Downloads: 1353/1343/14
Author:Alexander Leonov   [Homepage]   [DSP files]

[ NIC_Info.zip ] [ 182,604 bytes ] [ Freeware ] [ With Source ]
[ D3 | D4 | D5 | C4 | C5 ]
Demostration of how to retrieve ALL Network interface card IP, subnet masks, broadcast addresses, with interface status flags. Example program exe included.
Added: 14-08-2000   |  Version: 1.0   |  Downloads: 11325/11325/9
Author:Brian Gochnauer   Brian Gochnauer   [DSP files]

[ rasmg111.zip ] [ 26,077 bytes ] [ Freeware ] [ With Source ]
[ D4 | D5 | D6 ]
This is a component for an easy access to ras services. It includes connecting and disconnecting events as well as an easy access to important properties like connection state, IP numbers of client and server, phone number, aerea code, country code, device name, device type and a time stamp of the last connection state change.
Added: 19-10-1998/1-09-2003   |  Version: 1.10   |  Downloads: 5124/5056/8
Author:Frank Plagge   [Homepage]   [DSP files]

[ smport.zip ] [ 207,815 bytes ] [ Freeware ] [ With Source ]
[ D2 | D3 | D4 ]
SmallPort Delphi Component
Allows access hardware ports in Win95/98 for Delphi 2-4 using VxD driver(included).
Now it can work with Windows 9x (using smport.vxd) and Windows NT/2000 (using smport.sys).
Also included source of smport.vxd driver (source of smport.sys is not included and I am not going to supply with it).
Added: 28-02-1999/27-08-2000   |  Version: 1.4   |  Downloads: 12030/10454/8
Author:Alexander Weitzman   [DSP files]

[ speaker.zip ] [ 817 bytes ] [ Freeware ] [ With Source ]
[ D2 | D3 | D4 ]
This is PC Speaker access component. Setting the frequency property to 0 or negative value will swith the speaker off. When it is set to positive value, speaker starts to beep continuously with this frequency.
Added: 5-09-1999   |  Version: n/a   |  Downloads: 0/0/0
Author:Luke Komsta   [Homepage]   [DSP files]

[ SwitchModules10.zip ] [ 26,085 bytes ] [ Freeware ] [ With Source ]
[ D4 | D5 | D6 | D7 ]
Two components enabling interprocess messaging in a simple an effective way. Define Text commands that you may send from one application to another. The commands are received automatically with 2 lines of code and fire an event in the destination application. You have the option to add parameters to each command, and be able to react appropriatly in the fired event in the destination process. If a destination application isn't launched yet, this is done automatically. If the destination application is already running, your can optionally avoid the start of a second instance. In the destination application, this makes no difference.

The package comes with 2 components:

  • TModuleSwitcher, which allows the sending of commands with parameters. The component only needs to be placed in the sender application. The actions can be automatically linked to a menuitem or a speedbutton. The icon can be extracted automatically from the destination file. Just drop a speedbuton and/or an idle menuitem and set the appropriate properties in the component.
  • TCommandReceiver, which is responsible for receiving the commands from TModuleSwitcher, identify the command and extract its parameters values to a TStringList. The component is placed on the mainform of the destination application, and activate by 2 lines of code.
    • in the OnShow event of your main form (for example only, place it where you need it), and call the Run method.
    • Prepare the main form of your application to receive the windows messages, by adding this code:
      interface uses Switchmodules ;  type   TYourForm = class (TForm) CommandReceiver : TCommandReceiver ; private     { Private-Deklarationen }     { ADD THIS LINE }     procedure WMCopyData(var Msg: TWMCopyData); message WM_COPYDATA; ... end ;  implementation   { ADD THIS PROCEDURE } procedure TYourForm.WMCopyData(var Msg: TWMCopyData); begin      CommandReceiver.ForwardMessage (Msg) ; end ;  end.

Two techniques are used for receiving the commands. First is by interpreting the startup paramaters (when the destination application is first launched), of by receiving a windows message (if the application is already running and a second instance shell be avoided.


Added: 23-08-2004   |  Version: 1.0   |  Downloads: 899/899/10
Author:Tom Peiffer   Tom Peiffer   [Homepage]   [DSP files]

[ system.zip ] [ 30,636 bytes ] [ Freeware ] [ No Source ]
[ D2 | D3 | D4 ]
TheUser will show you some informations about your Computer like WindowsDir, TempPath, Soundcard yes/no,.... ShowHomepage will open a URL in your Standardbrowser from your Delphi-App
Free for private use, for Commercial please contact Author
Added: 3-01-1999   |  Version: 1   |  Downloads: 6220/6220/0
Author:R. Vysata   CreativeSoftwareTechnik   [Homepage]   [DSP files]

[ testcome.zip ] [ 242,603 bytes ] [ Freeware ] [ No Source ]
[ D4 ]
Application to test serial communications of 1 or 2 ports simultaneously. Simulates the sending of telegramms, and it is very useful for the development of communications applications. Polling and Requests of Plc Telemecanica and Modicon#s protocols, UnitelWay and MODBUS/JBUS by means of ASCII and RTU modes. Reads Telemecanique/Modicon Inductel#s tags with ModBus protocols.
Added: 11-05-1999/12-05-1999   |  Version: 4.0   |  Downloads: 3945/3945/4
Author:Jose Maria Gias   [Homepage]   [DSP files]

[ ZLPortIO.zip ] [ 12,733 bytes ] [ Freeware ] [ With Source ]
[ D3 | D4 | D5 ]
ZLPortIO - This unit allow your application direct access port input and output under all versions of Microsoft Windows
Added: 20-05-2001   |  Version: n/a   |  Downloads: 15548/15548/69
Author:Zloba Alexander   [Homepage]   [DSP files]

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