Tweet

Custom Search

The file input and output (I/O) functions (CreateFile, CloseHandle, ReadFile, ReadFileEx, WriteFile, and WriteFileEx) provide the basic interface for opening and closing a communications resource handle and for performing read and write operations. The Microsoft® Win32® application programming interface (API) also includes a set of communications functions that provide access to communications resources. This overview describes the use of file I/O and communications functions, which enable applications to perform the following tasks:

• Open a handle to a specified communications resource.

• Set and query the configuration of a serial communications resource.

• Read from or write to a serial communications resource.

• Monitor a specified set of events that might occur for a given serial communications resource.

• Send a control command to the device driver associated with a specified communications resource, causing the driver to execute an extended function.

Last news from Greatis Software
		Nostalgia .Net		.Net is powerful, but not all-powerful, so sometimes we need to use Win32 API for our .Net applications. It's simple enough with Platform Invoke if you have Win32 skill, but we do not always have time to dig the ancient documentation, declare the special types that are compatible with Win32, find the values of the Win32's constants and so on. Nostalgia .Net offers several simple-to-use classes, and components that will allow you to forget about the headache of Win32 and just use the power of Win32 in your application the same way as you use the native. Net classes.  More »
Recommended software for developers
		Ultimate Pack		Component pack for Delphi and C++ Builder that contains runtime form designer, runtime object inspector, print suite and much more for the very special price.  More »
		Form Designer .Net		Unique runtime form design solution that allows to edit any form in .Net WinForms application at runtime with full source codes for only 300 euro!  More »
		Print Suite .Net		Print Suite .Net is a set of components for easy printing texts, images and grids from your WinForms applications. Full C# source codes are available  More »
		Gradient Controls .Net		Gradient Controls .Net offers controls with gradient background feature. Labels, panels and so on... Full C# source codes are available  More »
		Greatis iGrid		iGrid plots drawing grid right over your desktop, so you can use it everywhere, with any drawing application without any special plugins for different graphic editors.  More »

Dmitry Vasiliev (just.dmitry)

Software for Visual Studio .NET developers
Software for Delphi and C++ Builder developers
Software for Visual Basic 6 developers
Delphi Tips&Tricks
MegaDetailed.NET

More Online Helps

Win32 Programmer's Reference
Win32 Multimedia Programmer's Reference
OLE Programmer's Reference
Microsoft Windows Pen API Programmer's Reference
Microsoft Windows Sockets 2 Reference
Microsoft Windows Telephony API (TAPI) Programmer's Reference
Unix Manual Pages