
How to detect when hardware on com port is removed in C#
Aug 31, 2014 · the code you posted is to handle the usb device going away. Discovering devices connected to the serial port itself going away typically is done by watching the serial lines (DTS, etc) …
switching from RNDIS USB to serial USB - social.msdn.microsoft.com
Nov 16, 2007 · In my application I need to find out the active usb driver (from "HKLM\Drivers\Active" )with "COM" prefixed "Name" key. But in my device there is an entry with "Key" Value - …
How to Send EPL2 Command from VB.Net to Zebra TLP 2844 Printer ...
Sep 2, 2011 · The only way to make a USB port work as a Virtual COM port is by using a driver furnished by the manufacturer. Generally, you can tell if the driver that was installed for the printer is …
Windows XP Embedded SP3 USB Boot - Hangs on shutdown/restart
Oct 12, 2012 · 12. USB Boot and ACPI Uniprocessor HAL. The Problem is that with the costumized Embedded USBSTOR (B).SYS file (also the updated 5.3?.1500) causes reboot/shutdown problems. …
OEMDATA registry key - social.msdn.microsoft.com
Nov 8, 2015 · Note that the definition is per driver rather than per device. In other words, all devices are identical. Nowadays this is not required because the system takes this data from the device …
How to find siblings of different types? - social.msdn.microsoft.com
Nov 28, 2017 · Meaning that Generic USB Hub and USB input device are two children of USB Root Hub. I used the CM_Get_Sibling in the Windows API but since Generic USB Hub and USB Input …
C# VS Windows Forms App - How to refresh textBox data with …
Dec 20, 2017 · I am new to C#, have some C in the past, and hope to use my electrical engineer experience to become a good programmer. I have a long way to go. I am creating a windows forms …
Barcode Scanner in VB.net - social.msdn.microsoft.com
Apr 7, 2016 · The device probably sends 7-bit ASCII with delimiters - such as start indicator and an end indicator (eg, CR. You should look at the byte stream to determine what data is being sent. That will …
Why can't screen capture capture the PC audio? Can Expression record ...
I was unable to get audio from my microphone to record using Expression Encoder 4 Screen Capture. My microphones (PC and external) works fine and can capture fine with oter software like …
Quasi-Bidirectional Serial communication
Jul 28, 2009 · I have a project in Visual Studio 2008, that will be used to receive and send data via a virtual serial port (to an Arduino microcontroller), it will need to send a single character, or maybe a …