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by: hokiegal99 |
last post by:
I am a relative c newbie, so bare with me.
I need to write a program that writes all keyboard keystrokes into a
text file (up to 500KB at which point it would begin overwriting itself)
regardless of what application the user is inputing data into (email,
office documents, etc). The purpose of this program is to have a real
time backup of user input so that user input can be restored when a PC
crashes or unexpectedly looses power. The...
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by: Don Riesbeck Jr. |
last post by:
I'm working on an application (OEM) using C# that utilizes input from a
keyboard, and USB Barcode Scanner. The scanner is a HID Keyboard device,
and input from it is sent to the system as if it were a keyboard. I need to
be able to identify input from the scanner and keyboard independently. I've
looked at DirectX.DirectInput, and using user32.dll to hook into the
keyboard messages, but neither method seems to allow for identification of...
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by: rs |
last post by:
Hi guys,
I am trying to read from a USB keyboard using vb.net and HID classes. the
USB keyboard is not my primary keyboard. I have a ps2 keyboard connected and
is detected in device manager as my keyboard. the USB keyboard is detected
as HID keyboard device. the program finds the keyboard if it is attached.
and I am getting valid handles. however, everytime I use the readfile
function I am getting "object reference not set to an instant...
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by: rs |
last post by:
Hi guys,
I am trying to read from a USB keyboard using vb.net and HID classes. the
USB keyboard is not my primary keyboard. I have a ps2 keyboard connected and
is detected in device manager as my keyboard. the USB keyboard is detected
as HID keyboard device. the program finds the keyboard if it is attached.
and I am getting valid handles. however, everytime I use the readfile
function I am getting "object reference not set to an instant...
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by: nhmark64 |
last post by:
Hi,
Sometimes when I am cutting and pasting it looks like the keyboard
layout changes; for instance ',' and 'w' are interchanged. Is there
a better way to fix this problem than exiting then restarting the IDE?
Thanks,
Mark
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by: jpierson |
last post by:
Hi,
I am tryin to create a keyboard hook that sends the keystroke ctrl +
pause/break.
I haven't used keyboard hooks before so I'm not too sure how to use
them
public int MyKeyboardProc(int nCode, int wParam, int lParam)
{
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by: Nuno |
last post by:
Hello,
I'm new on C# and i'm trying to implement a control that traps a
certain sequence of keys to use for shortcut key functionality like the
one used in the the Tools->Customize->Keyboard->"Press shorcut key(s)"
control in IDE.
Traping the normal keys in the keyboard works, keys from 0-9 and A-Z
all ok, but the problem is when i press some special keys for example
this ~ < what appears on my ctrl is something like OemQuestion
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by: cvairetti |
last post by:
Hi,
I just write an application in C# that show an interface with five
button, each button starts an external application that it comes in
front of the main C# application with focus on. When the users finish
to use the external program and close it, under there is still the c#
application that let the user choose other software to start.
Now the problem is that sometimes I lost the focus of the external
application and so it becomes...
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by: Justin |
last post by:
So I have a keyboard hook that I have implemeted into my c# app. I need to
not allow any hotkey actions to be performed when my app is opened. I can
capture the key events and handle them if I want to. The only problem is
that I have fields that require input. Do I have to programmatically add the
characters to the input fields when I am handling the event. I don't want
these keys sent to the system. But only to my program.
Or does...
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by: Aycex |
last post by:
I am taking my first java class as i am a Database person this is quite interesting and here is my problem.
We are supposed to be learning to overload a class and i believe i have my code correct the problem is I cannot get the keyboard.nextdouble to accept me hitting enter and it having a null to make my overloaded method work.
Here is the code i have.
I am supposed to be able to just add in one, two, or three variables and the...
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by: marktang |
last post by:
ONU (Optical Network Unit) is one of the key components for providing high-speed Internet services. Its primary function is to act as an endpoint device located at the user's premises. However, people are often confused as to whether an ONU can Work As a Router. In this blog post, we’ll explore What is ONU, What Is Router, ONU & Router’s main usage, and What is the difference between ONU and Router. Let’s take a closer look !
Part I. Meaning of...
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by: Hystou |
last post by:
Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can effortlessly switch the default language on Windows 10 without reinstalling. I'll walk you through it.
First, let's disable language synchronization. With a Microsoft account, language settings sync across devices. To prevent any complications,...
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by: Oralloy |
last post by:
Hello folks,
I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>".
The problem is that using the GNU compilers, it seems that the internal comparison operator "<=>" tries to promote arguments from unsigned to signed.
This is as boiled down as I can make it.
Here is my compilation command:
g++-12 -std=c++20 -Wnarrowing bit_field.cpp
Here is the code in...
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by: jinu1996 |
last post by:
In today's digital age, having a compelling online presence is paramount for businesses aiming to thrive in a competitive landscape. At the heart of this digital strategy lies an intricately woven tapestry of website design and digital marketing. It's not merely about having a website; it's about crafting an immersive digital experience that captivates audiences and drives business growth.
The Art of Business Website Design
Your website is...
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by: Hystou |
last post by:
Overview:
Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows Update option using the Control Panel or Settings app; it automatically checks for updates and installs any it finds, whether you like it or not. For most users, this new feature is actually very convenient. If you want to control the update process,...
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by: isladogs |
last post by:
The next Access Europe User Group meeting will be on Wednesday 1 May 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM).
In this session, we are pleased to welcome a new presenter, Adolph Dupré who will be discussing some powerful techniques for using class modules.
He will explain when you may want to use classes instead of User Defined Types (UDT). For example, to manage the data in unbound forms.
Adolph will...
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by: conductexam |
last post by:
I have .net C# application in which I am extracting data from word file and save it in database particularly. To store word all data as it is I am converting the whole word file firstly in HTML and then checking html paragraph one by one.
At the time of converting from word file to html my equations which are in the word document file was convert into image.
Globals.ThisAddIn.Application.ActiveDocument.Select();...
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by: TSSRALBI |
last post by:
Hello
I'm a network technician in training and I need your help.
I am currently learning how to create and manage the different types of VPNs and I have a question about LAN-to-LAN VPNs.
The last exercise I practiced was to create a LAN-to-LAN VPN between two Pfsense firewalls, by using IPSEC protocols.
I succeeded, with both firewalls in the same network. But I'm wondering if it's possible to do the same thing, with 2 Pfsense firewalls...
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by: 6302768590 |
last post by:
Hai team
i want code for transfer the data from one system to another through IP address by using C# our system has to for every 5mins then we have to update the data what the data is updated we have to send another system
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