windows-registry

Inhibiting registry virtualization programatically

In the context of a generalized .NET-based component, which can be hosted in a variety of scenarios - i.e., 64 bit or not, interactive process or not, I need to write to the registry in an area that's subject to UAC virtualisation. However, I want to prevent such access from being virtualized in order that each execution is not subject t...

Adding registry entries at the top in windows registry key c#

i would like to add my registry entries always on top of the list, for example if 10 registry entries in run key , i would like to place my registry entry at the top of the key. ...

How to Programatically Tweak Windows Screensaver Registry Settings

I'm working on code that's supposed to start the screensaver defined by the user preferences. (The code is in Java, but will only be run under Windows.) My current approach is to set the ScreenSaveTimeOut value in the registry to 1; in theory, that should kick the screensaver on after a delay of merely one second. But in practice, it ...

Create registry entry to associate file extension with application in C++

I would like to know the cleanest way of registering a file extension with my C++ application so that when a data file associated with my program is double clicked, the application is opened and the filename is passed as a parameter to the application. Currently, I do this through my wix installer, but there are some instances where th...

.Net Registry Security Permissions - User with Permissions cannot access Registry

Hi Guys, For my .net application i have a mechanism that creates a special user on the local machine. I then create the Registry / Directory entries and assign this newly created user full access to the appropriate Sub Keys / Folders. For my test i use Impersonation to setup the enviroment to run under this new user, and then run some ...

Updating every profile's registry on Windows Server 2003

I have a Windows Server 2003 system that is used for terminal services. We do not use roaming profiles. We do not use login scripts. I have about thirty to fourty accounts that log into this system and as such have local profiles. One of the software packages that are installed onto this system uses HKCU/Software reg tree for its...

Check registry permission without throwing exception

I have a piece of code like this try { RegistryKey regKey = Registry.LocalMachine.CreateSubKey("SOFTWARE\\xxxx\\yyyyy"); // more code } catch { } I don't like the use of the empty catch block. But, it's useful because if the user don't have permissions to access the Registry, nothing should be done. This piece of code ge...

Programmatically Changing XP Appearance Settings

I am trying to silently apply very specific appearance settings for a single user with poor eyesight on an XP machine. I can alter the settings by using the appearance tab of the display settings dialog and clicking apply/ok. Doing this works however the user cannot see well enough to change her settings back to how she likes them each...

How to determine if a registry key exists in Wix

I want to determine if a Registry key exists in Wix. I cannot make any assumptions about value names in that key, but at least one exists. Default value is not set. Is it possible to check if the key exists (and optionally, if it has any values) without using custom actions? ...

Windows xp Change Wallpaper to Webpage

To do this manual i just pick a html file in the change wallpaper dialog and tada works.. but if i want to do this from code what api calls / reg keys must i change? Iv tryed this SystemParametersInfo (WinAPI) didnt work and i have found out that "HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Desktop\General\Wallpaper" and "HK...

couldn't access registry HKLM keys

couldn't access registry HKLM keys from windows xp limited/guest user accounts public int GetEnabledStatus() { RegistryKey hklm = Registry.LocalMachine; int Res; try { RegistryKey run1 = hklm.OpenSubKey(@"Software\Microsoft\Windows\myApp", true); hkcu.OpenSubKey(@"Software\Microsoft\Windows\myApp", true); Res = in...

How to remove registry value and key from registry entry

Hi, I already setting key and value in the registry entry by using RegSetValueExA, and it's created . But Now I want to delete that key and value from registry entry and for that I am using RegDeleteKey but its giving error 2 which is "The system cannot find the file specified.", can you tell me how can I solve this. Thanks, Kamal Kuma...

RegQueryValueEx - What code add to this function to show ERROR_SUCCESS

What code add to this function to work good? (ERROR_SUCCESS) I have code, that check value in registry. In function RegQueryValueEx is bug. When oldValue is few letters longer than newValue, function shows ERROR_MORE_DATA, but I want want ERROR_SUCCESS What code add to this function to do this? void function(string newValue, string k...

Can't create a new Windows Azure Project - "Requested registry access is not allowed "

When I attempt to create a new Cloud Service project, after it prompts me for 'Roles', I get the following error message and VS just stops: "Requested registry access is not allowed " I am running Visual Studio as an administrator, so what gives? I found a couple of sites that mention using "subinacl" to correct the permissions, but I...

Delete a registry value using a CAB installer

Is it possible to delete a registry key using a CAB installer that is generated using VS2005? The CAB is targeted at Windows CE 6. Edit: I did find this http://forum.xda-developers.com/showthread.php?t=415990, but I was hoping to find a way to do it using VS2005 or VS2008 and in an easier way. (I did not even start to try the instruct...

How to share windows registry on remote machine?

Hello, Is it possible to share windows registry on remote machine? Or we can keep in synch two machines windows registry. Please help.. Kartik ...

Finding out what Registry keys have been changed C#

Hello, I'm currently in the process of developing and researching the feasibility of creating a small application to monitor personal preference changes within the registry. Where I've just started working are using mandatory profiles on the users meaning personal preferences aren't saved. The idea of this project is to monitor person...

Access to the windows registry using ADO .Net

Exist any ADO.NET Provider for access to the windows registry? Or rather you can use ADO to connect to the windows registry? Thanks in advance. ...

Writing values to the registry with C#

Hello, I'm in the process of creating a C# application which will monitor changes made to the registry and write them back to the registry next time the user logs on. So far I've got it monitoring changes, reporting them, writing the hive, key and value to a text file. I'm now at the point where I need to take them values out of the f...

How do I grant a service user sufficient rights to create registry keys in windows 7

I have an application that runs as a service, and dynamically creates and publishes windows performance (perfmon) counters. When I run the application under my own account (as a service) which has administrative privileges, I get the following error: 714: The specified registry key is referenced by a predefined handle. When I run the a...