/// <summary>
/// Removes the associations/registrations of the specified file types (extensions) from a specified application.
/// </summary>
/// <param name="company">The company name of the software in question.</param>
/// <param name="applicationName">Name of the application.</param>
/// <returns><c>true</c> if the operation was successful, <c>false</c> otherwise.</returns>
// ReSharper disable once UnusedMember.Global, this is a class to be copied and used in another program..
public static bool UnAssociateFiles(string company, string applicationName)
{
var result = false;
try
{
int valueCount;
var appRegistryTree = string.Concat(@"SOFTWARE\", company, @"\", applicationName);
// register the registered file types..
using (var key = CommonCalls.OpenOrCreateKeyHKLM(appRegistryTree))
{
var registryValue = key.GetValue("Associations").ToString();
var associationStrings = registryValue.Split(':');
foreach (var associationString in associationStrings)
{
var extension = associationString.Split('|')[0];
if (extension.StartsWith("(")) // format: (.m3u/.m3u8)|Music playlist files..
{
string[] innerExtensions = extension.TrimStart('(').TrimEnd(')').Split('/');
foreach (var innerExtension in innerExtensions)
{
result |= UnAssociate(innerExtension, applicationName);
}
}
else // format: .txt|Text files..
{
result |= UnAssociate(extension, applicationName);
}
}
valueCount = key.ValueCount;
}
if (valueCount == 0)
{
Microsoft.Win32.Registry.LocalMachine.DeleteSubKeyTree(appRegistryTree);
}
return(result);
}
catch (Exception ex)
{
// report the exception..
ReportExceptionAction?.Invoke(ex);
return(false);
}
}
// ReSharper disable once CommentTypo
/// <summary>
/// Associates/registers the specified file types (extensions) to a specified application.
/// </summary>
/// <param name="company">The company name of the software in question.</param>
/// <param name="applicationName">Name of the application.</param>
/// <param name="applicationExecutableFile">The application executable file.</param>
/// <param name="associationList">A semi-colon delimited string of file extensions and their names (.ext;name|.ext2;name2).</param>
/// <param name="rootDefault">if set to <c>true</c> HKCR (HKey Classes Root) default value is set for the specified application.</param>
/// <param name="iconIndex">Index of the icon to use from the <see paramref="applicationExecutableFile"/>.</param>
/// <returns><c>true</c> if the operation was successful, <c>false</c> otherwise.</returns>
// ReSharper disable once UnusedMember.Global, this is a class to be copied and used in another program..
public static bool AssociateFiles(string company, string applicationName, string applicationExecutableFile, string associationList,
bool rootDefault, int iconIndex = 0)
{
var result = false;
try
{
var appRegistryTree = string.Concat(@"SOFTWARE\", company, @"\", applicationName);
// register the registered file types..
using (var key = CommonCalls.OpenOrCreateKeyHKLM(appRegistryTree))
{
key.SetValue("Associations", associationList);
}
var associationStrings = associationList.Split(':');
foreach (var associationString in associationStrings)
{
var associationData = associationString.Split('|');
if (associationData[0].StartsWith("(")) // format: (.m3u/.m3u8)|Music playlist files..
{
string[] innerExtensions = associationData[0].TrimStart('(').TrimEnd(')').Split('/');
foreach (var innerExtension in innerExtensions)
{
result |= Associate(applicationExecutableFile, innerExtension, applicationName, rootDefault,
associationData[1], iconIndex);
}
}
else // format: .txt|Text files..
{
result |= Associate(applicationExecutableFile, associationData[0], applicationName, rootDefault,
associationData[1], iconIndex);
}
}
return(result);
}
catch (Exception ex)
{
// report the exception..
ReportExceptionAction?.Invoke(ex);
return(false);
}
}
