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.NET Shell Extensions - Shell Drop Handlers

, 19 Jan 2013 CPOL
Rapidly create Shell Drop Handler Extensions using .NET
SharpShell.dll
SharpShell Source Code
Dependencies
Apex
Apex.WinForms.dll
SharpShell
packages
Apex.1.5.0
Apex.1.5.0.nupkg
lib
net35
Apex.dll
net40
Apex.dll
sl30
Apex.Silverlight.dll
sl3-wp
Apex.WP7.dll
sl40
Apex.Silverlight4.dll
sl4-wp71
Apex.WP7.dll
sl50
Apex.Silverlight.dll
NUnit.2.6.2
lib
nunit.framework.dll
NUnit.2.6.2.nupkg
Samples
ContextMenu
CountLinesExtension
CountLinesExtension.csproj.vspscc
Key.snk
Properties
Resources
CountLines.bmp
DropHandler
XsdDropHandler
ExampleFiles
Key.snk
Properties
XsdDropHandler.csproj.vspscc
IconHandler
DllIconHandler
DllIconHandler.csproj.vspscc
Key.snk
Properties
Resources
ManagedDll.ico
NativeDll.ico
IconOverlayHandler
ReadOnlyFileIconOverlayHandler
Key.snk
Properties
ReadOnlyFileIconOverlayHandler.csproj.vspscc
Resources
ReadOnly.ico
InfoTipHandler
FolderInfoTipHandler
FolderInfoTipHandler.csproj.vspscc
Key.snk
Properties
PropertySheet
DrivePropertySheet
DrivePropertySheet.csproj.vspscc
Key.snk
Properties
TextFilePropertySheet
Key.snk
Properties
TextFilePropertySheet.csproj.vspscc
SharpShell
Attributes
Diagnostics
Extensions
Interop
Key.snk
NativeBridge
SharpShellNativeBridge32.dll
SharpShellNativeBridge64.dll
Properties
ServerRegistration
SharpContextMenu
SharpDropHandler
SharpIconHandler
SharpIconOverlayHandler
SharpInfoTipHandler
SharpPropertySheet
SharpShell.csproj.vspscc
SharpShellNativeBridge
SharpShellNativeBridge.vcxproj.filters
SharpShellNativeBridge.vcxproj.user
SharpShellNativeBridge.vcxproj.vspscc
Tools
ServerInspector
Properties
ServerInspector.csproj.vspscc
Servers
ServerManager
About
LogView
Properties
Resources
ChangeYourView.png
ContextMenu.png
Icon.png
openHS.png
PlayHS.png
PropertySheet.png
View_Details.png
View_LargeIcons.png
View_List.png
View_SmallIcons.png
View_Tiles.png
ServerDetails
ServerManager.csproj.vspscc
SharpShell.ico
TestShell
ShellExtensionManager
Properties
ShellExtensionManager.csproj.vspscc
SharpShell Tools
Apex.dll
Apex.WinForms.dll
ServerInspector.exe
ServerManager.exe
SharpShell.dll
System.Windows.Interactivity.dll
using System;
using System.Diagnostics;

namespace SharpShell.Diagnostics
{
    /// <summary>
    /// The logging class is used for SharpShell logging.
    /// </summary>
    public static class Logging
    {
        /// <summary>
        /// Initializes the <see cref="Logging"/> class.
        /// </summary>
        static Logging()
        {
            Log(string.Format("SharpShell Diagnostics Initialised. Process {0}.", Process.GetCurrentProcess().ProcessName));
        }

        /// <summary>
        /// Logs the specified message.
        /// </summary>
        /// <param name="message">The message.</param>
        [Conditional("DEBUG")]
        public static void Log(string message)
        {
            //  Log to the event log.
            EventLog.WriteEntry(EventLog_Source, message);
        }

        /// <summary>
        /// Logs the specified message as an error.
        /// </summary>
        /// <param name="message">The message.</param>
        /// <param name="exception">The exception.</param>
        [Conditional("DEBUG")]
        public static void Error(string message, Exception exception = null)
        {
            //  Write the message.
            EventLog.WriteEntry(EventLog_Source, message, EventLogEntryType.Error);
            
            //  Write the exception, if it exists.
            if(exception != null)
                EventLog.WriteEntry(EventLog_Source, exception.ToString(), EventLogEntryType.Error);
        }

        /// <summary>
        /// Determines whether logging is enabled.
        /// </summary>
        /// <returns>
        ///   <c>true</c> if logging is enabled; otherwise, <c>false</c>.
        /// </returns>
        public static bool IsLoggingEnabled()
        {
            //  Check whether the source exists.
            return EventLog.SourceExists(EventLog_Source);
        }

        /// <summary>
        /// Enables or disables logging.
        /// </summary>
        /// <param name="enable">if set to <c>true</c> enable logging, otherwise, disable logging.</param>
        /// <returns></returns>
        public static void EnableLogging(bool enable)
        {
            if(IsLoggingEnabled() && !enable)
                EventLog.DeleteEventSource(EventLog_Source);
            else if(!IsLoggingEnabled() && enable)
                EventLog.CreateEventSource(EventLog_Source, EventLog_Log);
        }

        /// <summary>
        /// The event log log.
        /// </summary>
        private const string EventLog_Log = @"Application";

        /// <summary>
        /// The EventLog Source for SharpShell.
        /// </summary>
        public const string EventLog_Source = @"SharpShell";
    }
}

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License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

Dave Kerr
Software Developer
United Kingdom United Kingdom
Follow my blog at www.dwmkerr.com and find out about my charity at www.childrenshomesnepal.org.

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