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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.Linq;
using System.Collections.Generic;

namespace SharpShell.Attributes
{
    /// <summary>
    /// Attribute to associate a SharpShell server with a file extension.
    /// </summary>
    public class COMServerAssociationAttribute : Attribute
    {
        /// <summary>
        /// Initializes a new instance of the <see cref="COMServerAssociationAttribute"/> class.
        /// </summary>
        /// <param name="associationType">Type of the association.</param>
        /// <param name="associations">The associations.</param>
        public COMServerAssociationAttribute(AssociationType associationType, params string[] associations)
        {
            //  Set the assocation type.
            this.associationType = associationType;

            //  Set the associations.
            this.associations = associations;
        }

        /// <summary>
        /// Gets the file extension associations for a specified type.
        /// </summary>
        /// <param name="type">The type.</param>
        /// <returns>The set of file extension assocations.</returns>
        public static IEnumerable<string> GetAssociations(Type type)
        {
            var attribute = type.GetCustomAttributes(typeof(COMServerAssociationAttribute), true)
                .OfType<COMServerAssociationAttribute>().FirstOrDefault();
            return attribute != null ? attribute.Associations : new string[] {};
        }

        /// <summary>
        /// Gets the type of the association.
        /// </summary>
        /// <param name="type">The type.</param>
        /// <returns></returns>
        public static AssociationType GetAssociationType(Type type)
        {
            var attribute = type.GetCustomAttributes(typeof(COMServerAssociationAttribute), true)
                .OfType<COMServerAssociationAttribute>().FirstOrDefault();
            return attribute != null ? attribute.AssociationType : AssociationType.None;
        }

        /// <summary>
        /// The association type.
        /// </summary>
        private readonly AssociationType associationType;

        /// <summary>
        /// The extensions.
        /// </summary>
        private readonly string[] associations;

        /// <summary>
        /// Gets the type of the association.
        /// </summary>
        /// <value>
        /// The type of the association.
        /// </value>
        public AssociationType AssociationType { get { return associationType; } }

        /// <summary>
        /// Gets the associations.
        /// </summary>
        public IEnumerable<string> Associations { get { return associations; } }
    }
}

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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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