これは、ActivateForFileメソッドのsankar回答の更新バージョンです（これに感謝します。本当に役に立ちました）。itemArrayをIntPtrではなくIShellItemArrayに変更し、shell32からインターフェイスとメソッドを追加しました。
public enum ActivateOptions
{
None = 0x00000000, // No flags set
DesignMode = 0x00000001, // The application is being activated for design mode, and thus will not be able to
// to create an immersive window. Window creation must be done by design tools which
// load the necessary components by communicating with a designer-specified service on
// the site chain established on the activation manager. The splash screen normally
// shown when an application is activated will also not appear. Most activations
// will not use this flag.
NoErrorUI = 0x00000002, // Do not show an error dialog if the app fails to activate.
NoSplashScreen = 0x00000004, // Do not show the splash screen when activating the app.
}
[ComImport, Guid("2e941141-7f97-4756-ba1d-9decde894a3d"), InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
interface IApplicationActivationManager
{
// Activates the specified immersive application for the "Launch" contract, passing the provided arguments
// string into the application. Callers can obtain the process Id of the application instance fulfilling this contract.
IntPtr ActivateApplication([In] String appUserModelId, [In] String arguments, [In] ActivateOptions options, [Out] out UInt32 processId);
IntPtr ActivateForFile([In] String appUserModelId, [In] [MarshalAs(UnmanagedType.Interface, IidParameterIndex = 2)] /*IShellItemArray* */ IShellItemArray itemArray, [In] String verb, [Out] out UInt32 processId);
IntPtr ActivateForProtocol([In] String appUserModelId, [In] IntPtr /* IShellItemArray* */itemArray, [Out] out UInt32 processId);
}
[ComImport, Guid("45BA127D-10A8-46EA-8AB7-56EA9078943C")]//Application Activation Manager
class ApplicationActivationManager : IApplicationActivationManager
{
[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)/*, PreserveSig*/]
public extern IntPtr ActivateApplication([In] String appUserModelId, [In] String arguments, [In] ActivateOptions options, [Out] out UInt32 processId);
[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
public extern IntPtr ActivateForFile([In] String appUserModelId, [In] [MarshalAs(UnmanagedType.Interface, IidParameterIndex = 2)] /*IShellItemArray* */ IShellItemArray itemArray, [In] String verb, [Out] out UInt32 processId);
[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
public extern IntPtr ActivateForProtocol([In] String appUserModelId, [In] IntPtr /* IShellItemArray* */itemArray, [Out] out UInt32 processId);
}
[ComImport]
[InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
[Guid("43826d1e-e718-42ee-bc55-a1e261c37bfe")]
interface IShellItem
{
}
[ComImport]
[InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
[Guid("b63ea76d-1f85-456f-a19c-48159efa858b")]
interface IShellItemArray
{
}
internal class Program2
{
[DllImport("shell32.dll", CharSet = CharSet.Unicode, PreserveSig = false)]
private static extern void SHCreateItemFromParsingName(
[In] [MarshalAs(UnmanagedType.LPWStr)] string pszPath,
[In] IntPtr pbc,
[In] [MarshalAs(UnmanagedType.LPStruct)] Guid iIdIShellItem,
[Out] [MarshalAs(UnmanagedType.Interface, IidParameterIndex = 2)] out IShellItem iShellItem);
[DllImport("shell32.dll", CharSet = CharSet.Unicode, PreserveSig = false)]
private static extern void SHCreateShellItemArrayFromShellItem(
[In] [MarshalAs(UnmanagedType.Interface, IidParameterIndex = 2)] IShellItem psi,
[In] [MarshalAs(UnmanagedType.LPStruct)] Guid iIdIShellItem,
[Out] [MarshalAs(UnmanagedType.Interface, IidParameterIndex = 2)] out IShellItemArray iShellItemArray);
private static void Main(string[] args)
{
ApplicationActivationManager appActiveManager = new ApplicationActivationManager();//Class not registered
uint pid;
appActiveManager.ActivateApplication("2c123c17-8b21-4eb8-8b7f-fdc35c8b7718_n2533ggrncqjt!App", null, ActivateOptions.None, out pid);
Console.WriteLine("Activated");
Console.ReadLine();
IShellItemArray array = GetShellItemArray(@"C:\temp\somefile.xyz");
appActiveManager.ActivateForFile("2c123c17-8b21-4eb8-8b7f-fdc35c8b7718_n2533ggrncqjt!App", array, "Open",
out pid);
Console.WriteLine("Activated for file");
Console.ReadLine();
}
private static IShellItemArray GetShellItemArray(string sourceFile)
{
IShellItem item = GetShellItem(sourceFile);
IShellItemArray array = GetShellItemArray(item);
return array;
}
private static IShellItem GetShellItem(string sourceFile)
{
IShellItem iShellItem = null;
Guid iIdIShellItem = new Guid("43826d1e-e718-42ee-bc55-a1e261c37bfe");
SHCreateItemFromParsingName(sourceFile, IntPtr.Zero, iIdIShellItem, out iShellItem);
return iShellItem;
}
private static IShellItemArray GetShellItemArray(IShellItem shellItem)
{
IShellItemArray iShellItemArray = null;
Guid iIdIShellItemArray = new Guid("b63ea76d-1f85-456f-a19c-48159efa858b");
SHCreateShellItemArrayFromShellItem(shellItem, iIdIShellItemArray, out iShellItemArray);
return iShellItemArray;
}
