private bool BeginList()
{
if (UserRemovedItems == null)
{
throw new InvalidOperationException(
"You must register for the JumpListManager.UserRemovedItems event before adding any items");
}
object obj;
_customDestinationList.BeginList(
out _maxSlotsInList,
ref SafeNativeMethods.IID_IObjectArray,
out obj);
IObjectArray removedItems = (IObjectArray)obj;
uint count;
removedItems.GetCount(out count);
if (count == 0)
return true;
string[] removedItemsArr = new string[count];
for (uint i = 0; i < count; ++i)
{
object item;
removedItems.GetAt(i, ref SafeNativeMethods.IID_IUnknown, out item);
try
{
IShellLinkW shellLink = (IShellLinkW)item;
if (shellLink != null)
{
StringBuilder sb = new StringBuilder(256);
shellLink.GetPath(sb, sb.Capacity, IntPtr.Zero, 2);
removedItemsArr[i] = sb.ToString();
}
continue;
}
catch (InvalidCastException)//It's not a shell link
{
}
try
{
VistaBridgeInterop.IShellItem shellItem = (VistaBridgeInterop.IShellItem)item;
if (shellItem != null)
{
string path;
shellItem.GetDisplayName(
VistaBridgeInterop.SafeNativeMethods.SIGDN.SIGDN_FILESYSPATH,
out path);
removedItemsArr[i] = path;
}
}
catch (InvalidCastException)
{
//It's neither a shell link nor a shell item.
//This is impossible.
Debug.Assert(false,
"List of removed items contains something that is neither a shell item nor a shell link");
}
}
UserRemovedItemsEventArgs args = new UserRemovedItemsEventArgs(removedItemsArr);
UserRemovedItems(this, args);
if (args.CancelCurrentOperation)
{
_customDestinationList.AbortList();
}
return !args.CancelCurrentOperation;
}
private bool BeginList()
{
if (UserRemovedItems == null)
{
throw new InvalidOperationException(
"You must register for the JumpListManager.UserRemovedItems event before adding any items");
}
object obj;
_customDestinationList.BeginList(
out _maxSlotsInList,
ref SafeNativeMethods.IID_IObjectArray,
out obj);
IObjectArray removedItems = (IObjectArray)obj;
uint count;
removedItems.GetCount(out count);
if (count == 0)
{
return(true);
}
string[] removedItemsArr = new string[count];
for (uint i = 0; i < count; ++i)
{
object item;
removedItems.GetAt(i, ref SafeNativeMethods.IID_IUnknown, out item);
try
{
IShellLinkW shellLink = (IShellLinkW)item;
if (shellLink != null)
{
StringBuilder sb = new StringBuilder(256);
shellLink.GetPath(sb, sb.Capacity, IntPtr.Zero, 2);
removedItemsArr[i] = sb.ToString();
}
continue;
}
catch (InvalidCastException)//It's not a shell link
{
}
try
{
VistaBridgeInterop.IShellItem shellItem = (VistaBridgeInterop.IShellItem)item;
if (shellItem != null)
{
string path;
shellItem.GetDisplayName(
VistaBridgeInterop.SafeNativeMethods.SIGDN.SIGDN_FILESYSPATH,
out path);
removedItemsArr[i] = path;
}
}
catch (InvalidCastException)
{
//It's neither a shell link nor a shell item.
//This is impossible.
Debug.Assert(false,
"List of removed items contains something that is neither a shell item nor a shell link");
}
}
UserRemovedItemsEventArgs args = new UserRemovedItemsEventArgs(removedItemsArr);
UserRemovedItems(this, args);
if (args.CancelCurrentOperation)
{
_customDestinationList.AbortList();
}
return(!args.CancelCurrentOperation);
}