public static CoTaskStringSafeHandle FromPointer(IntPtr pointer)
{
var r = new CoTaskStringSafeHandle();
r.SetHandle(pointer);
return(r);
}
public unsafe string[] ToStringVector()
{
if (IsInvalid)
{
throw new InvalidOperationException("The handle is invalid.");
}
if (VarType == (VarEnum.VT_VECTOR | VarEnum.VT_LPWSTR))
{
var vector = (CALPWSTR *)(handle + 8);
var cElems = vector->cElems;
if (cElems == 0)
{
return(Array.Empty <string>());
}
var r = new string[cElems];
var currentElementPointer = *vector->pElems;
for (var i = 0; i < r.Length; i++)
{
r[i] = new string(currentElementPointer);
currentElementPointer++;
}
return(r);
}
else if (PropVariantToStringVectorAlloc(this, out var buffer, out var cElems).Code != WinErrorCode.InvalidParameter)
{
using (buffer)
{
if (cElems == 0)
{
return(Array.Empty <string>());
}
var mustRelease = true;
buffer.DangerousAddRef(ref mustRelease);
try
{
var r = new string[cElems];
var currentElementPointer = (IntPtr *)buffer.DangerousGetHandle();
for (var i = 0; i < r.Length; i++)
{
r[i] = CoTaskStringSafeHandle.FromPointer(*currentElementPointer).ReadAndFree();
currentElementPointer++;
}
return(r);
}
finally
{
if (mustRelease)
{
buffer.DangerousRelease();
}
}
}
}
throw new NotImplementedException(VarType.ToString());
}
