public void ComEnumeratorTest5()
{
// Test IntPtr -> string conversion
var fn = System.IO.Path.GetTempFileName();
var hr = StgCreateStorageEx(fn,
STGM.STGM_DELETEONRELEASE | STGM.STGM_CREATE | STGM.STGM_DIRECT | STGM.STGM_READWRITE | STGM.STGM_SHARE_EXCLUSIVE,
STGFMT.STGFMT_DOCFILE, 0, IntPtr.Zero, IntPtr.Zero, typeof(IStorage).GUID, out object iptr);
Assert.That(hr, Is.EqualTo((HRESULT)HRESULT.S_OK));
var istg = (IStorage)iptr;
Assert.That(istg, Is.InstanceOf <IStorage>());
var istgc = istg.CreateStorage("temp",
STGM.STGM_CREATE | STGM.STGM_DIRECT | STGM.STGM_WRITE | STGM.STGM_SHARE_EXCLUSIVE, 0, 0);
istgc.Commit(STGC.STGC_DEFAULT);
var istr = istg.CreateStream("stream1",
STGM.STGM_CREATE | STGM.STGM_DIRECT | STGM.STGM_WRITE | STGM.STGM_SHARE_EXCLUSIVE, 0, 0);
var strb = "Some string text".GetBytes();
istr.Write(strb, strb.Length, IntPtr.Zero);
istr.Commit((int)STGC.STGC_DEFAULT);
istg.Commit(STGC.STGC_DEFAULT);
var ee = istg.EnumElements(0, IntPtr.Zero, 0);
// Test IEnumerable
bool Next(out STATSTG p)
{
var a = new STATSTG[1];
var b = ee.Next(1, a, out var f).Succeeded&& f == 1;
p = b ? a[0] : default(STATSTG);
return(b);
}
var e = new IEnumFromNext <STATSTG>(Next, ee.Reset);
foreach (var p in e)
{
//Assert.That(p.cbSize, Is.Not.Zero);
TestContext.WriteLine(p.pwcsName);
}
// Test IEnumerator
var g = e.GetEnumerator();
g.Reset();
Assert.That(g.MoveNext(), Is.True);
g.Dispose();
Assert.That(g.MoveNext(), Is.False);
}
public void ComEnumeratorTest6()
{
var pidls = new[]
{
KNOWNFOLDERID.FOLDERID_Documents.PIDL(), KNOWNFOLDERID.FOLDERID_Pictures.PIDL(),
KNOWNFOLDERID.FOLDERID_Videos.PIDL()
}.Select(p => (IntPtr)p).ToArray();
var hr = SHCreateShellItemArrayFromIDLists((uint)pidls.Length, pidls, out IShellItemArray iarr);
Assert.That(hr, Is.EqualTo((HRESULT)HRESULT.S_OK));
var ei = iarr.EnumItems();
// Test IEnumerable
bool Next(out IShellItem p)
{
var a = new IShellItem[1];
var b = ei.Next(1, a, out var f).Succeeded&& f == 1;
p = b ? a[0] : null;
return(b);
}
var e = new IEnumFromNext <IShellItem>(Next, ei.Reset);
foreach (var p in e)
{
Assert.That(p, Is.Not.Null);
TestContext.WriteLine(p.GetDisplayName(SIGDN.SIGDN_PARENTRELATIVE));
Marshal.ReleaseComObject(p);
}
// Test IEnumerator
var g = e.GetEnumerator();
g.Reset();
Assert.That(g.MoveNext(), Is.True);
g.Dispose();
Assert.That(g.MoveNext(), Is.False);
}