/// <summary>
/// Trys to get friendly name for the property key. If not available via <c>PSGetNameFromPropertyKey</c>, then the name of the
/// defined field is returned (i.e. "DEVPKEY_Device_Class"). If not available, then the Guid and ID are returned.
/// </summary>
/// <param name="propKey">The property key.</param>
/// <returns>The best string representation available.</returns>
public static string LookupName(this DEVPROPKEY propKey)
{
if (PropSys.PSGetNameFromPropertyKey(new Ole32.PROPERTYKEY(propKey.fmtid, propKey.pid), out var str).Succeeded)
{
return(str);
}
return(LookupField(propKey)?.Name ?? $"{propKey.fmtid:B}[{propKey.pid}]");
}
private static void PropVariant()
{
Ole32.PROPVARIANT pv;
// SafeArray
pv = new Ole32.PROPVARIANT(new object[] { 1, DateTime.Now, Guid.NewGuid() });
AddTestResult(null, pv.ToString(), pv.parray);
pv = new Ole32.PROPVARIANT(new object[] { 1, 2, 3 });
AddTestResult(null, pv.ToString(), pv.parray);
// Struct
var ms = new SafeCoTaskMemString("TESTFMT");
pv = new Ole32.PROPVARIANT(new[] { new Ole32.CLIPDATA(ms.DangerousGetHandle(), ms.Length), new Ole32.CLIPDATA(0xCFF) });
AddTestResult(null, pv.ToString(), pv.caclipdata.ToArray()[0].ulClipFmt);
// Dates
pv = new Ole32.PROPVARIANT((DateTime?)null);
AddTestResult(null, pv.ToString(), pv.pdate);
pv = new Ole32.PROPVARIANT(DateTime.Now.AddYears(-500));
AddTestResult(null, pv.ToString(), pv.Value);
pv = new Ole32.PROPVARIANT(DateTime.Now);
AddTestResult(null, pv.ToString(), new[] { pv.Value, pv.date, pv.pdate });
pv = new Ole32.PROPVARIANT(DateTime.Now, VarEnum.VT_FILETIME);
AddTestResult(null, pv.ToString(), pv.filetime.ToString(null));
pv = new Ole32.PROPVARIANT(new[] { DateTime.Now, DateTime.Today, DateTime.MaxValue });
AddTestResult(null, pv.ToString(), pv.cadate);
// FILETIME
var ft = DateTime.Now.ToFileTimeStruct();
pv = new Ole32.PROPVARIANT(ft);
AddTestResult(null, pv.ToString(), pv.filetime.ToString(null));
pv = new Ole32.PROPVARIANT(new[] { ft, ft });
AddTestResult(null, pv.ToString(), pv.cafiletime?.Select(f => f.ToString("G")));
pv = new Ole32.PROPVARIANT(new[] { DateTime.Now, DateTime.Today, DateTime.MaxValue }, VarEnum.VT_FILETIME);
AddTestResult(null, pv.ToString(), pv.cafiletime?.Select(f => f.ToString("G")));
// Bool
pv = new Ole32.PROPVARIANT(true);
AddTestResult(null, pv.ToString(), new[] { pv.pboolVal, pv.boolVal });
pv = new Ole32.PROPVARIANT(new[] { true, false, true, false });
AddTestResult(null, pv.ToString(), pv.cabool);
PropSys.InitPropVariantFromBooleanVector(new[] { true, false, true, false }, 4, pv);
AddTestResult(null, pv.ToString(), pv.cabool);
AddTestResult(null, pv.ToString(), pv.cai);
// Int
pv = new Ole32.PROPVARIANT((int?)null);
AddTestResult(null, pv.ToString(), pv.plVal);
pv = new Ole32.PROPVARIANT(3);
AddTestResult(null, pv.ToString(), new[] { pv.Value, pv.bVal, pv.cVal, pv.iVal, pv.uiVal, pv.intVal, pv.lVal, pv.uintVal, pv.ulVal, pv.hVal, pv.uhVal, pv.scode });
pv = new Ole32.PROPVARIANT(new Win32Error(5));
AddTestResult(null, pv.ToString(), $"{pv.lVal}/{(int)pv.scode}");
pv = new Ole32.PROPVARIANT(new[] { 0, 1, 2 });
AddTestResult(null, pv.ToString(), pv.cal);
// Decimal
pv = new Ole32.PROPVARIANT(3.3m);
AddTestResult(null, pv.ToString(), new[] { pv.Value, pv.pdecVal, pv.bVal, pv.cVal, pv.iVal, pv.uiVal, pv.intVal, pv.lVal, pv.uintVal, pv.ulVal, pv.hVal, pv.uhVal, pv.fltVal, pv.dblVal });
pv = new Ole32.PROPVARIANT(3.3m, VarEnum.VT_CY);
AddTestResult(null, pv.ToString(), new[] { pv.Value, pv.pdecVal, pv.cyVal, pv.pcyVal });
pv = new Ole32.PROPVARIANT(new[] { 0m, 1m, 2m }, VarEnum.VT_CY);
AddTestResult(null, pv.ToString(), pv.cacy);
// Single/double precision
pv = new Ole32.PROPVARIANT(3.3f);
AddTestResult(null, pv.ToString(), new[] { pv.Value, pv.fltVal, pv.dblVal, pv.pdecVal, pv.bVal, pv.cVal, pv.iVal, pv.uiVal, pv.intVal, pv.lVal, pv.uintVal, pv.ulVal, pv.hVal, pv.uhVal });
pv = new Ole32.PROPVARIANT(3.3);
AddTestResult(null, pv.ToString(), new[] { pv.Value, pv.fltVal, pv.dblVal });
pv = new Ole32.PROPVARIANT(new[] { 0.0f, 1.1f, 2.2f });
AddTestResult(null, pv.ToString(), pv.caflt);
pv = new Ole32.PROPVARIANT(new[] { 0.0, 1.1, 2.2 });
AddTestResult(null, pv.ToString(), pv.cadbl);
// Byte
pv = new Ole32.PROPVARIANT((byte)3);
AddTestResult(null, pv.ToString(), pv.bVal);
pv = new Ole32.PROPVARIANT(new byte[] { 0, 1, 2 });
AddTestResult(null, pv.ToString(), pv.caub);
// Guid
pv = new Ole32.PROPVARIANT(Guid.NewGuid());
AddTestResult(null, pv.ToString(), pv.puuid);
pv = new Ole32.PROPVARIANT(new[] { Guid.NewGuid(), Guid.NewGuid() });
AddTestResult(null, pv.ToString(), pv.cauuid);
// String
pv = new Ole32.PROPVARIANT("TestNoVTVal");
AddTestResult(null, pv.ToString(), new[] { pv.Value, pv.pszVal, pv.pwszVal, pv.bstrVal, pv.pbstrVal });
pv = new Ole32.PROPVARIANT("TestBSTR", VarEnum.VT_BSTR);
AddTestResult(null, pv.ToString(), new[] { pv.Value, pv.pszVal, pv.pwszVal, pv.bstrVal, pv.pbstrVal });
pv = new Ole32.PROPVARIANT("TestLPSTR", VarEnum.VT_LPSTR);
AddTestResult(null, pv.ToString(), new[] { pv.Value, pv.pszVal, pv.pwszVal, pv.bstrVal, pv.pbstrVal });
pv = new Ole32.PROPVARIANT("TestLPWSTR", VarEnum.VT_LPWSTR);
AddTestResult(null, pv.ToString(), new[] { pv.Value, pv.pszVal, pv.pwszVal, pv.bstrVal, pv.pbstrVal });
pv = new Ole32.PROPVARIANT(new[] { "TestStrVec", "X" });
AddTestResult(null, pv.ToString(), pv.calpwstr);
pv = new Ole32.PROPVARIANT(new[] { 1, 2, 3 }, VarEnum.VT_LPWSTR);
AddTestResult(null, pv.ToString(), pv.calpwstr);
PropSys.InitPropVariantFromStringVector(new[] { "TestStrVec", "X" }, 2, pv);
AddTestResult(null, pv.ToString(), pv.calpwstr);
}
