public void InitPropVariantFromInt32VectorTest()
{
var pv = new PROPVARIANT();
InitPropVariantFromInt32Vector(new int[] { 1, 2, 3, 4 }, 4, pv);
Assert.That(pv.VarType, Is.EqualTo(VarEnum.VT_VECTOR | VarEnum.VT_I4));
Assert.That(pv.Value as IEnumerable <int>, Is.Not.Null.And.Exactly(4).Items);
pv.Dispose();
}
public void InitPropVariantFromBufferTest()
{
var pv = new PROPVARIANT();
InitPropVariantFromBuffer(new byte[] { 1, 2, 3, 4 }, 4, pv);
Assert.That(pv.VarType, Is.EqualTo(VarEnum.VT_VECTOR | VarEnum.VT_UI1));
Assert.That(pv.Value as IEnumerable <byte>, Is.Not.Null.And.Exactly(4).Items);
pv.Dispose();
}
public void InitPropVariantFromFileTimeVectorTest()
{
var pv = new PROPVARIANT();
InitPropVariantFromFileTimeVector(new[] { DateTime.Now.ToFileTimeStruct(), DateTime.Today.ToFileTimeStruct() }, 2, pv);
Assert.That(pv.VarType, Is.EqualTo(VarEnum.VT_VECTOR | VarEnum.VT_FILETIME));
Assert.That(pv.Value as IEnumerable <FILETIME>, Is.Not.Null.And.Exactly(2).Items);
pv.Dispose();
}
public void InitPropVariantFromDoubleVectorTest()
{
var pv = new PROPVARIANT();
InitPropVariantFromDoubleVector(new[] { 1f, 2.0, 255.3, 0.1 }, 4, pv);
Assert.That(pv.VarType, Is.EqualTo(VarEnum.VT_VECTOR | VarEnum.VT_R8));
Assert.That(pv.Value as IEnumerable <double>, Is.Not.Null.And.Exactly(4).Items.And.Contains(0.1));
pv.Dispose();
}
public void InitPropVariantFromBooleanVectorTest()
{
var pv = new PROPVARIANT();
InitPropVariantFromBooleanVector(new[] { true, false, true, true }, 4, pv);
Assert.That(pv.VarType, Is.EqualTo(VarEnum.VT_VECTOR | VarEnum.VT_BOOL));
Assert.That(pv.Value as IEnumerable <bool>, Is.Not.Null.And.Exactly(4).Items);
pv.Dispose();
}
public void InitPropVariantFromStringVectorTest()
{
var pv = new PROPVARIANT();
InitPropVariantFromStringVector(new [] { "1", "2", "3", "4" }, 4, pv);
Assert.That(pv.VarType, Is.EqualTo(VarEnum.VT_VECTOR | VarEnum.VT_LPWSTR));
Assert.That(pv.Value as IEnumerable <string>, Is.Not.Null.And.Exactly(4).Items);
pv.Dispose();
}
public void InitPropVariantFromFileTimeTest()
{
var pv = new PROPVARIANT();
var ft = DateTime.Now.ToFileTimeStruct();
InitPropVariantFromFileTime(ref ft, pv);
Assert.That(pv.VarType, Is.EqualTo(VarEnum.VT_FILETIME));
Assert.That(pv.Value, Is.EqualTo(ft));
pv.Dispose();
}
public void InitPropVariantFromCLSIDTest()
{
var pv = new PROPVARIANT();
var g = Guid.NewGuid();
InitPropVariantFromCLSID(g, pv);
Assert.That(pv.VarType, Is.EqualTo(VarEnum.VT_CLSID));
Assert.That(pv.Value, Is.EqualTo(g));
pv.Dispose();
}
public static bool TryGetMetadataProperty <T>(this IWICMetadataQueryReader queryReader, string propertyPath, out T value)
{
if (queryReader == null)
{
throw new ArgumentNullException("queryReader");
}
value = default(T);
PROPVARIANT propvariant = default(PROPVARIANT);
int metadataByName = queryReader.GetMetadataByName(propertyPath, out propvariant);
if (-2003292352 != metadataByName)
{
GraphicsInteropNativeMethods.CheckNativeResult(metadataByName);
value = (T)((object)propvariant.Value);
propvariant.Dispose();
return(true);
}
propvariant.Dispose();
return(false);
}
public void InitPropVariantFromPropVariantVectorElemTest()
{
var pv = new PROPVARIANT(new[] { 1, 2, 3, 4 });
var pvc = new PROPVARIANT();
InitPropVariantFromPropVariantVectorElem(pv, 2, pvc);
Assert.That(pv.VarType, Is.EqualTo(VarEnum.VT_VECTOR | VarEnum.VT_I4));
Assert.That(pvc.VarType, Is.EqualTo(VarEnum.VT_I4));
Assert.That(pvc.Value, Is.TypeOf <int>().And.EqualTo(3));
pv.Dispose();
pvc.Dispose();
pv = new PROPVARIANT(3.14f);
pvc = new PROPVARIANT();
InitPropVariantFromPropVariantVectorElem(pv, 0, pvc);
Assert.That(pv.VarType, Is.EqualTo(VarEnum.VT_R4));
Assert.That(pvc.VarType, Is.EqualTo(VarEnum.VT_R4));
Assert.That(pvc.Value, Is.TypeOf <float>().And.EqualTo(3.14f));
pv.Dispose();
pvc.Dispose();
}
