public void DeleteAttribute()
{
string fileName = @"Media\04 Wish You Were Here.wma";
using (WmfMetaWriter writer = new WmfMetaWriter(fileName))
{
writer.DeleteAttribute("WM/Genre");
}
using (WmfMetaReader reader = new WmfMetaReader(fileName))
{
MetaAttributeCollection attributes = reader.GetAllAttributes();
Assert.AreEqual(null, attributes["WM/Genre"]);
}
using (WmfMetaWriter writer = new WmfMetaWriter(fileName))
{
writer.SetAttribute("WM/Genre", "Floyd");
}
using (WmfMetaReader reader = new WmfMetaReader(fileName))
{
MetaAttributeCollection attributes = reader.GetAllAttributes();
Assert.AreEqual("Floyd", attributes["WM/Genre"]);
}
}
public void GetAllAttributes()
{
using (WmfMetaReader reader = new WmfMetaReader(@"Media\04 Wish You Were Here.wma"))
{
Assert.IsNotNull(reader);
MetaAttributeCollection attributes = reader.GetAllAttributes();
Assert.AreEqual(40, attributes.Count);
Assert.AreEqual("Wish You Were Here", attributes["wm/albumtitle"]);
Assert.AreEqual("Pink Floyd", attributes["author"]);
Assert.AreEqual("Wish You Were Here", attributes["title"]);
Assert.AreEqual("04", attributes["wm/tracknumber"]);
}
}
public void Enumerate()
{
using (WmfMetaReader reader = new WmfMetaReader(@"Media\04 Wish You Were Here.wma"))
{
Assert.IsNotNull(reader);
foreach (MetaAttribute attr in reader)
{
if (attr.Name == "wm/albumtitle")
{
Assert.AreEqual("Wish You Were Here", attr.Value);
break;
}
}
}
}
public void SetAttribute()
{
const string fileName = @"Media\04 Wish You Were Here.wma";
using (WmfMetaWriter writer = new WmfMetaWriter(fileName))
{
writer.SetAttribute("Description", "Pink Floyd Rocks!");
}
using (WmfMetaReader reader = new WmfMetaReader(fileName))
{
MetaAttributeCollection attributes = reader.GetAllAttributes();
Assert.AreEqual("Pink Floyd Rocks!", attributes["Description"]);
}
using (WmfMetaWriter writer = new WmfMetaWriter(fileName))
{
writer.DeleteAttribute("Description");
}
}
