public void GetMetadata()
{
try
{
String filename = @"E:\Music\Album Leaf\Vermillion .WMA";
ushort wStreamNum = 0;
IWMMetadataEditor MetadataEditor;
IWMHeaderInfo3 HeaderInfo3;
ushort wAttributeCount;
WMFSDKFunctions.WMCreateEditor(out MetadataEditor);
MetadataEditor.Open(filename);
HeaderInfo3 = (IWMHeaderInfo3)MetadataEditor;
HeaderInfo3.GetAttributeCount(wStreamNum, out wAttributeCount);
PrintListHeader();
for (ushort wAttribIndex = 0; wAttribIndex < wAttributeCount; wAttribIndex++)
{
WMT_ATTR_DATATYPE wAttribType;
string pwszAttribName = null;
byte[] pbAttribValue = null;
ushort wAttribNameLen = 0;
ushort wAttribValueLen = 0;
HeaderInfo3.GetAttributeByIndex(wAttribIndex,
ref wStreamNum,
pwszAttribName,
ref wAttribNameLen,
out wAttribType,
pbAttribValue,
ref wAttribValueLen);
pbAttribValue = new byte[wAttribValueLen];
pwszAttribName = new String((char)0, wAttribNameLen);
HeaderInfo3.GetAttributeByIndex(wAttribIndex,
ref wStreamNum,
pwszAttribName,
ref wAttribNameLen,
out wAttribType,
pbAttribValue,
ref wAttribValueLen);
PrintAttribute(wAttribIndex, wStreamNum, pwszAttribName, wAttribType, 0, pbAttribValue, wAttribValueLen);
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
Console.WriteLine(ex.StackTrace);
}
}
//------------------------------------------------------------------------------
// Name: ShowAttributes()
// Desc: Displays all attributes for the specified stream.
//------------------------------------------------------------------------------
bool ShowAttributes(string pwszFileName, ushort wStreamNum)
{
try
{
IWMMetadataEditor MetadataEditor;
IWMHeaderInfo3 HeaderInfo3;
ushort wAttributeCount;
WMFSDKFunctions.WMCreateEditor(out MetadataEditor);
MetadataEditor.Open(pwszFileName);
HeaderInfo3 = ( IWMHeaderInfo3 )MetadataEditor;
HeaderInfo3.GetAttributeCount(wStreamNum, out wAttributeCount);
PrintListHeader();
for (ushort wAttribIndex = 0; wAttribIndex < wAttributeCount; wAttribIndex++)
{
WMT_ATTR_DATATYPE wAttribType;
string pwszAttribName = null;
byte[] pbAttribValue = null;
ushort wAttribNameLen = 0;
ushort wAttribValueLen = 0;
HeaderInfo3.GetAttributeByIndex(wAttribIndex,
ref wStreamNum,
pwszAttribName,
ref wAttribNameLen,
out wAttribType,
pbAttribValue,
ref wAttribValueLen);
pbAttribValue = new byte[wAttribValueLen];
pwszAttribName = new String((char)0, wAttribNameLen);
HeaderInfo3.GetAttributeByIndex(wAttribIndex,
ref wStreamNum,
pwszAttribName,
ref wAttribNameLen,
out wAttribType,
pbAttribValue,
ref wAttribValueLen);
PrintAttribute(wAttribIndex, wStreamNum, pwszAttribName, wAttribType, 0, pbAttribValue, wAttribValueLen);
}
}
catch (Exception e)
{
Console.WriteLine(e.Message);
return(false);
}
return(true);
}
