typedef enum ltmmLogFile_Flag
{
    ltmmLogFile_GeneralInfo = 0x00000001,
    ltmmLogFile_GraphEvents = 0x00000002,
    ltmmLogFile_GraphBuilder = 0x00000004,
    ltmmLogFile_GraphSnapshot = 0x00000008,
    ltmmLogFile_StreamInfo = 0x00000010,
    ltmmLogFile_RegisteredFilters = 0x00000020,
    ltmmLogFile_Append = 0x80000000
} ltmmLogFile_Flag;
The ltmmLogFile_Flag Constants specify the desired logging options used by the IltmmConvert::OpenLogFile function.
You can combine values when appropriate by using a bitwise OR ( | ).
| Constant | Description | 
| ltmmLogFile_GeneralInfo | [0x00000001] Log general operations information: running and stopping graphs, abortion, completion, state requests, etc. | 
| ltmmLogFile_GraphEvents | [0x00000002] Log media events. | 
| ltmmLogFile_GraphBuilder | [0x00000004] Log information related to building graphs. | 
| ltmmLogFile_GraphSnapshot | [0x00000008] Log graph attributes. Writes all the attributes of the graph for later inspection (as if a snapshot had been taken for the graph). | 
| ltmmLogFile_StreamInfo | [0x00000010] Log stream information: type, start, end, etc. | 
| ltmmLogFile_RegisteredFilters | [0x00000020] Write all registered filters information, system wide. | 
| ltmmLogFile_Append | [0x80000000] Append the new information to the end of the specified log file. |