| Namespace | Windows.Devices.Midi2.Utilities.SysExTransfer |
|---|---|
| Type Name | MidiSystemExclusiveSendProgress |
| Type | WinRT Runtime Class |
| IDL | MidiSystemExclusiveSendProgress.idl |
The progress reported while MidiSystemExclusiveSender sends data. You get one in the progress callback of the IAsyncOperationWithProgress that the send method returns.
The sender creates and updates these. Your app doesn’t create them.
| Property | Description |
|---|---|
CountBytesRead |
How many bytes have been read from the source data so far |
CountMessagesSent |
How many UMP messages have been sent to the destination endpoint so far |
The source data is MIDI 1.0 bytestream SysEx, and each SysEx 7 UMP message carries up to six data bytes. So CountBytesRead usually goes up much faster than CountMessagesSent. To show a percent-complete bar, compare CountBytesRead to the size of your source data, instead of using the message count.
Windows MIDI Services is an open source project with all source available on GitHub. We have a great community on Discord as well. Between GitHub and Discord, you should find the information you are looking for.
