private void DispatchOnMainThreadAsync(Func <Task> callback)
{
_coreShell.DispatchOnMainThreadAsync(callback)
.Unwrap()
.SilenceException <OperationCanceledException>()
.DoNotWait();
}
public async Task <ExecutionResult> InitializeAsync()
{
try {
if (!Session.IsHostRunning)
{
await Session.StartHostAsync(new RHostStartupInfo {
Name = "REPL",
RBasePath = _settings.RBasePath,
RHostCommandLineArguments = _settings.RCommandLineArguments,
CranMirrorName = _settings.CranMirror,
WorkingDirectory = _settings.WorkingDirectory
});
}
return(ExecutionResult.Success);
} catch (RHostBinaryMissingException) {
await _coreShell.DispatchOnMainThreadAsync(() => _coreShell.ShowErrorMessage(Resources.Error_Microsoft_R_Host_Missing));
return(ExecutionResult.Failure);
} catch (Exception) {
return(ExecutionResult.Failure);
}
}