private void ApplyChanges(OnTaskStatusChangeDelegate changeDelegate)
{
Dictionary <string, string> taskParams = new Dictionary <string, string>()
{
{ "QueryService", ((ServiceInfo)InputData["SourceObject"]).Name },
};
if (StartupTypeChanged)
{
taskParams.Add("StartType", ((int)NewServiceStartMode).ToString());
}
if (LogOnPasswordChanged)
{
taskParams.Add("Password", NewLogOnPassword);
}
if (LogOnNameChanged)
{
taskParams.Add("ServiceStartName", NewLogOnName);
}
ParentTabView.SubmitTaskAsync(ParentTabView.ConfigureServiceTaskId, ParentTabView.ManagementObject, taskParams, changeDelegate);
}
private void OnTaskStatusChange(Guid batchId, IList <Microsoft.EnterpriseManagement.Runtime.TaskResult> results, bool completed)
{
Dbg.Log($"Entering {MethodBase.GetCurrentMethod().Name}");
if (results == null)
{
return;
}
if (!IsHandleCreated)
{
return;
}
lock (onTaskStatusChangeLock)
{
Guid taskId = Guid.Empty;
try
{
taskId = results?.FirstOrDefault()?.TaskId ?? Guid.Empty;
OnTaskStatusChangeDelegate taskCallback = MPTasks[taskId].TaskCallbacks[batchId];
if (taskId != Guid.Empty && taskCallback != null)
{
if (taskCallback.Target is System.Windows.Forms.Control callbackControl)
{
try
{
callbackControl.Invoke(taskCallback, new object[] { results, completed });
}
catch { }
}
}
if (completed && taskId != Guid.Empty)
{
MPTasks[taskId].TaskCallbacks.Remove(batchId);
}
}
catch { }
if (taskId != Guid.Empty)
{
try
{
int tasksInProgress = MPTasks[taskId].TaskCallbacks.Count;
if (tasksInProgress == 0)
{
Invoke(new Action <string>(UpdateTaskStatus), new object[] { "" });
}
else
{
string msg = $"{tasksInProgress} task{(tasksInProgress == 1 ? "" : "s")} {(tasksInProgress == 1 ? "is" : "are")} waiting to complete...";
Invoke(new Action <string>(UpdateTaskStatus), new object[] { msg });
}
Dbg.Log($"Callback dictionary size: {tasksInProgress}");
}
catch
{
Invoke(new Action <string>(UpdateTaskStatus), new object[] { "" });
}
}
}
}
public void SubmitTaskAsync(Guid taskId, EnterpriseManagementObject mo, Dictionary <string, string> taskParameters, OnTaskStatusChangeDelegate statusChangeCallback)
{
Dbg.Log($"Entering {MethodBase.GetCurrentMethod().Name}");
try
{
if (!MPTasks.ContainsKey(taskId))
{
GetTaskObjects(taskId);
}
if (MPTasks.ContainsKey(taskId))
{
Microsoft.EnterpriseManagement.Runtime.TaskConfiguration taskParams = new Microsoft.EnterpriseManagement.Runtime.TaskConfiguration();
if (taskParameters != null)
{
foreach (KeyValuePair <string, string> paramPair in taskParameters)
{
taskParams.Overrides.Add(new Pair <ManagementPackOverrideableParameter, string>(MPTasks[taskId].OverrideableParameters[paramPair.Key], paramPair.Value));
}
}
UpdateTaskStatus("Starting a new task...");
Guid batchId = ManagementGroup.TaskRuntime.SubmitTask(mo, MPTasks[taskId].ManagementPackTask, taskParams, new Microsoft.EnterpriseManagement.Runtime.TaskStatusChangeCallback(OnTaskStatusChange));
MPTasks[taskId].TaskCallbacks.Add(batchId, statusChangeCallback);
UpdateTaskStatus("Waiting on task completion...");
}
}
catch (Exception e)
{
MessageBox.Show($"Failed to start task.\r\nError message: {e.Message}.", "Task Failure", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
