private void BkgWorkerStartStopSync_ProgressChanged(object sender, ProgressChangedEventArgs e)
{
var progress = (SyncStartStopProgress)e.UserState;
UpdateButtonCallback updBtnCb = (button, text, enabled) =>
{
button.Text = text;
button.Enabled = enabled;
};
ToggleControlsEnabledCallback toggleEnabledCb = (enabled) => ToggleControlsEnabled(enabled);
switch (progress)
{
case SyncStartStopProgress.STARTING:
ToggleControlsEnabled(false);
BtnStartStop.Enabled = false;
BtnStartStop.Text = L10n.Get("AppStarting");
NotifyIconContextMenuItemStartStop.Enabled = false;
NotifyIconContextMenuItemStartStop.Text = L10n.Get("AppStarting");
break;
case SyncStartStopProgress.STOPPING:
this.Invoke(toggleEnabledCb, new object[] { false });
this.Invoke(updBtnCb, new object[] { BtnStartStop, L10n.Get("AppStopping"), false });
NotifyIconContextMenuItemStartStop.Enabled = false;
NotifyIconContextMenuItemStartStop.Text = L10n.Get("AppStopping");
break;
case SyncStartStopProgress.STARTED:
BtnStartStop.Enabled = true;
BtnStartStop.Text = L10n.Get("AppStop", AppName);
NotifyIconContextMenuItemStartStop.Enabled = true;
NotifyIconContextMenuItemStartStop.Text = L10n.Get("MenuAppStop", AppName);
Hide();
break;
case SyncStartStopProgress.STOPPED:
this.Invoke(toggleEnabledCb, new object[] { true });
this.Invoke(updBtnCb, new object[] { BtnStartStop, L10n.Get("AppStart", AppName), true });
NotifyIconContextMenuItemStartStop.Enabled = true;
NotifyIconContextMenuItemStartStop.Text = L10n.Get("MenuAppStart", AppName);
break;
}
}
private void SetText(Button button, string text)
{
if (button.InvokeRequired)
{
var d = new UpdateButtonCallback(SetText);
button.Invoke(d, new object[] { button, text });
}
else
{
button.Text = text;
}
}
public static void UpdateButton(Button btn, string text)
{
if (text == null)
{
return;
}
try {
if (btn.InvokeRequired)
{
UpdateButtonCallback d = UpdateButton;
btn.Invoke(d, btn, text);
return;
}
btn.Text = text;
}
catch {
// This catch is simply here to avoid the OCCASIONAL crash of the application when closing it by pressing the stop button in visual studio while it is running tasks
}
}
