public void UIThreadMethod()
{
InitializeComponent();
PosCommon so = wr.Target as PosCommon;
if (so != null)
{
this.Text = so.DeviceName;
// create status bar panels
sbpState = new StatusBarPanel();
sbpState.BorderStyle = StatusBarPanelBorderStyle.Sunken;
sbpState.AutoSize = StatusBarPanelAutoSize.Spring;
statusBar1.Panels.Add(sbpState);
piDataCount = so.GetType().GetProperty("DataCount");
if (piDataCount != null)
{
sbpDataCount = new StatusBarPanel();
sbpDataCount.BorderStyle = StatusBarPanelBorderStyle.Sunken;
sbpDataCount.AutoSize = StatusBarPanelAutoSize.Spring;
statusBar1.Panels.Add(sbpDataCount);
}
piDataEventEnabled = so.GetType().GetProperty("DataEventEnabled");
if (piDataEventEnabled != null)
{
sbpDataEventsEnabled = new StatusBarPanel();
sbpDataEventsEnabled.BorderStyle = StatusBarPanelBorderStyle.Sunken;
sbpDataEventsEnabled.AutoSize = StatusBarPanelAutoSize.Spring;
statusBar1.Panels.Add(sbpDataEventsEnabled);
}
}
so = null;
Application.Run(this);
}
private void SetDataEventEnabledPosCommon(ref PosCommon posCommon, bool isEnabled)
{
try
{
PropertyInfo dataEventEnabled = posCommon.GetType().GetProperty("DataEventEnabled");
if (dataEventEnabled != null)
{
dataEventEnabled.SetValue(posCommon, isEnabled, null);
}
}
catch (Exception ex)
{
sMessengeError = ex.Message;
}
}
private void HookUpEvents(PosCommon pc, bool attach)
{
EventInfo dataEvent = pc.GetType().GetEvent("DataEvent");
if (dataEvent != null)
{
if (attach)
{
dataEvent.AddEventHandler(pc, new DataEventHandler(co_OnDataEvent));
}
else
{
dataEvent.RemoveEventHandler(pc, new DataEventHandler(co_OnDataEvent));
}
}
}
void HookUpEvents(PosCommon pc, bool attach)
{
if (pc == null)
return;
if (attach)
{
pc.StatusUpdateEvent += new StatusUpdateEventHandler(co_OnStatusUpdateEvent);
pc.DirectIOEvent += new DirectIOEventHandler(co_OnDirectIOEvent);
}
else
{
pc.StatusUpdateEvent -= new StatusUpdateEventHandler(co_OnStatusUpdateEvent);
pc.DirectIOEvent -= new DirectIOEventHandler(co_OnDirectIOEvent);
}
EventInfo dataEvent = pc.GetType().GetEvent("DataEvent");
if (dataEvent != null)
{
if (attach)
dataEvent.AddEventHandler(pc, new DataEventHandler(co_OnDataEvent));
else
dataEvent.RemoveEventHandler(pc, new DataEventHandler(co_OnDataEvent));
}
EventInfo errorEvent = pc.GetType().GetEvent("ErrorEvent");
if (errorEvent != null)
{
if (attach)
errorEvent.AddEventHandler(pc, new DeviceErrorEventHandler(co_OnErrorEvent));
else
errorEvent.RemoveEventHandler(pc, new DeviceErrorEventHandler(co_OnErrorEvent));
}
EventInfo outputCompleteEvent = pc.GetType().GetEvent("OutputCompleteEvent");
if (outputCompleteEvent != null)
{
if (attach)
outputCompleteEvent.AddEventHandler(pc, new OutputCompleteEventHandler(co_OnOutputCompleteEvent));
else
outputCompleteEvent.RemoveEventHandler(pc, new OutputCompleteEventHandler(co_OnOutputCompleteEvent));
}
}
void SetCheckState(PosCommon pc, CheckBox cb, string propertyName)
{
cb.Tag = cb; // Mark the tag so that we event handler is disabled
try
{
if (pc == null)
{
cb.Enabled = cb.Checked = false;
}
else
{
PropertyInfo pi = pc.GetType().GetProperty(propertyName);
if (pi != null)
{
cb.Enabled = true;
if (pc.State != ControlState.Closed)
{
try
{
if (propertyName == "PowerNotify")
cb.Checked = ((PowerNotification)pi.GetValue(pc, null)) == PowerNotification.Enabled;
else
cb.Checked = (bool)pi.GetValue(pc, null);
}
catch (Exception)
{
cb.Checked = false;
}
}
else
cb.Checked = false;
}
else
cb.Enabled = cb.Checked = false;
}
}
finally
{
cb.Tag = null;
}
}
bool ImplementsProperty(PosCommon pc, string PropertyName)
{
if (pc != null)
return (pc.GetType().GetProperty(PropertyName) != null);
return false;
}
bool ImplementsMethod(PosCommon pc, string methodName)
{
if (pc != null)
return (pc.GetType().GetMethod(methodName) != null);
return false;
}
