public bool Update(UpdatePriorities updatePriority = UpdatePriorities.Normal, UpdateStyles updateStyle = UpdateStyles.Async, bool avoidNotConnectedExceptions = true)
{
EnsureAttached();
EnsureImageUpdaterNotNull();
uint result = MethodsWrapper.UpdateBitmap(openByTypeContext.device, ImageUpdater.UnmanagedBitmapHeaderPointer, ((uint)updateStyle) | ((uint)updatePriority));
switch (result)
{
case (uint)Errors.ERROR_SUCCESS:
break;
case (uint)Errors.ERROR_SERVICE_NOT_ACTIVE:
throw new DeviceException(result, "Lglcd.Initialize() has not been called yet");
case (uint)Errors.ERROR_INVALID_PARAMETER:
throw new DeviceException(result, "Device handle is invalid or image is invalid");
case (uint)Errors.ERROR_DEVICE_NOT_CONNECTED:
// We try to avoid throwing this exception type because it happens really often
if (avoidNotConnectedExceptions)
return false;
// Not connected means it has been usb-removed, that's why I don't use "detached"
throw new DeviceException(result, "Device not connected");
case (uint)Errors.ERROR_ACCESS_DENIED:
throw new DeviceException(result, "Synchronous operation was not displayed on the LCD within the frame interval (30 ms). Error happens only with UpdateStyles.SyncComplete");
default:
throw new DeviceException(result, "Problems updating device image");
}
return true;
}
public bool Update(UpdatePriorities updatePriority = UpdatePriorities.Normal, UpdateStyles updateStyle = UpdateStyles.Async, bool avoidNotConnectedExceptions = true)
{
EnsureAttached();
EnsureImageUpdaterNotNull();
uint result = MethodsWrapper.UpdateBitmap(openByTypeContext.device, ImageUpdater.UnmanagedBitmapHeaderPointer, ((uint)updateStyle) | ((uint)updatePriority));
switch (result)
{
case (uint)Errors.ERROR_SUCCESS:
break;
case (uint)Errors.ERROR_SERVICE_NOT_ACTIVE:
throw new DeviceException(result, "Lglcd.Initialize() has not been called yet");
case (uint)Errors.ERROR_INVALID_PARAMETER:
throw new DeviceException(result, "Device handle is invalid or image is invalid");
case (uint)Errors.ERROR_DEVICE_NOT_CONNECTED:
// We try to avoid throwing this exception type because it happens really often
if (avoidNotConnectedExceptions)
{
return(false);
}
// Not connected means it has been usb-removed, that's why I don't use "detached"
throw new DeviceException(result, "Device not connected");
case (uint)Errors.ERROR_ACCESS_DENIED:
throw new DeviceException(result, "Synchronous operation was not displayed on the LCD within the frame interval (30 ms). Error happens only with UpdateStyles.SyncComplete");
default:
throw new DeviceException(result, "Problems updating device image");
}
return(true);
}
