private void PopulateProperties()
{
foreach (XmlPropertyDescriptor xmlPropertyDescriptor in DeviceInfo.AvaiableProperties)
{
try
{
int index = 0;
MTPDataResponse result = MTPCamera.ExecuteReadDataEx(BaseMTPCamera.CONST_CMD_GetDevicePropDesc,
xmlPropertyDescriptor.Code);
ErrorCodes.GetException(result.ErrorCode);
uint dataType = BitConverter.ToUInt16(result.Data, 2);
xmlPropertyDescriptor.DataType = dataType;
int dataLength = StaticHelper.GetDataLength(dataType);
if (dataLength < 1)
{
continue;
}
index += 4;
byte datareadonly = result.Data[index];
index += 1;
//factory def
index += dataLength;
// current value
index += dataLength;
byte formFlag = result.Data[index];
index += 1;
xmlPropertyDescriptor.DataForm = formFlag;
//UInt16 defval = BitConverter.ToUInt16(result.Data, 7);
if (formFlag == 2)
{
int length = BitConverter.ToInt16(result.Data, index);
index += 2;
for (int i = 0; i < length; i++)
{
long val = StaticHelper.GetValue(result, index, dataLength);
;
xmlPropertyDescriptor.Values.Add(new XmlPropertyValue()
{
Value = val
});
index += dataLength;
}
}
if (formFlag == 1)
{
xmlPropertyDescriptor.MinVal = StaticHelper.GetValue(result, index, dataLength);
index += dataLength;
xmlPropertyDescriptor.MaxVal = StaticHelper.GetValue(result, index, dataLength);
index += dataLength;
xmlPropertyDescriptor.Inc = StaticHelper.GetValue(result, index, dataLength);
}
}
catch (Exception exception)
{
MessageBox.Show("Error process property " + exception.Message);
}
}
}
private void btn_get_value_Click(object sender, RoutedEventArgs e)
{
try
{
if (MTPCamera == null || MTPCamera.IsConnected == false)
{
DeviceInfo = new XmlDeviceData();
SelectDevice wnd = new SelectDevice();
wnd.ShowDialog();
if (wnd.DialogResult == true && wnd.SelectedDevice != null)
{
SelectedDevice = wnd.SelectedDevice;
DeviceDescriptor descriptor = new DeviceDescriptor {
WpdId = SelectedDevice.DeviceId
};
MTPCamera = new BaseMTPCamera();
MTPCamera.Init(descriptor);
}
else
{
return;
}
}
XmlPropertyDescriptor propertyDescriptor = lst_prop.SelectedItem as XmlPropertyDescriptor;
MTPDataResponse resp = MTPCamera.ExecuteReadDataEx(BaseMTPCamera.CONST_CMD_GetDevicePropValue,
propertyDescriptor.Code);
long val = StaticHelper.GetValue(resp, 0, StaticHelper.GetDataLength(propertyDescriptor.DataType));
XmlPropertyValue selected = null;
foreach (XmlPropertyValue xmlPropertyValue in propertyDescriptor.Values)
{
if (xmlPropertyValue.Value == val)
{
selected = xmlPropertyValue;
}
}
if (selected != null)
{
lst_values.BeginInit();
lst_values.SelectedItem = selected;
lst_values.EndInit();
}
}
catch (Exception exception)
{
MessageBox.Show("Error to get value " + exception.Message);
}
}
public bool Init(DeviceDescriptor deviceDescriptor, DeviceDescription description)
{
base.Init(deviceDescriptor);
StillImageDevice imageDevice = StillImageDevice as StillImageDevice;
if (imageDevice != null)
{
imageDevice.DeviceEvent += StillImageDevice_DeviceEvent;
}
foreach (var property in description.Properties)
{
if (!string.IsNullOrEmpty(property.Name))
{
try
{
MTPDataResponse result = StillImageDevice.ExecuteReadData(CONST_CMD_GetDevicePropDesc, property.Code);
ErrorCodes.GetException(result.ErrorCode);
uint dataType = BitConverter.ToUInt16(result.Data, 2);
int dataLength = StaticHelper.GetDataLength(dataType);
var value = new PropertyValue <long> {
Code = property.Code, Name = property.Name
};
foreach (var propertyValue in property.Values)
{
value.AddValues(propertyValue.Name, propertyValue.Value);
}
value.ValueChanged += value_ValueChanged;
AdvancedProperties.Add(value);
}
catch (Exception ex)
{
Log.Error("Error ger property ", ex);
}
}
}
return(true);
}