public void OnEvent(IPortableDeviceValues pEventParameters)
{
pEventParameters.GetStringValue(WpdHelper.pKey.WPD_EVENT_PARAMETER_PNP_DEVICE_ID, out deviceId);
pEventParameters.GetStringValue(WpdHelper.pKey.WPD_EVENT_PARAMETER_EVENT_ID, out eventId);
if (eventId.Contains(WpdHelper.pGuid.WPD_EVENT_DEVICE_RESET.ToString().ToUpper()) ||
eventId.Contains(WpdHelper.pGuid.WPD_EVENT_DEVICE_REMOVED.ToString().ToUpper()))
{
if (WpdHelper.UnexpectedClosed != null)
{
WpdHelper.UnexpectedClosed();
}
}
else
{
/*
* if (eventId.Contains(WpdHelper.pGuid.WPD_EVENT_OBJECT_ADDED.ToString().ToUpper()))
* {
* eventId = "1";
* }
* else if (eventId.Contains(WpdHelper.pGuid.WPD_EVENT_OBJECT_REMOVED.ToString().ToUpper()))
* {
* eventId = "2";
* }
* else if (eventId.Contains(WpdHelper.pGuid.WPD_EVENT_OBJECT_UPDATED.ToString().ToUpper()))
* {
* eventId = "3";
* }
* */
}
}
/// <summary>
/// 获取对象名
/// </summary>
public string GetObjectName(IPortableDeviceValues objectValues)
{
string objectName;
objectValues.GetStringValue(ref pKey.WPD_OBJECT_NAME, out objectName);
return(objectName);
}
/// <summary>
/// Extract device capabilities
/// </summary>
/// <param name="portableDeviceClass"></param>
internal void ExtractDeviceCapabilities(PortableDeviceClass portableDeviceClass)
{
if (portableDeviceClass == null)
{
throw new ArgumentNullException("portableDeviceClass");
}
try
{
PortableDeviceApiLib.IPortableDeviceCapabilities capabilities;
portableDeviceClass.Capabilities(out capabilities);
if (capabilities == null)
{
Trace.WriteLine("Cannot extract capabilities from device");
throw new PortableDeviceException("Cannot extract capabilities from device");
}
IPortableDevicePropVariantCollection functionalCategories;
capabilities.GetFunctionalCategories(out functionalCategories);
if (functionalCategories == null)
{
throw new PortableDeviceException("Failed to extract functionnal categories");
}
uint countCategories = 1;
functionalCategories.GetCount(ref countCategories);
tag_inner_PROPVARIANT values = new tag_inner_PROPVARIANT();
PortableDeviceApiLib.IPortableDeviceValues pValues = (PortableDeviceApiLib.IPortableDeviceValues) new PortableDeviceTypesLib.PortableDeviceValuesClass();
string categoryName;
Guid currentGuid;
for (uint i = 0; i < countCategories; i++)
{
functionalCategories.GetAt(i, ref values);
pValues.SetValue(ref PortableDevicePKeys.WPD_COMMAND_CAPABILITIES_GET_SUPPORTED_FUNCTIONAL_CATEGORIES, ref values);
pValues.GetStringValue(ref PortableDevicePKeys.WPD_COMMAND_CAPABILITIES_GET_SUPPORTED_FUNCTIONAL_CATEGORIES, out categoryName);
currentGuid = new Guid(categoryName);
this.functionalCategories.Add(currentGuid, new FunctionalCategory(
portableDeviceClass,
currentGuid,
PortableDeviceHelpers.GetKeyNameFromGuid(currentGuid)));
}
}
catch (Exception ex)
{
throw new PortableDeviceException("Error on extract device capabilities", ex);
}
}
private void ExtractContentType(PortableDeviceClass portableDeviceClass, Guid functionalCategory)
{
if (portableDeviceClass == null)
{
throw new ArgumentNullException("portableDeviceClass");
}
try
{
PortableDeviceApiLib.IPortableDeviceCapabilities capabilities;
portableDeviceClass.Capabilities(out capabilities);
if (capabilities == null)
{
System.Diagnostics.Trace.WriteLine("Cannot extract capabilities from device");
throw new PortableDeviceException("Cannot extract capabilities from device");
}
PortableDeviceApiLib.IPortableDeviceValues pValues = (PortableDeviceApiLib.IPortableDeviceValues) new PortableDeviceTypesLib.PortableDeviceValuesClass();
//Functional objects variables
IPortableDevicePropVariantCollection contentTypes;
uint countObjects = 1;
tag_inner_PROPVARIANT values = new tag_inner_PROPVARIANT();
string contentTypeName;
Guid currentContentTypeGuid;
capabilities.GetSupportedContentTypes(ref functionalCategory, out contentTypes);
contentTypes.GetCount(ref countObjects);
for (uint i = 0; i < countObjects; i++)
{
contentTypes.GetAt(i, ref values);
pValues.SetValue(ref PortableDevicePKeys.WPD_COMMAND_CAPABILITIES_GET_SUPPORTED_CONTENT_TYPES, ref values);
pValues.GetStringValue(ref PortableDevicePKeys.WPD_COMMAND_CAPABILITIES_GET_SUPPORTED_CONTENT_TYPES, out contentTypeName);
currentContentTypeGuid = new Guid(contentTypeName);
this.contentTypes.Add(currentContentTypeGuid, new ContentType(
portableDeviceClass,
currentContentTypeGuid,
PortableDeviceHelpers.GetKeyNameFromGuid(currentContentTypeGuid)));
}
}
catch (Exception ex)
{
throw new PortableDeviceException("Error on extract functional object", ex);
}
}
private void ExtractSupportedFormat(PortableDeviceClass portableDeviceClass, Guid contentType)
{
if (portableDeviceClass == null)
{
throw new PortableDeviceException("");
}
PortableDeviceApiLib.IPortableDeviceCapabilities capabilities;
portableDeviceClass.Capabilities(out capabilities);
if (capabilities == null)
{
System.Diagnostics.Trace.WriteLine("Cannot extract capabilities from device");
throw new PortableDeviceException("Cannot extract capabilities from device");
}
PortableDeviceApiLib.IPortableDeviceValues pValues = (PortableDeviceApiLib.IPortableDeviceValues) new PortableDeviceTypesLib.PortableDeviceValuesClass();
//Functional objects variables
IPortableDevicePropVariantCollection formats;
uint countObjects = 1;
tag_inner_PROPVARIANT values = new tag_inner_PROPVARIANT();
string formatName;
Guid currentFormat;
capabilities.GetSupportedFormats(ref contentType, out formats);
formats.GetCount(ref countObjects);
for (uint i = 0; i < countObjects; i++)
{
formats.GetAt(i, ref values);
pValues.SetValue(ref PortableDevicePKeys.WPD_COMMAND_CAPABILITIES_GET_SUPPORTED_FORMATS, ref values);
pValues.GetStringValue(ref PortableDevicePKeys.WPD_COMMAND_CAPABILITIES_GET_SUPPORTED_FORMATS, out formatName);
currentFormat = new Guid(formatName);
this.formats.Add(currentFormat, PortableDeviceHelpers.GetKeyNameFromGuid(currentFormat));
}
}
