/// <summary>
/// Returns all running com proxies there is match with given arguments
/// </summary>
/// <param name="componentName">component name, for example Excel</param>
/// <param name="className">class name, for example Application</param>
/// <returns>COM proxy enumerator</returns>
public static IDisposableSequence GetActiveInstances(string componentName, string className)
{
string compName = ValidateArgumentString(componentName);
string clsName = ValidateArgumentString(className);
if (compName == "EXCEL" && className == "APPLICATION")
{
return(GetActiveExcelApplicationProxiesFromDesktop());
}
else
{
return(RunningObjectTable.GetActiveProxies(componentName, className));
}
}
/// <summary>
/// Returns a running com proxy there is match with given arguments
/// </summary>
/// <param name="componentName">component name, for example Excel or null as wildcard</param>
/// <param name="className">class name, for example Application or null as wildcard</param>
/// <param name="throwExceptionIfNothingFound">throw an exception if no proxy was found</param>
/// <returns>proxy instance or null(Nothing in Visual Basic)</returns>
/// <exception cref="NetOfficeCOMException">no instance found and throwExceptionIfNothingFound is set</exception>
public static object GetActiveInstance(string componentName, string className, bool throwExceptionIfNothingFound)
{
string compName = ValidateArgumentString(componentName);
string clsName = ValidateArgumentString(className);
if (compName == "EXCEL" && className == "APPLICATION")
{
object result = GetActiveExcelApplicationProxyFromDesktop();
if (null == result && throwExceptionIfNothingFound)
{
throw new NetOfficeCOMException(String.Format("Unable to find active instance {0}.", componentName + " " + className));
}
return(result);
}
else
{
return(RunningObjectTable.GetActiveProxy(componentName, className, throwExceptionIfNothingFound));
}
}
/// <summary>
/// Returns a running com proxy there is match with given arguments
/// </summary>
/// <param name="componentName">component name, for example Excel or null as wildcard</param>
/// <param name="className">class name, for example Application or null as wildcard</param>
/// <param name="throwExceptionIfNothingFound">throw an exception if no proxy was found</param>
/// <returns>proxy instance or null</returns>
public static object GetActiveInstance(string componentName, string className, bool throwExceptionIfNothingFound)
{
string compName = ValidateArgumentString(componentName);
string clsName = ValidateArgumentString(className);
if (compName == "EXCEL" && className == "APPLICATION")
{
object result = GetActiveExcelApplicationProxyFromDesktop();
if (null == result && throwExceptionIfNothingFound)
{
throw new System.Runtime.InteropServices.COMException("Target instance is not running.");
}
return(result);
}
else
{
return(RunningObjectTable.GetActiveProxy(componentName, className, throwExceptionIfNothingFound));
}
}
private static IDisposableEnumeration <ProxyInformation> GetKnownAccessibleProxiesFromPath(IEnumerable <AccessibleWindowTarget> targets, int maximumResultCount)
{
if (null == targets)
{
throw new ArgumentNullException("targets");
}
RunningWindowTableItemCollection result = new RunningWindowTableItemCollection();
if (maximumResultCount <= 0)
{
return(result);
}
foreach (AccessibleWindowTarget target in targets)
{
Tools.WndUtils.WindowEnumerator enumerator =
new Tools.WndUtils.WindowEnumerator(
target.MainClassName, target.MainClassNameEnd, (Tools.WndUtils.WindowEnumerator.FilterMode)Convert.ToInt32(target.NameCompare));
IntPtr[] mainHandles = enumerator.EnumerateWindows(_mainWindowTimeoutMilliseconds);
if (null == mainHandles)
{
continue;
}
foreach (IntPtr item in mainHandles)
{
Tools.WndUtils.ChildWindowBatchEnumerator childEnumerator =
new Tools.WndUtils.ChildWindowBatchEnumerator(item);
foreach (string subItem in target.ChildPath)
{
childEnumerator.SearchOrder.Add(
new Tools.WndUtils.ChildWindowBatchEnumerator.SearchCriteria(subItem));
}
IntPtr[] childHandles = childEnumerator.EnumerateWindows(_childWindowTimeoutMilliseconds);
if (null == childHandles)
{
continue;
}
foreach (IntPtr childHandle in childHandles)
{
object accObject = Tools.WndUtils.Win32.AccessibleObjectFromWindow(childHandle);
if (null != accObject && accObject is MarshalByRefObject)
{
object targetProxy = null;
if (!String.IsNullOrEmpty(target.AccPropertyName))
{
targetProxy = TryInvokeProperty(accObject, target.AccPropertyName);
Marshal.ReleaseComObject(accObject);
}
else
{
targetProxy = accObject;
}
if (null != targetProxy)
{
string itemComponentName = TypeDescriptor.GetComponentName(targetProxy);
COMTypes.ITypeInfo typeInfo = RunningObjectTable.TryCreateTypeInfo(targetProxy);
string library = RunningObjectTable.GetParentLibraryGuid(typeInfo).ToString();
string id = GetTypeGuid(typeInfo).ToString();
string itemClassName = TypeDescriptor.GetClassName(targetProxy);
string itemCaption = itemClassName;
if (!String.IsNullOrWhiteSpace(itemClassName) && !String.IsNullOrWhiteSpace(itemComponentName))
{
itemCaption = String.Format("{0} {1}", itemComponentName, itemClassName);
}
IntPtr procID = Tools.WndUtils.Win32.GetWindowThreadProcessId(childHandle);
ProxyInformation.ProcessElevation procElevation =
Tools.WndUtils.ProcessElevation.ConvertToProcessElevation(Tools.WndUtils.ProcessElevation.IsProcessElevated(procID));
ProxyInformation info = new ProxyInformation(targetProxy,
itemCaption, id, itemClassName, itemComponentName, library, procID, procElevation);
result.Add(info);
if (null != typeInfo)
{
RunningObjectTable.ReleaseTypeInfo(typeInfo);
}
if (result.Count >= maximumResultCount)
{
return(result);
}
}
}
}
}
}
return(result);
}