| public static IsInType ( UIAutomationType type ) : bool | ||
| type | UIAutomationType | |
| Результат | bool | |
public void AddParameter(UiaParameterDescription param)
{
if (PatternMethodParamDescriptions.Count > 0 && UiaTypesHelper.IsOutType(PatternMethodParamDescriptions.Last().UiaType) && UiaTypesHelper.IsInType(param.UiaType))
{
throw new ArgumentException("In param can't go after an out one. Please, ensure the correct order");
}
if (ProviderMethodInfo != null &&
param.Name != UiaTypesHelper.RetParamUnspeakableName &&
!_providerMethodInfoIndicies.ContainsKey(param.Name))
{
throw new ArgumentException("Provided provider's method info does not have argument with this name");
}
UIAutomationType type = param.UiaType;
var marshalledName = Marshal.StringToCoTaskMemUni(param.Name);
if (UiaTypesHelper.IsInType(type))
{
_inParamNames.Add(marshalledName);
_inParamTypes.Add(type);
}
else
{
_outParamNames.Add(marshalledName);
_outParamTypes.Add(type);
}
PatternMethodParamDescriptions.Add(param);
}
public void DispatchCallToProvider(object provider, UiaParameterListHelper paramList)
{
if (ProviderMethodInfo == null)
{
throw new InvalidOperationException("You need to pass providerMethodInfo if you want to call ISchemaMember.DispatchCallToProvider");
}
if (paramList.Count != PatternMethodParamDescriptions.Count)
{
var message = string.Format("Provided paramList has unexpected number of elements. Expected {0} but was {1}",
PatternMethodParamDescriptions.Count,
paramList.Count);
throw new ArgumentException(message, "paramList");
}
var providerCallParameters = new object[ProviderMethodInfo.GetParameters().Length];
// fill in params
for (int i = 0; i < PatternMethodParamDescriptions.Count; i++)
{
var desc = PatternMethodParamDescriptions[i];
if (UiaTypesHelper.IsInType(desc.UiaType))
{
var providerMethodParamIdx = _providerMethodInfoIndicies[desc.Name];
providerCallParameters[providerMethodParamIdx] = paramList[i];
}
}
// call provider
object result = null;
try
{
result = ProviderMethodInfo.Invoke(provider, providerCallParameters);
}
catch (TargetInvocationException e)
{
if (e.InnerException != null)
{
throw e.InnerException;
}
throw;
}
// write back out params
for (int i = 0; i < PatternMethodParamDescriptions.Count; i++)
{
var desc = PatternMethodParamDescriptions[i];
if (desc.Name == UiaTypesHelper.RetParamUnspeakableName)
{
paramList[i] = result;
continue;
}
if (UiaTypesHelper.IsOutType(desc.UiaType))
{
var providerMethodParamIdx = _providerMethodInfoIndicies[desc.Name];
paramList[i] = providerCallParameters[providerMethodParamIdx];
}
}
}
