| public GetProviderMethodArgumentIndex ( string argumentName ) : int | ||
| argumentName | string | |
| 리턴 | int | |
private void CallMethod(IInvocation invocation, UiaMethodInfoHelper methodHelper)
{
if (!methodHelper.SupportsDispatch)
{
throw new InvalidOperationException("Called method {0} doesn't support automatic metadata-driven dispatch. You have to modify schema in order to use this feature so that corresponding UiaMethodInfoHelper supports dispatch.");
}
var paramList = new UiaParameterListHelper(methodHelper);
// 1. Fill In params to paramList from invocation arguments
// we're using the fact that In params are always going before out params, so we may just go through 0..(cInParameters-1)
for (int i = 0; i < methodHelper.Data.cInParameters; i++)
{
var desc = methodHelper.PatternMethodParamDescriptions[i];
var idx = methodHelper.GetProviderMethodArgumentIndex(desc.Name);
paramList[i] = invocation.Arguments[idx];
}
// 2. Call patternInstance method
NativeMethods.WrapUiaComCall(() => _patternInstance.CallMethod(methodHelper.Index, paramList.Data, paramList.Count));
// 3. Fill Out params back to invocation from paramList
for (int i = (int)methodHelper.Data.cInParameters; i < methodHelper.Data.cInParameters + methodHelper.Data.cOutParameters; i++)
{
object value = paramList[i];
var desc = methodHelper.PatternMethodParamDescriptions[i];
if (desc.Name == UiaTypesHelper.RetParamUnspeakableName)
{
if (invocation.Method.ReturnType == typeof(AutomationElement))
{
value = AutomationElement.Wrap((IUIAutomationElement)value);
}
invocation.ReturnValue = value;
}
else
{
var idx = methodHelper.GetProviderMethodArgumentIndex(desc.Name);
if (invocation.Method.GetParameters()[idx].ParameterType.GetElementType() == typeof(AutomationElement))
{
value = AutomationElement.Wrap((IUIAutomationElement)value);
}
invocation.Arguments[idx] = value;
}
}
}
private void CallMethod(IInvocation invocation, UiaMethodInfoHelper methodHelper)
{
if (!methodHelper.SupportsDispatch)
throw new InvalidOperationException("Called method {0} doesn't support automatic metadata-driven dispatch. You have to modify schema in order to use this feature so that corresponding UiaMethodInfoHelper supports dispatch.");
var paramList = new UiaParameterListHelper(methodHelper);
// 1. Fill In params to paramList from invocation arguments
// we're using the fact that In params are always going before out params, so we may just go through 0..(cInParameters-1)
for (int i = 0; i < methodHelper.Data.cInParameters; i++)
{
var desc = methodHelper.PatternMethodParamDescriptions[i];
var idx = methodHelper.GetProviderMethodArgumentIndex(desc.Name);
paramList[i] = invocation.Arguments[idx];
}
// 2. Call patternInstance method
NativeMethods.WrapUiaComCall(() => _patternInstance.CallMethod(methodHelper.Index, paramList.Data, paramList.Count));
// 3. Fill Out params back to invocation from paramList
for (int i = (int)methodHelper.Data.cInParameters; i < methodHelper.Data.cInParameters + methodHelper.Data.cOutParameters; i++)
{
object value = paramList[i];
var desc = methodHelper.PatternMethodParamDescriptions[i];
if (desc.Name == UiaTypesHelper.RetParamUnspeakableName)
{
if (invocation.Method.ReturnType == typeof(AutomationElement))
value = AutomationElement.Wrap((IUIAutomationElement)value);
invocation.ReturnValue = value;
}
else
{
var idx = methodHelper.GetProviderMethodArgumentIndex(desc.Name);
if (invocation.Method.GetParameters()[idx].ParameterType.GetElementType() == typeof(AutomationElement))
value = AutomationElement.Wrap((IUIAutomationElement)value);
invocation.Arguments[idx] = value;
}
}
}
