I'm at 10.1SP1 with VS2010.
In my tool's ParameterInfo property I create an output parameter of type GPLineTypeClass.
Then in the Execute() method I do work that creates an IPolyline that I want to stuff into that parameter.
PROBLEM 1: Using the GPUtilities.MakeGPValueFromObject(myIPolyline) method to get an IGPValue causes an E_FAIL COM error
So I tried this instead:
PROBLEM 2: But I get an invalid cast exception on that first line - GPLineClass cannot be cast to IGPLine2. What! Documentation says this class implements this interface.
SO - what is the secret sauce to stuff an IPolyline into an output parameter's value?
Thanks!
In my tool's ParameterInfo property I create an output parameter of type GPLineTypeClass.
Then in the Execute() method I do work that creates an IPolyline that I want to stuff into that parameter.
PROBLEM 1: Using the GPUtilities.MakeGPValueFromObject(myIPolyline) method to get an IGPValue causes an E_FAIL COM error
So I tried this instead:
Code:
IGPLine2 outValue = new GPLineClass();
outValue.Polyline = myIPolyline;
gpUtils.PackGPValue((IGPValue)outValue, outputParam);SO - what is the secret sauce to stuff an IPolyline into an output parameter's value?
Thanks!