Hi ,
I have added a new method in the form using class extension. In the place where I am calling it, I would like to have a check if the "formHasMethod" and call the method using the formRun object. Is it possible? When I try this, it says method does not exist on the form, actually it exists on the underlying class extension. Can you please help me out how to solve this scenario?
Regards,
Giridhar
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Hi Šarūnas G,
That's actually interesting one. Under the hood you will have 2 methods with different signature in case of optional parameters and methodInfo throws ambiguousMatchException because of that. I changed code a bit, so it should handle this as well github.com/.../Global_Extension.xml
such methods which used in x++ style like getters setters all in one wont work:
public boolean parmBringBeer(boolean _bringBeer = bringBeer)
{
bringBeer = _bringBeer;
return bringBeer ;
}
I forget to say at the moment. Thanks Ievgen for mentioning me in your post but I'm sure it is you who deserves all the credit!
By the way, please try the better approach posted by Ievgen in his personal blog.
this won't work when checking if a parm method exists. You will get an ambiguous declaration exception.
Hi!
Following the ievgen's suggestion, you can create an extension like this:
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[ExtensionOf(classStr(SysFormRun))]
static class SysFormRun__Extension
{
public static boolean hasMethodExtension(FormRun fr, IdentifierName methodName)
{
boolean ret;
System.Type formRunType = fr.GetType();
System.Type formRunExtensionType;
System.Reflection.MethodInfo mi;
int i;
System.Object[] extensions = Microsoft.Dynamics.Ax.Xpp.ExtensionClassSupport::GetExtensionsOnType(formRunType, true);
if(extensions)
{
for(i=0; i < extensions.Length; i++)
{
formRunExtensionType = extensions.GetValue(i);
mi = formRunExtensionType.GetMethod(methodName);
if(mi)
{
ret = true;
break;
}
}
}
return ret;
}
}
Hi Giridhar1617,
formHasMethod won't see method from extension class, so you need to add your own check using new metadata API community.dynamics.com/.../new-metadata-api
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