[Mono-osx] MonoMac bindings trouble

[Duane Wandless]

It might help if you show your bindings... and when did you call dlopen on
the framework?

dlopen(...
NSApplication.Init()
NSApplication.Main()

On Mon, Feb 13, 2012 at 9:14 PM, Raymond Reggers <raymond at adaptiv.nl> wrote:

> Hi all,
>
> Got another question regarding bindings to my own obj-c classes, my
> situation and problem is like this:
>
> - I got an obj-c class named TextView which extends NSView, that I
> compiled into a Cocoa Framework.
> - Loaded this Framework with Dlcfn.dlopen
> - Created the bindings using bmac.
>
> Now from c# I can create an instance from my TextView class, add it to an
> existing view. Works fine.
>
> But it seems my bindings do not work in a reverse manner. For example if I:
>
> - Add my TextView to MainWindow.xib using XCode.
> - Create an outlet to MainWindowController.
>
> When launching the application, the TextView shows up correctly, but upon
> resolving the outlet I get a InvalidCastException (stacktrace below). So I
> tried something else:
>
> - Add my TextView into a NSView
> - Create an outlet for the NSView (named it root)
> - Access MainWindowController.root.Subviews[0]
>
> In the debugger this shows up as a NSView. And casting to TextView results
> in the same InvalidCastException. I must be doing something wrong with my
> bindings? Hope someone can help.
>
> Kind regards,
>
> Raymond
>
> Stacktrace:
>
> at (wrapper managed-to-native)
> object.__icall_wrapper_mono_object_castclass (object,intptr) <0x00003>
> at
> MonoMac.ObjCRuntime.NSObjectMarshaler`1<Vespertilio.Presentation.TextView>.MarshalNativeToManaged
> (intptr) <0x0004b>
> at (wrapper native-to-managed)
> object.[Vespertilio.Mac.MainWindowController.Void
> set_root(Vespertilio.Presentation.TextView)]
> (MonoMac.Foundation.NSObject,MonoMac.ObjCRuntime.Selector,Vespertilio.Presentation.TextView)
> <IL 0x0004a, 0x001a0>
> at (wrapper managed-to-native)
> MonoMac.ObjCRuntime.Messaging.IntPtr_objc_msgSendSuper (intptr,intptr)
> <0x00003>
> at MonoMac.AppKit.NSWindowController.get_Window () [0x0002b] in
> /Users/raymond/Documents/git/monomac/src/AppKit/NSWindowController.g.cs:371
> at Vespertilio.Mac.MainWindowController.get_Window () [0x00000] in
> /Volumes/DATA/vespertilio/Vespertilio/Vespertilio.Mac/MainWindowController.cs:49
> at Vespertilio.Mac.AppDelegate.FinishedLaunching
> (MonoMac.Foundation.NSObject) [0x0000b] in
> /Volumes/DATA/vespertilio/Vespertilio/Vespertilio.Mac/AppDelegate.cs:20
> at (wrapper dynamic-method) object.[Vespertilio.Mac.AppDelegate.Void
> FinishedLaunching(MonoMac.Foundation.NSObject)]
> (MonoMac.Foundation.NSObject,MonoMac.ObjCRuntime.Selector,MonoMac.Foundation.NSObject)
> <IL 0x00011, 0x00050>
> at (wrapper native-to-managed) object.[Vespertilio.Mac.AppDelegate.Void
> FinishedLaunching(MonoMac.Foundation.NSObject)]
> (MonoMac.Foundation.NSObject,MonoMac.ObjCRuntime.Selector,MonoMac.Foundation.NSObject)
> <IL 0x0006a, 0x001fb>
> at (wrapper managed-to-native)
> MonoMac.AppKit.NSApplication.NSApplicationMain (int,string[]) <0x00003>
> at MonoMac.AppKit.NSApplication.Main (string[]) [0x00000] in
> /Users/raymond/Documents/git/monomac/src/AppKit/NSApplication.cs:74
> at Vespertilio.Mac.MainClass.Main (string[]) [0x0000f] in
> /Volumes/DATA/vespertilio/Vespertilio/Vespertilio.Mac/Main.cs:21
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