我在 monotouch 中绑定了第三方（red park sdk）。我通过使用monotouch绑定项目为red park dll创建了包装器，并在简单的应用程序中实现了dll。在分配委托时，应用程序崩溃。这是我分配代表的代码
rsc=new RscMgr();
RscMgrDelegate del=new MyRedParkDelegate();
System.Diagnostics.Debug.WriteLine("this"+del);
rsc.SetDelegate(del);
我遇到的崩溃是
Incident Identifier: D4781D02-9D0A-427B-BD33-D867720E9CB6
CrashReporter Key: ecaef65d635cbb77be4760eebfa4b05b6be49112
Hardware Model: iPhone3,1
Process: TestRedParkSDK [498]
Path: /var/mobile/Applications/5574681C-8028-474D-B0AA-3C71B3C7EA39/TestRedParkSDK.app/TestRedParkSDK
Identifier: TestRedParkSDK
Version: ??? (???)
Code Type: ARM (Native)
Parent Process: launchd [1]
Date/Time: 2012-07-12 15:09:48.635 +0530
OS Version: iPhone OS 5.1.1 (9B206)
Report Version: 104
Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_PROTECTION_FAILURE at 0x2fd00ff8
Crashed Thread: 0
Thread 0 name: Dispatch queue: com.apple.main-thread
Thread 0 Crashed:
0 CoreFoundation 0x37391ca0 0x3737b000 + 93344
1 CoreFoundation 0x373f99c8 0x3737b000 + 518600
2 CoreFoundation 0x3737c848 0x3737b000 + 6216
3 CoreFoundation 0x3737c13e 0x3737b000 + 4414
4 CoreFoundation 0x37391792 0x3737b000 + 92050
362 TestRedParkSDK 0x00020278 0x1000 + 127608
371 TestRedParkSDK 0x00263da8 0x1000 + 2502056
372 TestRedParkSDK 0x00020278 0x1000 + 127608
373 TestRedParkSDK 0x000fd04c 0x1000 + 1032268
...
Thread 1 name: Dispatch queue: com.apple.libdispatch-manager
Thread 1:
0 libsystem_kernel.dylib 0x315db3a8 0x315da000 + 5032
1 libdispatch.dylib 0x30560ea4 0x30554000 + 52900
2 libdispatch.dylib 0x30560bc2 0x30554000 + 52162
Thread 2:
0 libsystem_kernel.dylib 0x315ebcd4 0x315da000 + 72916
1 libsystem_c.dylib 0x33ca3f36 0x33c9b000 + 36662
2 libsystem_c.dylib 0x33ca3cc8 0x33c9b000 + 36040
Thread 3:
0 libsystem_kernel.dylib 0x315eb470 0x315da000 + 70768
1 libsystem_c.dylib 0x33ca66d0 0x33c9b000 + 46800
2 TestRedParkSDK 0x001ad9a4 0x1000 + 1755556
3 TestRedParkSDK 0x001aeaec 0x1000 + 1759980
4 TestRedParkSDK 0x001ae918 0x1000 + 1759512
5 TestRedParkSDK 0x001ad71c 0x1000 + 1754908
6 TestRedParkSDK 0x001b07e8 0x1000 + 1767400
7 Foundation 0x37c1aa7a 0x37c0a000 + 68218
8 Foundation 0x37cae58a 0x37c0a000 + 673162
9 libsystem_c.dylib 0x33ca972e 0x33c9b000 + 59182
10 libsystem_c.dylib 0x33ca95e8 0x33c9b000 + 58856
Thread 4:
0 libsystem_kernel.dylib 0x315ebcd4 0x315da000 + 72916
1 libsystem_c.dylib 0x33ca3f36 0x33c9b000 + 36662
2 libsystem_c.dylib 0x33ca3cc8 0x33c9b000 + 36040
Thread 5:
0 libsystem_kernel.dylib 0x315db054 0x315da000 + 4180
1 TestRedParkSDK 0x00250590 0x1000 + 2422160
2 TestRedParkSDK 0x001f3a72 0x1000 + 2042482
3 TestRedParkSDK 0x0023ae72 0x1000 + 2334322
4 TestRedParkSDK 0x0024bf8a 0x1000 + 2404234
5 TestRedParkSDK 0x0025dd74 0x1000 + 2477428
6 libsystem_c.dylib 0x33ca972e 0x33c9b000 + 59182
7 libsystem_c.dylib 0x33ca95e8 0x33c9b000 + 58856
Thread 6 name: WebThread
Thread 6:
0 libsystem_kernel.dylib 0x315db004 0x315da000 + 4100
1 libsystem_kernel.dylib 0x315db1fa 0x315da000 + 4602
2 CoreFoundation 0x374083ec 0x3737b000 + 578540
3 CoreFoundation 0x37407124 0x3737b000 + 573732
4 CoreFoundation 0x3738a49e 0x3737b000 + 62622
5 CoreFoundation 0x3738a366 0x3737b000 + 62310
6 WebCore 0x32d33c9c 0x32c8a000 + 695452
7 libsystem_c.dylib 0x33ca972e 0x33c9b000 + 59182
8 libsystem_c.dylib 0x33ca95e8 0x33c9b000 + 58856
Thread 0 crashed with ARM Thread State:
r0: 0x00627970 r1: 0x00000004 r2: 0x00000000 r3: 0xfefefeff
r4: 0x00627970 r5: 0x00000002 r6: 0x3fa4bc60 r7: 0x2fd01010
r8: 0x3fa4cc58 r9: 0x00000002 r10: 0x006555a0 r11: 0x2fd014c0
ip: 0x00627970 sp: 0x2fd01004 lr: 0x373f99cf pc: 0x37391ca0
cpsr: 0x40000030
Kindly help me.Thanks in advance