“myapp.exe has triggered a breakpoint” while debugging - afterwards slow symbol loading in Visual Studio 2015 Update 3
问题 We have a C++ project in STA mode which opens an C#/WPF lib that hosts an ESRI ArcEngine MapControl via WindowsFormsIntegration. This worked fine in Visual Studio 2013. Since we switched to VS2015 Update 3 starting the ArcEngine part while debugging (both in Debug and Release) is horribly slow after an mysterious breakpoint is hit in wntdll.pdb: "ArcEngineTestApp.exe has triggered a breakpoint." There is no further explaination in the Output window (see full output). When I hit continue, the