Dear all,
Since I upgraded my C++ plugin code from 1.8 to 2.x and started building against the 2.01 and 2.2 release code, the plugin has been experiencing access violations when switching from my plugin's to any of the built-in map tools (0xC0000005, "The thread tried to read from or write to a virtual address for which it does not have the appropriate access."). All it takes to trigger a crash is to enable any of my map tools, then click on any QGIS map tool--boom. This happens only when I run the plugin with the official standalone or OSGeo4W binaries on Windows. It will **not** happen when the plugin runs in my own QGIS binaries built from the 2.2 (or any other 2.x) release code in Visual Studio 2008. The access violation occurs somewhere deep in QGIS and I cannot debug it because it won't happen in my own build. Have there been any changes since 1.8 that may explain these crashes and that I may have missed? I would be most grateful for any suggestions or leads that might help me get to the bottom of this crippling issue. Cheers, Hartmut
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