January 26, 2017 How does cast(SomeObj) (cast(void*) ptrFromC) work? | ||||
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I was trying to figure out why calling an object's function from a wndProc that modified the object's state didn't actually change anything. Wrapping the GetWindowLongPtr in a cast(void*) seems to make it work. What am I missing about this? I though that object references were really just pointers with special restrictions/behaviors? Old: window = cast(Win32Window) GetWindowLongPtr(hwnd, GWLP_USERDATA); New: window = cast(Win32Window) (cast(void*) GetWindowLongPtr(hwnd, GWLP_USERDATA)); |
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