Fixed crash when using mouse wheel before the 3D scene is shown (during app startup)
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@ -2313,6 +2313,9 @@ void GLCanvas3D::on_key(wxKeyEvent& evt)
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void GLCanvas3D::on_mouse_wheel(wxMouseEvent& evt)
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void GLCanvas3D::on_mouse_wheel(wxMouseEvent& evt)
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{
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{
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if (!m_initialized)
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return;
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// Ignore the wheel events if the middle button is pressed.
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// Ignore the wheel events if the middle button is pressed.
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if (evt.MiddleIsDown())
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if (evt.MiddleIsDown())
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return;
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return;
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