# vtk報錯: "wglMakeCurrent failed" 解決方法 最近在實作一個windows form的專案,其內部有個元件是vtk的渲染視窗 但只要在windows form的一些callback function中(例如按鈕按下),修改到vtkActor的變數就會出現以下error  ## 解決方法 * 在修改Actor前先把它從Renderer中移除  * 然後進行你想要對Actor的修改  * 改完再加回去,然後refesh 
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