目录1.使用QPixmap显示图片2.使用QPixmap实现图片的缩放3.使用QPixmap实现图像的旋转4.使用QPixmap实现图像的扭曲QPixmap主要用于绘图，针对图像显示而最佳化设计；
I have written a managed class that wraps around an unmanaged C++ object, but I found that - when using it in C# - the GC kicks in early while I\'m executing a method on the object. I have read up on
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