以下跟踪非常偶然地导致崩溃：
System.OutOfMemoryException: Out of memory.
at System.Drawing.Graphics.FromHdcInternal(IntPtr hdc)
at System.Windows.Forms.PaintEventArgs.get_Graphics()
at System.Windows.Forms.Control.PaintBackColor(PaintEventArgs e, Rectangle rectangle, Color backColor)
at System.Windows.Forms.Control.PaintBackground(PaintEventArgs e, Rectangle rectangle, Color backColor, Point scrollOffset)
at System.Windows.Forms.Control.PaintBackground(PaintEventArgs e, Rectangle rectangle)
at System.Windows.Forms.Control.OnPaintBackground(PaintEventArgs pevent)
at System.Windows.Forms.ScrollableControl.OnPaintBackground(PaintEventArgs e)
at System.Windows.Forms.Control.PaintWithErrorHandling(PaintEventArgs e, Int16 layer, Boolean disposeEventArgs)
at System.Windows.Forms.Control.WmEraseBkgnd(Message& m)
at System.Windows.Forms.Control.WndProc(Message& m)
at System.Windows.Forms.ScrollableControl.WndProc(Message& m)
at System.Windows.Forms.ContainerControl.WndProc(Message& m)
at System.Windows.Forms.UserControl.WndProc(Message& m)
at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
如您所见，跟踪中没有我的代码，因此我很难找到原因。Google搜索似乎尚无定论，但通常指向某个地方的GC句柄泄漏，但是在最近一次崩溃之后，我的内存使用情况是：
Handle count:16,283,
Private Bytes:995,440K,
Virtual …