~~~~~~~~~~~~~~~~~~~~~~~内存不断的递增，直至抛异常


         #region 截取后台窗体图像，前台窗体也适用        public static Bitmap CutImage_NoneActiveWindow(IntPtr ControlHandle)
        {            IntPtr hscrdc = GetWindowDC(ControlHandle);            Control control = Control.FromHandle(ControlHandle);            IntPtr hbitmap = CreateCompatibleBitmap(hscrdc, control.Width, control.Height);            IntPtr hmemdc = CreateCompatibleDC(hscrdc);            SelectObject(hmemdc, hbitmap);            PrintWindow(ControlHandle, hmemdc, 0);////            Bitmap bmp = Bitmap.FromHbitmap(hbitmap);            DeleteDC(hscrdc);//删除用过的对象            DeleteDC(hmemdc);//删除用过的对象            DeleteDC(hbitmap);            return bmp;
        }        [DllImport("gdi32.dll")]        internal static extern IntPtr CreateDC(         string lpszDriver,        // driver name驱动名         string lpszDevice,        // device name设备名         string lpszOutput,        // not used; should be NULL         IntPtr lpInitData  // optional printer data         );        [DllImport("gdi32.dll")]        internal static extern int BitBlt(         IntPtr hdcDest, // handle to destination DC目标设备的句柄         int nXDest,  // x-coord of destination upper-left corner目标对象的左上角的X坐标         int nYDest,  // y-coord of destination upper-left corner目标对象的左上角的Y坐标         int nWidth,  // width of destination rectangle目标对象的矩形宽度         int nHeight, // height of destination rectangle目标对象的矩形长度         IntPtr hdcSrc,  // handle to source DC源设备的句柄         int nXSrc,   // x-coordinate of source upper-left corner源对象的左上角的X坐标         int nYSrc,   // y-coordinate of source upper-left corner源对象的左上角的Y坐标         UInt32 dwRop  // raster operation code光栅的操作值         );        [DllImport("gdi32.dll")]        internal static extern IntPtr CreateCompatibleDC(         IntPtr hdc // handle to DC         );        [DllImport("gdi32.dll")]        internal static extern IntPtr CreateCompatibleBitmap(         IntPtr hdc,        // handle to DC         int nWidth,     // width of bitmap, in pixels         int nHeight     // height of bitmap, in pixels         );        [DllImport("gdi32.dll")]        internal static extern IntPtr SelectObject(         IntPtr hdc,          // handle to DC         IntPtr hgdiobj   // handle to object         );        [DllImport("gdi32.dll")]        internal static extern int DeleteDC(         IntPtr hdc          // handle to DC         );        [DllImport("user32.dll")]        internal static extern bool PrintWindow(         IntPtr hwnd,               // Window to copy,Handle to the window that will be copied.          IntPtr hdcBlt,             // HDC to print into,Handle to the device context.          UInt32 nFlags              // Optional flags,Specifies the drawing options. It can be one of the following values.          );        [DllImport("user32.dll")]        internal static extern IntPtr GetWindowDC(         IntPtr hwnd         );        #endregion
webBrowser的截图
主要是CutImage_NoneActiveWindow这个方法
我每隔一秒调用一次CutImage_NoneActiveWindow，内存不断的递增，怎么解决呢？
很急~~~谢谢各位了~~~~~~~~~~~