WebBrowser的內存釋放

WebBrowser窗口自動滾動：

this.webBrowser.Document.Window.ScrollTo(0, webBrowser1.Document.Body.ScrollRectangle.Height);

 

WebBrowser的腳本出錯信息：

當頁面上的腳本出錯時，一般情況下會彈出腳本出錯提示，如果在用WB寫爬蟲一類的時候，這類提示可能會導致系統不能工作，解決的發是：

(1)設置屬性ScriptErrorsSurpressed = true;

(2)打開IE的設置 "Internet選項" - "高級" - 勾選"禁用腳本調試"

 

WebBrowser的內存釋放：

WB的內存開銷很大，當連續打開很多網頁時這個問題將會非常明顯，甚至耗盡內存，解決的方我在MSDN論壇上找到(來源： http://social.msdn.microsoft.com/Forums/en-US/ieextensiondevelopment/thread/88c21427-e765-46e8-833d-6021ef79e0c8/)，具體如下：

 

 

This solution worked for me!! 
Thank you so much mike_t2e!!!!!!!

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Is the memory released when you minimize the app ? If so, try this:

-- in class definition 

        [DllImport("KERNEL32.DLL", EntryPoint = "SetProcessWorkingSetSize", SetLastError = true, CallingConvention = CallingConvention.StdCall)]
        internal static extern bool SetProcessWorkingSetSize(IntPtr pProcess, int dwMinimumWorkingSetSize, int dwMaximumWorkingSetSize);

        [DllImport("KERNEL32.DLL", EntryPoint = "GetCurrentProcess", SetLastError = true, CallingConvention = CallingConvention.StdCall)]
        internal static extern IntPtr GetCurrentProcess();

-- code to call when you want to reduce the memory

            IntPtr pHandle = GetCurrentProcess();
            SetProcessWorkingSetSize(pHandle, -1, -1);