[OverflowException: 算术运算导致溢出。]
System.IntPtr.op_Explicit(IntPtr value) +37
Dcms.Utility.Captcha.BitmapDataColorAt(BitmapData srcData, Int32 x, Int32 y) +147
Dcms.Utility.Captcha.WaveDistortion(Bitmap bitmap) +2951
Dcms.Utility.Captcha.GetImage(Int32 length, String& checkcode) +1996
sysaspx_ValidCodeImage.Page_Load(Object sender, EventArgs e) in c:\inetpub\www\sysaspx\ValidCodeImage.aspx.cs:18
System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +25
System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +42
System.Web.UI.Control.OnLoad(EventArgs e) +132
System.Web.UI.Control.LoadRecursive() +66
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2428
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