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We have an issue that we can not reproduce but it seems to throw an exception within the syncfusion grid code. This is using 1.6.1.5 relase of the grid.
************** Exception Text **************
System.DivideByZeroException: Attempted to divide by zero.
at Syncfusion.Windows.Forms.Grid.GridControlBase.OnMouseDown(MouseEventArgs
e)
at System.Windows.Forms.Control.WmMouseDown(Message& m, MouseButtons
button, Int32 clicks)
at System.Windows.Forms.Control.WndProc(Message& m)
at Syncfusion.Windows.Forms.ScrollControl.WmMouseDown(Message& msg)
at Syncfusion.Windows.Forms.ScrollControl.WndProc(Message& msg)
at Syncfusion.Windows.Forms.Grid.GridControlBase.WndProc(Message& msg)
at System.Windows.Forms.ControlNativeWindow.OnMessage(Message& m)
at System.Windows.Forms.ControlNativeWindow.WndProc(Message& m)
at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg,
IntPtr wparam, IntPtr lparam)
ADAdministrator Syncfusion Team September 20, 2003 04:59 AM UTC
I looked through the GridControlBase.OnMouseDown source, and did not see anything that jumped out as a potential dividebyzero. (There was no explicit diving going on.)
Are you using multiple threads? If so, make sure you protect calls into the grid (or UI components) with InvokeRequired checks. Here is a KB link discussing this. http://www.syncfusion.com/KB/Grid/Grid_c34c.asp#q572q
If you have the source code for our library, you can use Assembly Manager to build a debug version, and then can get a full callstack with line numbers. At that point, if you set VisStu to break on exception, you could query the variables to see what values they have at the point of the exception. This might give a hint as to what is going wrong.
