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Thread: Problem with Disposed objects [Resolved]

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    Addicted Member Porsche944's Avatar
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    Apr 2005
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    Resolved Problem with Disposed objects [Resolved]

    Hey everyone,
    I created a program that searches Active Directory. I built the release version and it runs as it should. The problem comes up if I attempt to reopen the search form from the system tray again I get this error.

    "Cannot access a disposed object named "Search"

    I think the problem is coming up when the garbage collection runs it deletes the Search Form object out of memory. How can I prevent this from happening in my program?

    "just-in-time (JIT) debugging instead of this dialog box.

    ************** Exception Text **************
    System.ObjectDisposedException: Cannot access a disposed object named "Search".
    Object name: "Search".
    at System.Windows.Forms.Control.CreateHandle()
    at System.Windows.Forms.Form.CreateHandle()
    at System.Windows.Forms.Control.get_Handle()
    at System.Windows.Forms.Control.SetVisibleCore(Boolean value)
    at System.Windows.Forms.Form.SetVisibleCore(Boolean value)
    at System.Windows.Forms.Control.set_Visible(Boolean value)
    at Active_Directory_Advanced_Search.sysTray.ShowFormSelect(Object sender, EventArgs e)
    at Active_Directory_Advanced_Search.sysTray.NotifyIcon_DoubleClick(Object sender, EventArgs e)
    at System.Windows.Forms.NotifyIcon.OnDoubleClick(EventArgs e)
    at System.Windows.Forms.NotifyIcon.WmMouseDown(Message& m, MouseButtons button, Int32 clicks)
    at System.Windows.Forms.NotifyIcon.WndProc(Message& msg)
    at System.Windows.Forms.NotifyIconNativeWindow.WndProc(Message& m)
    at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)"
    Last edited by Porsche944; May 13th, 2005 at 03:17 PM.

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