Hi Sergey,
Nope, I just forgot to put that in my message. I did clear the reference in my app.


>Bill,
>
>I don't know if it's relevant to your problem but you forgot to clear reference to the calling form. Add to Destroy of myForm2

this.oCalling_Form = Null

>>I'm using VFP 7.0
>>I have a bug that doesn't show up when breakpoint is set, and crashes VFP when a breakpoint is set.
>>

>>define class myForm1
>>  oBrowser = .null.
>>
>>  procedure myProc()
>>    do form myForm2 with this
>>    return ! isnull( this.oBrowser )
>>
>>define class myForm2
>>  oBrowser = .null
>>  oCalling_Form = .null
>>
>>  procedure init( oCalling_Form )
>>    this.oCalling_Form = m.oCalling_Form
>>    this.oBrowser = createobject( 'InternetExplorer.Application' )
>>
>>  procedure destroy()
>>    this.oCalling_Form.oBrowser = this.oBrowser
>>

>>1. During runtime myProc() returns .f. and I check the watch window and myForm1.oBrowser=.null.
>>
>>2. I open the watch window (no breakpoints) and run it again - same results.
>>
>>3. I open the watch window and set a breakpoint on myForm1.oBrowser and run it again - it stops on the correct line in myForm2.destroy() and shows myForm1.oBrowser = object.
>>I close the trace window and continue.
>>myProc() returns .T.
>>When I close the watch window I get a fatal error and a message to send it to MS.
>>
>>Where do I start looking?
>>
>>TIA