It will definitely occur if the instance is nil.
Cheers
On 14/11/2013 3:51 p.m., Ross Levis wrote:
I've got a strange error occurring for just one user where this
procedure is failing...
procedure TCustomDetails.SetModified(Modify: Boolean);
begin
FModified := Modify;
if Modify then
begin
if Self is TCategoryDetails then MainForm.CategoryChanged := True
else MainForm.SpotChanged := True;
end;
end;
TCategoryDetails and another class is inherited from TCustomDetails.
Access violation at address 004047DC in module 'SPLCreator.exe'. Read
of address FFFFFFDF.
main thread ($87c):
004047dc SPLCreator.exe System TObject.InheritsFrom
00404742 SPLCreator.exe System @IsClass
005dc6a6 SPLCreator.exe SPMain 3831 +4 TCustomDetails.SetModified
Would this happen if Self was nil or invalid? I don't see how that
could happen but just wondering how this can happen.
Cheers,
Ross.
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