Strange listbox

[belzeboom]

Hi,
something strange happens to me!

In a MDI child form I populate a listbox with data from a DB.

When a use mouse scroller in the listbox, CPU use go to 100% and the program goes very slowly!

In a independent form it does not happen.

What's the problem ???

Thanx

 

[ca8msm]

You may have to give a bit more information i.e.

How many records are in the recorset?
Is the recordset closed once the entries have been inserted into the listbox?
Are there any events raised by the mouse?

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[belzeboom]

You're right.

in the recordset are not too much records.
the recordset is closed.
there are not any events raised by the mouse.

The strange thing is that all is ok in a form that has not MDI parent.

To reduce CPU use i gotta move mouse in the task bar of Windows.

It' very strange !