If a form is modal you can not interact with anything other then that form. If I have a modal form open and press apps closebutton, the app will close immediately after the form is closed.

Agnes

>After the messagebox closes the main application close button is still not working and stays not working until I close my form. My form is modal. Is this the cause?
>
>>Hi Jos,
>>
>>if the messagebox is active the app will normaly not close. The messagebox is modal.
>>
>>Agnes
>>>Hi
>>>
>>>What causes the main application close button to sometimes not be available, not function? If I open a form the main application close button sometimes stops working. What are the conditions that cause this and is there a way to always have the main application close button function?
>>>
>>>It seems to be related to when I pop up a messagebox because immediately upon a message box being called by the form the close button on the main application deactivates.