Rob Cameron wrote:
> This works fine ... unless the form is positioned so that the cursor 
> which clicks on the control happens to be in the same part of he screen 
> which will be occupied by the OpenDialog when it is created.  In that 
> case, the OpenDialog pops up a menu as if I had just right-clicked on 
> the OpenDialog itself. 
> 
> To see the effect, create a new application, put a TEDit and a 
> TOpenDialog on the form, and the code above in the event handler. Move 
> the form around until the TEdit is underneath the OpenDialog when it 
> shows up.
> 
> Any ideas how I can suppress the popping-up of the popup?

Context menus appear on the mouse up event.  You are showing the open 
file dialog on the mouse down event, so when you release the button, the 
open file dialog is already shown and therefore gets the mouse up event.

Change your event to use the OnMouseUp event.

-- 
Sly


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