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All program is SDI. I leave the main form visible all the time, and make other form SHOW over the top.
(keypreview= false).
The problem occurs when I HIDE the 2nd form.
I have tried various things such as:
UNLOAD 2nd form
Enable main form, Hide 2nd form
SHOW main form, then HIDE 2nd form
etc, but my fix as above seems to be the only thing which works.
(Breaking the program when faulty, immediate mode show that main form is enabled =true so that is not the problem).
My thoughts are Maybe you have to force the focus to a control, somehow the main form 'forgets' where focus should be.
Is there any way to follow keybrd or mouse click messages to se why the form is ignoring them.?
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Try to use this API function, I didnt test it with a SDI form.
But you can always try it. :)
Module:
Code:
Public Declare Function BringWindowToTop Lib "user32" _
(ByVal hwnd As Long) As Long
Button or Load Event:
Code:
Dim lValue as Long
lValue = BringWindowToTop(ChildForm.hwnd)
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Did you try it the other way around? First hide the form, then enable the other one? When showing and hiding forms, I always show the form that I want to have focus last. just simply... (as an example)
Me.Hide
MainForm.Show
Now that I think about it though.. the problem may be that the form that you hid doesn't really loose focus because it's just hidden. I'm completely pulling this out of the air.. I don't have anything to base this on.. just a thought. I'd guess what you'd have is...
Me.Hide
MainForm.Enable
Try putting a "MainForm.Show" after that...
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yes I have tried those show/hide combinations.
the main form is clearly visible, (no other form are visible).
I have intense serial comms interrupts and 0.5 second timer running all the time. The main form form load sub does not end sub, but does endless loop with doevents in it.
(this may have someyhing to do with the problem, since this is not 'normal' coding
weird one?!?
