'Form.Hide() is not hiding the form!' Thread RSS Feed

Form.Hide() is not hiding the form!

Thu, 25 Mar 2004 10:03:03 -0700

I'm developing in VS.NET 2003 on WindowsXP Pro.

I'm seeing a strange intermittent bug where I will hide a form (using Me.Hide()), and the form remains visible. Debugging the form shows that the form properties are being set correctly (Me.Visible = False, yet the form is still visible!). This behavior happens on XP, and not on win2k.

I've been able to duplicate this issue in the debugger (on XP) by setting a breakpoint on the Me.Hide() line.

When the breakpoint is hit:

1) Focus on the window to be hidden
2) Drag the window to be hidden a short distance
3) Step to the next line of code in the debugger (executing Me.Hide())
4) Watch in amazement as the window does not hide (even though Me.Visible = false).

Any idea what I can do to make sure that a window hides when it's supposed to hide? I can't destroy this window, as there are ActiveX controls that are required by my main application.

Mike

Re: Form.Hide() is not hiding the form!

Sun, 28 Mar 2004 21:15:02 -0700

same thing happened to me once.. what i did was i went forward in debug mode all the way till the end..
turns out, there were some unresolved small errors and some uninitializes stuff after i removed all the SMALL ERRORS and made all my CODE RIGHT, i ran it again and it worked!
what about u?
mamanged to get it to work yet?

"Rejoice always, pray without ceasing, in everything give thanks; for this is the will of God in Christ Jesus for you."[i]1Thess. 5:16-18[/i]

Re: Form.Hide() is not hiding the form!

Fri, 28 May 2004 13:07:56 -0700

It's possible that when you break at that line the paint event is not being triggered. Without seeing your code (why does no one show there's?!?) I would try:

With Me
Hide()
Invalidate()
Update()
DoEvents()
End With

: I'm developing in VS.NET 2003 on WindowsXP Pro.
:
: I'm seeing a strange intermittent bug where I will hide a form (using Me.Hide()), and the form remains visible. Debugging the form shows that the form properties are being set correctly (Me.Visible = False, yet the form is still visible!). This behavior happens on XP, and not on win2k.
:
: I've been able to duplicate this issue in the debugger (on XP) by setting a breakpoint on the Me.Hide() line.
:
: When the breakpoint is hit:
:
: 1) Focus on the window to be hidden
: 2) Drag the window to be hidden a short distance
: 3) Step to the next line of code in the debugger (executing Me.Hide())
: 4) Watch in amazement as the window does not hide (even though Me.Visible = false).
:
: Any idea what I can do to make sure that a window hides when it's supposed to hide? I can't destroy this window, as there are ActiveX controls that are required by my main application.
:
: Mike
:

Re: Form.Hide() is not hiding the form!

Tue, 08 Jun 2004 09:30:43 -0700

I've never been able to solve the problem, so as a work-around, I enabled the control box (minimize/maximize/close) and trapped the Close event to minimize the form instead.

I'm certain that this is a bug in the .NET Framework 1.1, perhaps having something to do with COM interop (I have non-visible ActiveX components on the form in question). It happens randomly on Windows XP and not on Windows 2000.