Can someone confirm this behaviour please :o)

[pigeonrandle]

Hi,

I have been trying to find an answer, even a hint, but despite posting
the following question on various forums i haven't even had a single
reply for nearly two weeks (.


"Why do treeview tooltips flash if the main form has its
transparencykey set?"


Could a couple of people please try this (its a 67 second job) just so
i know it isn't just my PC )


You can replicate this behaviour really easily by (vb VS2003)


1) creating a new vb windows application
2) set Form1.TransparencyKey to the same as Form1.BackColor
3) Add a treeview to the form
4) Add a node to TreeView1 whose text is too long to display (i used
'whyisthishappeningwhyisthishappeningwhyisthishappeningwhywhywhy')
5) run the application and hover your mouse over the node.


Many thanks,


James.


Also posted in c# as it also happens with a c# application ....
arrrgggghhhhhhhhh.

 

[Guest]

Hello,

I use VB 2005, so I switched off the application framework.

I can confirm that the tooltips flash when hovering over it.

This, however, does not happen if I switch the framework on.

Regards,
P. Di Stolfo

 

[pigeonrandle]

P,
Thanks for replying. I was beginning to think i had offended the entire
internet community!

When you say you switched the framework off/on, what do you mean?

Thanks again,
James

 

[Guest]

Hello,

using VB 2005 (I don't know if this works with previous versions, too), you
can choose to activate or not activate the application framework in Projects
-> Properties, so you can activate XP styles and so on. When I deactivate
them, I'll get the same error as you get with that control.

Regards,
P. Di Stolfo

 

[AMDRIT]

Perhaps then you can set Application.EnableVisualStyles to resolve this
issue?

 

[pigeonrandle]

P, Amdrit,
Thankyou both for your words of wisdom, and for taking the time to help
me out.

Amdrit was right!

i changed my Main() to

[STAThread]
static void Main()
{
System.Windows.Forms.Application.EnableVisualStyles();
Application.Run(new frmMain());
}

and no more disco effect! Yay.

Many many many thanks to you both,
James Randle.

 

[pigeonrandle]

When i said 'Amdrit was right!' i of course meant you were both right
:0).
Thanks again.

P, Amdrit,
Thankyou both for your words of wisdom, and for taking the time to help
me out.

Amdrit was right!

i changed my Main() to

[STAThread]
static void Main()
{
System.Windows.Forms.Application.EnableVisualStyles();
Application.Run(new frmMain());
}

and no more disco effect! Yay.

Many many many thanks to you both,
James Randle.

Perhaps then you can set Application.EnableVisualStyles to resolve this
issue?