Customer wants the Close (X)-button of the forms top right corner to be
Disabled or removed from Windows Form-application, which is made using
VB.NET, but leave MinimizeBox and MaximizeBox.
I think this is not so clever to do like this way, but have to do like
customer wants - so how to do this? It seems to be not just like
changing property like with MinimizeBox and MaximizeBox. Any succestions?
--
Thanks in advance!
Mika 12 65409
Mika,
When you are sure your users wants it and you are not distributing the
program too others, (because otherwise you will most probably directly be
confrontated with bug reports which are probably justifiable correct) you
can just use the closing event and set in that e.cancel = true (or false I
always am in doubt about the last just try).
I would in your situation let the user sign a contract that he wanted this.
What you can do as well is showing in a the messagebox from the clossing
event that this is by order from your client disabled. (A little more polite
however not to misunderstand text than of course).
Instead of that all you can as well overpaint the X (and keep the cancel)
however that will be a lot more work.
I hope this helps?
Cor
#Region " Windows Form Designer generated code "
'disables close
Protected Overrides ReadOnly Property CreateParams() As CreateParams
Get
Dim cp As CreateParams = MyBase.CreateParams
Const CS_NOCLOSE As Integer = &H200
cp.ClassStyle = cp.ClassStyle Or CS_NOCLOSE
Return cp
End Get
End Property
"Mika M" wrote: Customer wants the Close (X)-button of the forms top right corner to be Disabled or removed from Windows Form-application, which is made using VB.NET, but leave MinimizeBox and MaximizeBox.
I think this is not so clever to do like this way, but have to do like customer wants - so how to do this? It seems to be not just like changing property like with MinimizeBox and MaximizeBox. Any succestions?
-- Thanks in advance!
Mika
Mark,
Nice, I never saw this one before (is now in my snippets)
Thanks
Cor
"Mika M" <mahmik_nospam@removethis_luukku.com> schrieb: Customer wants the Close (X)-button of the forms top right corner to be Disabled or removed from Windows Form-application, which is made using VB.NET, but leave MinimizeBox and MaximizeBox.
Add this to your form:
\\\
Protected Overrides ReadOnly Property CreateParams() As CreateParams
Get
Dim cp As CreateParams = MyBase.CreateParams
Const CS_DBLCLKS As Int32 = &H8
Const CS_NOCLOSE As Int32 = &H200
cp.ClassStyle = CS_DBLCLKS Or CS_NOCLOSE
Return cp
End Get
End Property
///
Alternatively you can remove the according menu items from the system
menu using p/invoke.
--
M S Herfried K. Wagner
M V P <URL:http://dotnet.mvps.org/>
V B <URL:http://dotnet.mvps.org/dotnet/faqs/>
> #Region " Windows Form Designer generated code " 'disables close Protected Overrides ReadOnly Property CreateParams() As CreateParams Get Dim cp As CreateParams = MyBase.CreateParams Const CS_NOCLOSE As Integer = &H200 cp.ClassStyle = cp.ClassStyle Or CS_NOCLOSE Return cp End Get End Property
Thanks Mark! Seems to work like I need!
--
Mika
I had quite a discussion about this in GotDotNet a few months back: http://www.gotdotnet.com/Community/M...&Page=1#248801
If you never want the Close Button to show then use the CreateParams method,
but if you want to toggle the state of the close button then this method is
no good, you will instead have to modify the Window Menu.
--
Mick Doherty http://dotnetrix.co.uk/nothing.html
"Cor Ligthert" <no************@planet.nl> wrote in message
news:%2****************@tk2msftngp13.phx.gbl... Mika,
When you are sure your users wants it and you are not distributing the program too others, (because otherwise you will most probably directly be confrontated with bug reports which are probably justifiable correct) you can just use the closing event and set in that e.cancel = true (or false I always am in doubt about the last just try).
I would in your situation let the user sign a contract that he wanted this. What you can do as well is showing in a the messagebox from the clossing event that this is by order from your client disabled. (A little more polite however not to misunderstand text than of course).
Instead of that all you can as well overpaint the X (and keep the cancel) however that will be a lot more work.
I hope this helps?
Cor
....and I thought you were always paying attention ;)
--
Mick Doherty http://dotnetrix.co.uk/nothing.html
"Cor Ligthert" <no************@planet.nl> wrote in message
news:OJ**************@TK2MSFTNGP09.phx.gbl... Mark,
Nice, I never saw this one before (is now in my snippets)
Thanks
Cor
Mick,
When I saw your article I thought I have to say Sorry Sorry Sorry however
you gave me the change here.
Until now I thought that I had seen only awfull painting solutions, because
this simple one I would have remembered me I thought.
Again Sorry Sorry Sorry
:-)))
Cor
No need to apologise. I just couldn't believe you hadn't seen it before
since it's been here several times in the past and I'm almost positive that
you've read every message since you started interacting with the group. By
the amount of responses you give it certainly looks that way.
--
Mick Doherty http://dotnetrix.co.uk/nothing.html
"Cor Ligthert" <no************@planet.nl> wrote in message
news:un**************@TK2MSFTNGP10.phx.gbl... Mick,
When I saw your article I thought I have to say Sorry Sorry Sorry however you gave me the change here.
Until now I thought that I had seen only awfull painting solutions, because this simple one I would have remembered me I thought.
Again Sorry Sorry Sorry
:-)))
Cor
Declarations:
Private Declare Function GetSystemMenu Lib "user32" Alias
"GetSystemMenu" (ByVal hwnd As Integer, ByVal bRevert As Integer) As Integer
Private Declare Function DeleteMenu Lib "user32" Alias "DeleteMenu"
(ByVal hMenu As Integer, ByVal nPosition As Integer, ByVal wFlags As Integer)
As Integer
Private Const MF_BYPOSITION As Integer = &H400&
Put this in form load:
DeleteMenu(iMenu, 6, MF_BYPOSITION) ' Disable the 'X' (Control Box)
DeleteMenu(iMenu, 5, MF_BYPOSITION) ' Remove the seperator bar
The above will disable your ControlBox for you
"Herfried K. Wagner [MVP]" wrote: "Mika M" <mahmik_nospam@removethis_luukku.com> schrieb: Customer wants the Close (X)-button of the forms top right corner to be Disabled or removed from Windows Form-application, which is made using VB.NET, but leave MinimizeBox and MaximizeBox.
Add this to your form:
\\\ Protected Overrides ReadOnly Property CreateParams() As CreateParams Get Dim cp As CreateParams = MyBase.CreateParams Const CS_DBLCLKS As Int32 = &H8 Const CS_NOCLOSE As Int32 = &H200 cp.ClassStyle = CS_DBLCLKS Or CS_NOCLOSE Return cp End Get End Property ///
Alternatively you can remove the according menu items from the system menu using p/invoke.
-- M S Herfried K. Wagner M V P <URL:http://dotnet.mvps.org/> V B <URL:http://dotnet.mvps.org/dotnet/faqs/>
"Crouchie1998" <Cr**********@discussions.microsoft.com> schrieb: Private Declare Function GetSystemMenu Lib "user32" Alias "GetSystemMenu" (ByVal hwnd As Integer, ByVal bRevert As Integer) As Integer Private Declare Function DeleteMenu Lib "user32" Alias "DeleteMenu" (ByVal hMenu As Integer, ByVal nPosition As Integer, ByVal wFlags As Integer) As Integer
Private Const MF_BYPOSITION As Integer = &H400&
Put this in form load:
DeleteMenu(iMenu, 6, MF_BYPOSITION) ' Disable the 'X' (Control Box) DeleteMenu(iMenu, 5, MF_BYPOSITION) ' Remove the seperator bar
The above will disable your ControlBox for you
ACK. I have published a similar solution on my website some time ago
(<URL:http://dotnet.mvps.org/dotnet/code/windowsandforms/#NoClose>), but I
prefer the 'CreateParams' solution.
--
M S Herfried K. Wagner
M V P <URL:http://dotnet.mvps.org/>
V B <URL:http://dotnet.mvps.org/dotnet/faqs/>
I first used the above solution in VB 6, but 2 years ago when I moved to
VB.NET I charged the code accordingly.
"Herfried K. Wagner [MVP]" wrote: "Crouchie1998" <Cr**********@discussions.microsoft.com> schrieb: Private Declare Function GetSystemMenu Lib "user32" Alias "GetSystemMenu" (ByVal hwnd As Integer, ByVal bRevert As Integer) As Integer Private Declare Function DeleteMenu Lib "user32" Alias "DeleteMenu" (ByVal hMenu As Integer, ByVal nPosition As Integer, ByVal wFlags As Integer) As Integer
Private Const MF_BYPOSITION As Integer = &H400&
Put this in form load:
DeleteMenu(iMenu, 6, MF_BYPOSITION) ' Disable the 'X' (Control Box) DeleteMenu(iMenu, 5, MF_BYPOSITION) ' Remove the seperator bar
The above will disable your ControlBox for you
ACK. I have published a similar solution on my website some time ago (<URL:http://dotnet.mvps.org/dotnet/code/windowsandforms/#NoClose>), but I prefer the 'CreateParams' solution.
-- M S Herfried K. Wagner M V P <URL:http://dotnet.mvps.org/> V B <URL:http://dotnet.mvps.org/dotnet/faqs/>
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