MessageBox.Show() - KeepOnTop

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David Thielen - 17 Jan 2005 21:21 GMT

Hi;

How do I set a message box to KeepOnTop so it is above all other windows?

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thanks - dave

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"Peter Huang" [MSFT] - 18 Jan 2005 07:50 GMT

Hi

I think you may try to use the SetWindowPos API.
SetWindowPos Function
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/winui/winui
/windowsuserinterface/windowing/windows/windowreference/windowfunctions/setw
indowpos.asp

Here is a link you may take a look.
C# Tip: Making Windows Forms Pop Under
http://www.developer.com/net/csharp/article.php/3347251

Best regards,

Perter Huang
Microsoft Online Partner Support

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David Thielen - 18 Jan 2005 08:47 GMT

For a Form it's a piece of cake - there is a KeepOnTop property. But is there
any way to do this for a MessageBox? There is I believe for the underlying
Windows API MessageBox.

thanks - dave

> Hi
>
[quoted text clipped - 15 lines]
> Get Secure! - www.microsoft.com/security
> This posting is provided "AS IS" with no warranties, and confers no rights.

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"Peter Huang" [MSFT] - 19 Jan 2005 01:36 GMT

Hi

I think the .NET code will call the win32 API underlying. For the
MessageBox, it is a method while not a type in the .NET, so we do not have
property to do that.
But I think another alternative is to call the form's showdialog method,
which is modal as the messagebox do you may have a try to see if that works
for you.

Best regards,

Perter Huang
Microsoft Online Partner Support

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David Thielen - 19 Jan 2005 02:37 GMT

Hi;

Asking again - does anyone out there know of a way to do this other than
creating a Form and sizing it, hiding/showing buttons, etc. to make my own
MessageBox?

thanks - dave

> Hi
>
[quoted text clipped - 12 lines]
> Get Secure! - www.microsoft.com/security
> This posting is provided "AS IS" with no warranties, and confers no rights.

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"Peter Huang" [MSFT] - 20 Jan 2005 04:09 GMT

Hi

If so, I think you may try to call the MessageBox API directly which
provide more options than the .NET version.

public class MBSpecial
{
    public const UInt32 MB_SETFOREGROUND = 0x00010000;
    public const UInt32 MB_DEFAULT_DESKTOP_ONLY = 0x00020000;
    public const UInt32 MB_SERVICE_NOTIFICATION_NT3X = 0x00040000;
    public const UInt32 MB_TOPMOST = 0x00040000;
    public const UInt32 MB_RIGHT = 0x00080000;
    public const UInt32 MB_RTLREADING = 0x00100000;
    public const UInt32 MB_SERVICE_NOTIFICATION = 0x00200000;
}

[DllImport("user32", EntryPoint="MessageBox")]
public static extern int MessageBoxA(IntPtr hwnd, string lpText, string
lpCaption, UInt32 wType);
private void button2_Click(object sender, System.EventArgs e)
{
    MessageBoxA(this.Handle,"test","test",MBSpecial.MB_TOPMOST);
}

MessageBox Function
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/winui/winui
/windowsuserinterface/windowing/dialogboxes/dialogboxreference/dialogboxfunc
tions/messagebox.asp

Best regards,

Perter Huang
Microsoft Online Partner Support

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David Thielen - 20 Jan 2005 06:39 GMT

Thank you - that works. I hope with .NET 2.0 I won't have to make so many
calls to the unmanaged Win32 API.

thanks - dave

> Hi
>
[quoted text clipped - 32 lines]
> Get Secure! - www.microsoft.com/security
> This posting is provided "AS IS" with no warranties, and confers no rights.

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"Peter Huang" [MSFT] - 20 Jan 2005 09:50 GMT

Hi

I am glad that works for you!
We will keep improving our product.
Also you may try to submit the feedback to our mswish website.
http://register.microsoft.com/mswish/suggestion.asp

Thanks!

Best regards,

Perter Huang
Microsoft Online Partner Support

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This posting is provided "AS IS" with no warranties, and confers no rights.

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MessageBox.Show() - KeepOnTop

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