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Windows Task Bar



Windows Task Bar Greg
9/22/2007 11:32:00 AM
visual studio .net general: I have an application I'm developing in VB.Net 2005. This is going to be a
trouch screen application. What I want to do is when my applicaiton loads I
want it to take up the entire screen, including the Windows Task Bar. (I
don't know if I'm using the correct term here, so let me explain. I want to
have the bar on the button of the Windows XP screen that contains a
Icon/Button for each application that is running, to be hidden from view.).
So, when you look at the screen all you see is my application and nothing
else. The only way the bar would re-appear is after the user has quit the
application.

Re: Windows Task Bar Stevanich
9/23/2007 2:50:59 AM
Greg,

You most likely will want to make some OS customizations to get the results
you want, such as hiding the Start Bar.

Hope this helps,


Steve - dotneticated.com

[quoted text, click to view]

RE: Windows Task Bar jetan NO[at]SPAM online.microsoft.com (
9/24/2007 3:15:45 AM
Hi Greg,

The article below provided the detailed sample code and steps to complete
the task you wanted:
"How to make Windows Form app truly Full Screen (and to hide Taskbar) in
C#?"
http://www.codeproject.com/useritems/FullScreenDotNetApp.asp

To translate the code snippet into VB.net, you may use the translator
below(note: it is not perfect, but should save you 90% of the work):
http://www.aspalliance.com/aldotnet/examples/translate.aspx

Hope this helps.

Best regards,
Jeffrey Tan
Microsoft Online Community Support
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RE: Windows Task Bar Greg
9/27/2007 1:16:00 PM
I took a look at the sites you included. Plus, I copied the C# code into the
converter web-site and tried to convert the code to VB.Net. It didn't seem to
do a very good job at all, because I was completely lost on figuring out how
to replciate that code in VB.Net. What I really need is a VB.Net sample code
block. I don't understand the first thing about C#.

Thanks for helping

[quoted text, click to view]
RE: Windows Task Bar jetan NO[at]SPAM online.microsoft.com (
9/28/2007 5:44:35 AM
Hi Greg,

Thank you for the feedback.

Yes, this C# to VB.net is not very good. Unfortunately, I can not find a
VB.net sample yet.

Can you tell me which code you can not understand how to translate into
VB.net? I can help you to get it done. Thanks.

Best regards,
Jeffrey Tan
Microsoft Online Community Support
==================================================
Get notification to my posts through email? Please refer to
http://msdn.microsoft.com/subscriptions/managednewsgroups/default.aspx#notif
ications.

Note: The MSDN Managed Newsgroup support offering is for non-urgent issues
where an initial response from the community or a Microsoft Support
Engineer within 1 business day is acceptable. Please note that each follow
up response may take approximately 2 business days as the support
professional working with you may need further investigation to reach the
most efficient resolution. The offering is not appropriate for situations
that require urgent, real-time or phone-based interactions or complex
project analysis and dump analysis issues. Issues of this nature are best
handled working with a dedicated Microsoft Support Engineer by contacting
Microsoft Customer Support Services (CSS) at
http://msdn.microsoft.com/subscriptions/support/default.aspx.
==================================================
This posting is provided "AS IS" with no warranties, and confers no rights.

RE: Windows Task Bar Greg
9/28/2007 4:32:00 PM
I have managed to get my application to cover the whole screen with just the
TaskBar. Now, just need to go one step further and hide the TaskBar.

Here is the C# Code.

<PRE lang=cs id=pre3 style="MARGIN-TOP: 0px">/// <summary>
/// Selected Win API Function Calls
/// </summary>

public <A class=iAs style="FONT-WEIGHT: normal; FONT-SIZE: 100%;
PADDING-BOTTOM: 1px; COLOR: darkgreen; BORDER-BOTTOM: darkgreen 0.07em solid;
BACKGROUND-COLOR: transparent; TEXT-DECORATION: underline" href="#"
target=_blank itxtdid="4499192">class</A> WinApi
{
[DllImport(”user32.dll”, EntryPoint = “GetSystemMetrics”)]
public static extern int GetSystemMetrics(int which);

[DllImport(”user32.dll”)]
public static extern void
SetWindowPos(IntPtr hwnd, IntPtr hwndInsertAfter,
int X, int Y, int width, int height, uint flags);

private const int SM_CXSCREEN = 0;
private const int SM_CYSCREEN = 1;
private static IntPtr HWND_TOP = IntPtr.Zero;
private const int SWP_SHOWWINDOW = 64; // 0×0040

public static int ScreenX
{
get { return GetSystemMetrics(SM_CXSCREEN);}
}

public static int ScreenY
{
get { return GetSystemMetrics(SM_CYSCREEN);}
}

public static void SetWinFullScreen(IntPtr hwnd)
{
SetWindowPos(hwnd, HWND_TOP, 0, 0, ScreenX, ScreenY, SWP_SHOWWINDOW);
}
}

/// <summary>
/// Class used to preserve / restore / maximize state of the form
/// </summary>
public class FormState
{
private FormWindowState winState;
private FormBorderStyle brdStyle;
private bool topMost;
private Rectangle bounds;

private bool IsMaximized = false;

public void Maximize(Form targetForm)
{
if (!IsMaximized)
{
IsMaximized = true;
Save(targetForm);
targetForm.WindowState = FormWindowState.Maximized;
targetForm.FormBorderStyle = FormBorderStyle.None;
targetForm.TopMost = true;
WinApi.SetWinFullScreen(targetForm.Handle);
}
}

public void Save(Form targetForm)
{
winState = targetForm.WindowState;
brdStyle = targetForm.FormBorderStyle;
topMost = targetForm.TopMost;
bounds = targetForm.Bounds;
}

public void Restore(Form targetForm)
{
targetForm.WindowState = winState;
targetForm.FormBorderStyle = brdStyle;
targetForm.TopMost = topMost;
targetForm.Bounds = bounds;
IsMaximized = false;
}
}
</PRE>
public partial class MaxForm : Form
{
FormState formState = new FormState();

public MaxForm()
{
InitializeComponent();
}

private void button1_Click(object sender, EventArgs e)
{
formState.Maximize(this);
}

private void button2_Click(object sender, EventArgs e)
{
formState.Restore(this);
}
}
This is it. Some of it I can figure out, but as a whole that VB.Net
Converter made it worse, not better.

Thanks for you help.

Greg
[quoted text, click to view]
RE: Windows Task Bar jetan NO[at]SPAM online.microsoft.com (
10/1/2007 3:51:07 AM
Hi Greg,

Regarding this code snippet, I have helped you to translate it. Yes, it
seems the converter tool will use the old style VB6 syntax to for the
p/invoke APIs. Anyway, I have converted it with the new VB.net syntaxt:

Imports System.Runtime.InteropServices
Public Class Form1
Class WinApi
<DllImport("user32.dll", CharSet:=CharSet.Auto)> _
Public Shared Function GetSystemMetrics(ByVal nIndex As Integer) As
Integer
End Function

<DllImport("user32.dll", CharSet:=CharSet.Auto)> _
Public Shared Function SetWindowPos(ByVal hWnd As IntPtr, ByVal
hWndInsertAfter As IntPtr, ByVal x As Integer, ByVal y As Integer, ByVal cx
As Integer, ByVal cy As Integer, ByVal flags As Integer) As Boolean
End Function

Private Shared SM_CXSCREEN As Integer = 0
Private Shared SM_CYSCREEN As Integer = 1
Private Shared HWND_TOP As IntPtr = IntPtr.Zero
Private Shared SWP_SHOWWINDOW As Integer = 64 '

Public Shared ReadOnly Property ScreenX() As Integer
Get
Return GetSystemMetrics(SM_CXSCREEN)
End Get
End Property

Public Shared ReadOnly Property ScreenY() As Integer
Get
Return GetSystemMetrics(SM_CYSCREEN)
End Get
End Property

Public Shared Sub SetWinFullScreen(ByVal hwnd As IntPtr)
SetWindowPos(hwnd, HWND_TOP, 0, 0, ScreenX, ScreenY,
SWP_SHOWWINDOW)
End Sub 'SetWinFullScreen
End Class 'WinApi


Private frmState As New FormState()

Public Class FormState
Private winState As FormWindowState
Private brdStyle As FormBorderStyle
Private topMost As Boolean
Private bounds As Rectangle

Private IsMaximized As Boolean = False


Public Sub Maximize(ByVal targetForm As Form)
If Not IsMaximized Then
IsMaximized = True
Save(targetForm)
targetForm.WindowState = FormWindowState.Maximized
targetForm.FormBorderStyle = FormBorderStyle.None
targetForm.TopMost = True
WinApi.SetWinFullScreen(targetForm.Handle)
End If
End Sub 'Maximize


Public Sub Save(ByVal targetForm As Form)
winState = targetForm.WindowState
brdStyle = targetForm.FormBorderStyle
topMost = targetForm.TopMost
bounds = targetForm.Bounds
End Sub 'Save


Public Sub Restore(ByVal targetForm As Form)
targetForm.WindowState = winState
targetForm.FormBorderStyle = brdStyle
targetForm.TopMost = topMost
targetForm.Bounds = bounds
IsMaximized = False
End Sub 'Restore
End Class 'FormState

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As
System.EventArgs) Handles Button1.Click
frmState.Maximize(Me)
End Sub

Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As
System.EventArgs) Handles Button2.Click
frmState.Restore(Me)
End Sub
End Class

Finally, for such VB.net syntax issue, I would recommend you to post in
microsoft.public.dotnet.languages.vb because there will be more VB.net
developers there.

Hope this helps.

Best regards,
Jeffrey Tan
Microsoft Online Community Support
==================================================
Get notification to my posts through email? Please refer to
http://msdn.microsoft.com/subscriptions/managednewsgroups/default.aspx#notif
ications.

Note: The MSDN Managed Newsgroup support offering is for non-urgent issues
where an initial response from the community or a Microsoft Support
Engineer within 1 business day is acceptable. Please note that each follow
up response may take approximately 2 business days as the support
professional working with you may need further investigation to reach the
most efficient resolution. The offering is not appropriate for situations
that require urgent, real-time or phone-based interactions or complex
project analysis and dump analysis issues. Issues of this nature are best
handled working with a dedicated Microsoft Support Engineer by contacting
Microsoft Customer Support Services (CSS) at
http://msdn.microsoft.com/subscriptions/support/default.aspx.
==================================================
This posting is provided "AS IS" with no warranties, and confers no rights.
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