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OFFXP: How to Programmatically Hide and Unhide the Windows Taskbar

This article was previously published under Q290150
For a Microsoft Office 2000 version of this article, see 202099.
For a Microsoft Office 97 version of this article, see 186119.
SUMMARY
Advanced: Requires expert coding, interoperability, and multiuser skills.

By using API calls in Visual Basic for Applications, you canprogrammatically hide the Microsoft Windows 98 or Microsoft Windows NT4.0 taskbar. This article shows you how to create the two functions thatyou need to hide and unhide the taskbar.
MORE INFORMATION
Microsoft provides programming examples for illustration only, without warranty either expressed or implied. This includes, but is not limited to, the implied warranties of merchantability or fitness for a particular purpose. This article assumes that you are familiar with the programming language that is being demonstrated and with the tools that are used to create and to debug procedures. Microsoft support engineers can help explain the functionality of a particular procedure, but they will not modify these examples to provide added functionality or construct procedures to meet your specific requirements. To create the functions and to see how they work, follow these steps:
  1. Press ALT+F11 to start the Visual Basic Editor.
  2. Type the following code in a new module:
    Dim handleW1 As LongPrivate Declare Function FindWindowA Lib "user32" _   (ByVal lpClassName As String, _   ByVal lpWindowName As String) As LongPrivate Declare Function SetWindowPos Lib "user32" _   (ByVal handleW1 As Long, _   ByVal handleW1InsertWhere As Long, ByVal w As Long, _   ByVal x As Long, ByVal y As Long, ByVal z As Long, _   ByVal wFlags As Long) As LongConst TOGGLE_HIDEWINDOW = &H80Const TOGGLE_UNHIDEWINDOW = &H40Function HideTaskbar()   handleW1 = FindWindowA("Shell_traywnd", "")   Call SetWindowPos(handleW1, 0, 0, 0, 0, 0, TOGGLE_HIDEWINDOW)End FunctionFunction UnhideTaskbar()   Call SetWindowPos(handleW1, 0, 0, 0, 0, 0, TOGGLE_UNHIDEWINDOW)End Function					
  3. On the View menu, click Immediate Window, type the following command and then press ENTER:
    ?HideTaskBar()
    Note that the taskbar is no longer visible.
  4. To restore the taskbar, type the following command in the Immediate Window, and then press ENTER:
    ?UnHideTaskBar()
    Note that the taskbar is now visible.
REFERENCES
For additional information getting help with Visual Basic for Applications, click the article number below to view the article in the Microsoft Knowledge Base:
305326 OFFXP: Programming Resources for Visual Basic for Applications
OfficeKBHowTo inf vba
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Article ID: 290150 - Last Review: 01/31/2007 19:01:09 - Revision: 5.3

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