How to programmatically minimize or maximize the Visio application window (300594)

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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. Visio does not have built-in methods to minimize or maximize the application window. To work around this limitation, insert the following VBA code into your drawing's VBA project.

Private Declare Function ShowWindow Lib "user32" _
    (ByVal hwnd As Long, _
    ByVal nCmdShow As Long) As Long

Private Const SW_SHOWMINIMIZED = 2
Private Const SW_SHOWMAXIMIZED = 3


Public Sub MaxVisioApplicationWindow()
    ShowWindow Visio.Application.WindowHandle32, SW_SHOWMAXIMIZED
End Sub

Public Sub MinVisioApplicationWindow()
    ShowWindow Visio.Application.WindowHandle32, SW_SHOWMINIMIZED
End Sub