.NET (Core and Framework)

dileep2009 wrote:

If u notice the Windows XP shutdown/logoff dialog, these are modal to the system.

dileep2009 wrote:

Is there anyway we can replicate this into our applications or maybe an alternative suggestion...

<DllImport("user32.dll")> _
    Private Shared Function CreateDesktop(ByVal lpszDesktop As String, ByVal lpszDevice As IntPtr, ByVal pDevmode As IntPtr, ByVal dwFlags As Integer, ByVal dwDesiredAccess As Integer, ByVal lpsa As IntPtr) As IntPtr
    End Function
    <DllImport("user32.dll")> _
Public Shared Function SetThreadDesktop(ByVal hDesktop As IntPtr) As Boolean
    End Function
    <DllImport("user32.dll")> _
    Public Shared Function GetThreadDesktop(ByVal dwThreadId As Integer) As IntPtr
    End Function
    <DllImport("kernel32.dll")> _
    Public Shared Function GetCurrentThreadId() As Integer
    End Function
    <DllImport("user32.dll")> _
    Public Shared Function SwitchDesktop(ByVal hDesktop As IntPtr) As Boolean
    End Function
    'desktop
    Public Const DESKTOP_CREATEWINDOW As Integer = &H2
    Public Const DESKTOP_ENUMERATE As Integer = &H40
    Public Const DESKTOP_WRITEOBJECTS As Integer = &H80
    Public Const DESKTOP_SWITCHDESKTOP As Integer = &H100
    Public Const DESKTOP_CREATEMENU As Integer = &H4
    Public Const DESKTOP_HOOKCONTROL As Integer = &H8
    Public Const DESKTOP_READOBJECTS As Integer = &H1
    Public Const DESKTOP_JOURNALRECORD As Integer = &H10
    Public Const DESKTOP_JOURNALPLAYBACK As Integer = &H20
    Public Const AccessRights As Integer = DESKTOP_CREATEWINDOW Or DESKTOP_SWITCHDESKTOP
    Public Const MB_SERVICE_NOTIFICATION As UInteger = &H200000
    Private Sub CreateNewDesktop()
        'Get the current desktop
        Dim _hOrigDesktop As IntPtr = GetThreadDesktop(GetCurrentThreadId())
        'create our desktop
        Dim _hNewDesktop As IntPtr = CreateDesktop("MyDesktop", IntPtr.Zero, IntPtr.Zero, 0, AccessRights, IntPtr.Zero)
        ' set the thread desktop
        SetThreadDesktop(_hNewDesktop)
        SwitchDesktop(_hNewDesktop)
        'MessageBox.Show("test", "test", MessageBoxButtons.OK, MessageBoxIcon.Question, MessageBoxDefaultButton.Button2, MessageBoxOptions.ServiceNotification)
        Form2.showdialog() 'this is not shown in the new desktop 
        SwitchDesktop(_hOrigDesktop)
        SetThreadDesktop(_hOrigDesktop)
    End Sub

dileep2009 wrote:

.....i just used a different thread to execute the new desktop procedure....