This sounds very similar to a splash screen/form that I created recently. Look
up how to create a simple form or a powershell splash screen and call it before
you generate your listbox, then close it after you are done.
Below is my code, in my script it is called on load and then closed at the end
of the load event. You will need to adjust the size variables to fix your
needs, but in your case you would do something like:
CreateLoadingWindow
<Your ListBox function here>
$formLoading.Close()
# FUNCTION: Loading screen
function CreateLoadingWindow
{
# Form Objects
[System.Windows.Forms.Application]::EnableVisualStyles()
$script:formLoading = New-Object 'System.Windows.Forms.Form'
$labelLoading = New-Object 'System.Windows.Forms.Label'
$InitialFormWindowState = New-Object 'System.Windows.Forms.FormWindowState'
# Form Events
$Form_StateCorrection_Load =
{
#Correct the initial state of the form to prevent the .Net maximized form
issue
$formLoading.WindowState = $InitialFormWindowState
}
$Form_Cleanup_FormClosed =
{
#Remove all event handlers from the controls
try
{
$formLoading.remove_Load($formLoading_Load)
$formLoading.remove_Load($Form_StateCorrection_Load)
$formLoading.remove_FormClosed($Form_Cleanup_FormClosed)
}
catch [Exception]
{ }
}
# Form Code
#
# formLoading
#
$formLoading.Controls.Add($labelLoading)
$formLoading.BackColor = 'Window'
$formLoading.ClientSize = '294, 21'
$formLoading.ControlBox = $False
$formLoading.Cursor = "AppStarting"
$formLoading.FormBorderStyle = 'FixedToolWindow'
$formLoading.Name = "NAME OF FORM"
$formLoading.ShowIcon = $False
$formLoading.ShowInTaskbar = $False
$formLoading.StartPosition = 'CenterScreen'
$formLoading.Text = "TITLE OF YOUR WINDOW"
#
# labelLoading
#
$labelLoading.Location = '2, 3'
$labelLoading.Name = " labelLoading "
$labelLoading.Size = '100, 16'
$labelLoading.TabIndex = 0
$labelLoading.Text = "PLEASE WAIT TEXT THAT IS DISPLAYED"
$formLoading.ResumeLayout()
#Save the initial state of the form
$InitialFormWindowState = $formLoading.WindowState
#Init the OnLoad event to correct the initial state of the form
$formLoading.add_Load($Form_StateCorrection_Load)
#Clean up the control events
$formLoading.add_FormClosed($Form_Cleanup_FormClosed)
#Show the Form
$formLoading.Show() | Out-Null
}
Gavin
-----Original Message-----
From: [email protected] [mailto:[email protected]] On
Behalf Of Michael Leone
Sent: Thursday, October 02, 2014 10:26 AM
To: [email protected]; [email protected]
Subject: [powershell] Powershell - how to display a msgbox with no buttons
So I have my script that pulls information from my RDS servers, and shows it as
a listbox onscreen. Kewl!
But ... (you knew there had to be one, right?)
The script takes a while to construct that listbox (basically, I need to do
query all the RDS servers for the list of running process for any of my
published RemoteApps [6]), and doing all those "Get-WmiObject" calls takes a
while). So what I want to do is display a message - "Hang on, it'll be done
soon". But I want it to just display until the listbox is ready, then go away.
I figure I would display that as soon as the script function to gather the
information starts, and I want to clear it, as soon as I have enough
information to fill the real listbox. Basically, an equivalent to the hourglass
that is displayed when Windows is busy doing something ...
And I don't know enough .Net to know how to do that ... Oh, I can find numerous
examples of showing a MsgBox, but they all have a "OK" button that the user is
supposed to press, to make it go away. And that's not what I want ..
If someone could tell me exactly what sort of search terms I should be using,
or a pointer to an example script that puts up a msgbox, and then removes the
msgbox without user action, that would be ideal.
Thanks. Sorry to keep asking so many questions.
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