By Jeffery Hicks Over the last several lessons we've been exploring different techniques for display status and progress in your PowerShell scripts and functions.
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Jeffrey Hicks shows you how to build on the code from a previous lesson to add a progress bar to your status box.
$FileBrowser = New-Object -Property = ::GetFolderPath('Desktop')įilter = 'Documents (*.docx)|*.docx|SpreadSheet (*.xlsx)|*.xlsx' Add a Progress Bar to a Graphical Status Box in PowerShell. The above example allows me to choose any file we'd like, but we also can limit the input by file type too using the Filter property. You can see above that the OpenFileDialog object now contains all the information gathered from the file chosen. The system then stores the file information in the OpenFileDialog object itself. You might expect the output to return the chosen file name, but it doesn't. This is because the output does not return anything useful for our purposes. I'm assigning the output of ShowDialog() to $null. To show the dialog box, we'll have to use the ShowDialog() method.
In this case, I have the dialog box to display the desktop.Īt this point, the dialog box will not display. This tells the OpenFileDialog class which folder to display when the dialog box comes up. You can see above that the OpenFileDialog class constructor has an InitialDirectory argument. $FileBrowser = New-Object -Property InitialDirectory = ::GetFolderPath('Desktop') } Once we've loaded the assembly, we can instantiate an OpenFileDialog object using New-Object. NET assemblies are typically loaded for you, but in this case, we have to do it manually. To do this, we'll first need to load the assembly manually using the Add-Type cmdlet. NET class we need, which means we can also bring up the open file dialog box. Did you know you can get input to your PowerShell scripts this way too? Since PowerShell lies directly on top of. NET assembly called with a class inside called OpenFileDialog. The software you're using to invoke this dialog box uses a. This dialog box is standard across lots of Windows applications.
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