Set-FieldVisibility.ps1

<#
.DESCRIPTION 
  Sets a field visibility (Display Form, New Form, Edit Form, Hidden)
.PARAMETER Field
  The Field to modifiy its visibility settings
.PARAMETER ShowInDisplayForm
  If we want the field to be visible in the DisplayForm
.PARAMETER ShowInNewForm
  If we want the field to be visible in the NewForm
.PARAMETER ShowInEditForm
  If we want the field to be visible in the EditForm
.PARAMETER Hidden
  If we want the fiels to be hidden from every form
.EXAMPLE
  .\Set-FieldVisibility.ps1 -Field $Field -ShowInDisplayForm $true -ShowInNewForm $true -ShowInEditForm $true -Hidden $false
#>
function Set-FieldVisibility() {
  Param(
    [Parameter(Mandatory = $true, ValueFromPipeline = $true)]
    [Microsoft.SharePoint.Client.Field]
    $Field,
    
    [Parameter(Mandatory=$false)]
    [Bool]$ShowInDisplayForm = $true,
    
    [Parameter(Mandatory=$false)]
    [Bool]$ShowInNewForm = $true,
    
    [Parameter(Mandatory=$false)]
    [Bool]$ShowInEditForm = $true,
    
    [Parameter(Mandatory=$false)]
    [Bool]$Hidden = $false
  )
	
  Begin
  {
    #-----------------------------------------------------------------------
    # Getting if the parameters were specified to prevent updating unwanted values
    #-----------------------------------------------------------------------
    $showInDisplayFormSpecified = $PSBoundParameters.ContainsKey("ShowInDisplayForm")
    $showInNewFormSpecified = $PSBoundParameters.ContainsKey("ShowInNewForm")
    $showInEditFormSpecified = $PSBoundParameters.ContainsKey("ShowInEditForm")
    $hiddenSpecified = $PSBoundParameters.ContainsKey("Hidden")
  }
  
  Process 
  {
    #-----------------------------------------------------------------------
    # If the ShowInDisplayForm parameter has been specified, sets its value
    #-----------------------------------------------------------------------
    if($showInDisplayFormSpecified)
    {
      $Field.SetShowInDisplayForm($ShowInDisplayForm)
    }
    
    #-----------------------------------------------------------------------
    # If the ShowInNewForm parameter has been specified, sets its value
    #-----------------------------------------------------------------------
    if($showInNewFormSpecified)
    {
      $Field.SetShowInNewForm($ShowInNewForm)
    }
    
    #-----------------------------------------------------------------------
    # If the ShowInEditForm parameter has been specified, sets its value
    #-----------------------------------------------------------------------
    if($showInEditFormSpecified)
    {
      $Field.SetShowInEditForm($ShowInEditForm)
    }
    
    #-----------------------------------------------------------------------
    # If the Hidden parameter has been specified, sets its value
    #-----------------------------------------------------------------------
    if($hiddenSpecified)
    {
      $Field.Hidden = $Hidden
    }
    
    #-----------------------------------------------------------------------
    # Update the field
    #-----------------------------------------------------------------------
    $Field.Update()
    
    #-----------------------------------------------------------------------
    # Execute the query
    #-----------------------------------------------------------------------
    $Field.Context.ExecuteQuery()
  }
}