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Dialog Controls

  • The Dialog Controls allow you to present a standard dialog box to your user without having to code one from scratch
  • The Dialog Controls are:
    • ColorDialog
    • FolderBrowserDialog
    • FontDialog
    • OpenFileDialog
    • SaveFileDialog
  • The OpenFileDialog settings you’ll want to set before using it:
    • .DefaultExt gives the default extension for opening files
    • .Filter allows you to limit the file types that can be selected
    • .FilterIndex will select the default Filter item
    • .FileName will be returned when the user clicks the OK button
  • The SaveFileDialog box uses the same types of parameters as the OpenFileDialog
  • You’ll have to write to code to open or save the file
  • The ColorDialog control has the following settings:
    • .SolidColorOnly =True will only allow the user to select a subset of available colors, =False will show a spectrum the user can choose a color from
      • You’ll want to then get the color from the dialog using .Color.ToKnownColor if you set this to False
    • .Color will allow you to set the initial color selected in the box
  • The FontDialog box has the following settings:
    • .FixedPitchOnly will restrict the list to fixed pitch fonts only
    • .MinSize and .MaxSize will restrict the point size of the fonts available to the user
    • .ShowColor will let the user pick the font color, too