Make a psn name checker visual basic
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Alternatively, you can set this property to Image or ImageAndText, and set the image to be displayed in the Image property.Ĭlick OK to close the dialog box. Set the DisplayStyle property for each of the buttons to Text. Set the Text property of the buttons to Load, Save, and Cancel. Set the Name property of the buttons to LoadButton, SaveButton, and CancelButton, respectively. In the Items Collection Editor, complete the following:Īdd a ToolStripSeparator and three ToolStripButton items by selecting the appropriate type of ToolStripItem and clicking the Add button.
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Set the BindingNavigator control's BindingSource property to the BindingSource on the form that is bound to the controls.Ĭlick the designer actions glyph ( ) so the BindingNavigator Tasks dialog appears and select Edit Items. For this example, the BindingSource is bound to a database.Īfter the dataset and table adapter are generated, drag a BindingNavigator control to the form.
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In Visual Studio, add a TextBox control to your form.īind it to a BindingSource, which is bound to a data source. Add load, save, and cancel buttons to the BindingNavigator component In the following procedure, a TextBox control is bound to data, and the ToolStrip control that is added to the form is modified to include load, save, and cancel buttons. Optional ByRef firstCharIndex As Integer = Nothing) As Booleanĭirectory = Path.GetDirectoryName(fileName)į = file.Intersect(Path.GetInvalidFileNameChars())įirstCharIndex = Len(directory) + file.IndexOf(f.First)į = directory.Intersect(Path.GetInvalidPathChars())įirstCharIndex = directory.IndexOf(f.First)ĭirectory.Intersect(Path.GetInvalidPathChars()).The BindingNavigator control is a special-purpose ToolStrip control that is intended for navigating and manipulating controls on your form that are bound to data.īecause it's a ToolStrip control, the BindingNavigator component can be easily modified to include additional or alternative commands for the user. Optional ByVal allowPathDefinition As Boolean = False, _ Public Shared Function FilenameIsOK(ByVal fileName As String, _ ''' (optional) return the index of first invalid character If set to false only filenames are allowed ''' (optional) set true to allow path definitions. Any other validation you do here is duplicated effort for work you'll still have to put into an exception handler.īased on Joel Coehoorns well written solution, I added some additional functionality for validation. This works especially well, because you'll likely have to do this anyway. One other point here, is often the best way to deal with file system issues is to let the file system tell you: try to open or create the file in question, and deal with the exception. Return Not (file.Intersect(Path.GetInvalidFileNameChars()).Any() _ĭirectory.Intersect(Path.GetInvalidPathChars()).Any()) Break it up just a little bit to improve readability: Public Shared Function FilenameIsOK(ByVal fileName as String) as Booleanĭim file As String = Path.GetFileName(fileName)ĭim directory As String = Path.GetDirectoryName(fileName) Though I wouldn't recommend writing it that way. Return Not (Path.GetFileName(fileName).Intersect(Path.GetInvalidFileNameChars()).Any() OrElse Path.GetDirectoryName(fileName).Intersect(Path.GetInvalidPathChars()).Any()) In fact, it can be reduced to a single line: Public Shared Function FilenameIsOK(ByVal fileName as String) as Boolean The current accepted and other answers are way more complicated than needed. Old now, but I saw this and just had to add a new answer.