' Returns an array of controls of the specified type,' found within the specified parent control (or the form itself).' Note: the search is optionally done recursively, by checking also controls' ' child controls' Example: get an array with the form's textboxes' Dim textboxes() As TextBox = GetControlsByType(Me, GetType(TextBox))Function GetControlsByType(ByVal container As Control, _ ByVal ctlType As Type) As Control() Dim al As New ArrayList() Dim ctl As Control For Each ctl In container.Controls GetControlsByTypeHelper(container, ctlType, al) Next Return al.ToArray(GetType(Control))End FunctionSub GetControlsByTypeHelper(ByVal container As Control, ByVal ctlType As Type, _ ByVal al As ArrayList) Dim ctl As Control ' if the passed control is of the specified type, add it to the ArrayList If TypeName(container) = ctlType.Name Then al.Add(container) End If ' recursively call this routine for all the child controls For Each ctl In container.Controls GetControlsByTypeHelper(ctl, ctlType, al) NextEnd Sub
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