SelectionRange.cs source code in C# .NET

Source code for the .NET framework in C#

                        

Code:

/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / WinForms / Managed / System / WinForms / SelectionRange.cs / 1 / SelectionRange.cs

                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

namespace System.Windows.Forms { 
    using System.Runtime.Serialization.Formatters; 

    using System.Diagnostics; 

    using System;
    using System.Globalization;
    using System.Drawing; 
    using System.Windows.Forms;
    using System.ComponentModel; 
    using System.IO; 
    using Microsoft.Win32;
 
    /// 
    /// 
    ///     This is a class that represents the date selection range of a MonthCalendar control.
    ///  
    [
    TypeConverterAttribute(typeof(SelectionRangeConverter)) 
    ] 
    public sealed class SelectionRange {
        ///  
        /// 
        ///     The lower limit of the selection range.
        /// 
        private DateTime start = DateTime.MinValue.Date; 

        ///  
        ///  
        ///     The upper limit of the selection range.
        ///  
        private DateTime end = DateTime.MaxValue.Date;

        /// 
        ///  
        ///     Create a new SelectionRange object with the range [null, null].
        ///  
        public SelectionRange() { 
        }
 
        /// 
        /// 
        ///     Create a new SelectionRange object with the given range.
        ///  
        public SelectionRange(DateTime lower, DateTime upper) {
            //NOTE: simcooke: we explicitly DO NOT want to throw an exception here - just silently 
            //                swap them around. This is because the win32 control can return non- 
            //                normalized ranges.
 
            // We use lower.Date and upper.Date to remove any time component
            //
            if (lower < upper) {
                start = lower.Date; 
                end = upper.Date;
            } 
            else { 
                start = upper.Date;
                end = lower.Date; 
            }
        }

        ///  
        /// 
        ///     Create a new SelectionRange object given an existing SelectionRange object. 
        ///  
        public SelectionRange(SelectionRange range) {
            this.start = range.start; 
            this.end = range.end;
        }

        ///  
        /// 
        ///     Returns the ending time of this range. 
        ///  
        public DateTime End {
            get { 
                return end;
            }
            set {
                end = value.Date; 
            }
        } 
 
        /// 
        ///  
        ///     Starting time of this range
        /// 
        public DateTime Start {
            get { 
                return start;
            } 
            set { 
                start = value.Date;
            } 
        }

        /// 
        ///  
        ///     Returns a string representation for this control.
        ///  
        ///  
        public override string ToString() {
            return "SelectionRange: Start: " + start.ToString() + ", End: " + end.ToString(); 
        }
    }
}
 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
                        

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