PriorityRange.cs source code in C# .NET

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Code:

                         / Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / wpf / src / Base / System / Windows / Threading / PriorityRange.cs / 1 / PriorityRange.cs
                        

                        
                            using System; 

namespace System.Windows.Threading
{
    ///  
    ///     Represents a range of priorities.
    ///  
    internal struct PriorityRange 
    {
        ///  
        ///     The range of all possible priorities.
        /// 
        public static readonly PriorityRange All = new PriorityRange(DispatcherPriority.Inactive, DispatcherPriority.Send, true);  // NOTE: should be Priority
 
        /// 
        ///     A range that includes no priorities. 
        ///  
        public static readonly PriorityRange None = new PriorityRange(DispatcherPriority.Invalid, DispatcherPriority.Invalid, true); // NOTE: should be Priority
 
        /// 
        ///     Constructs an instance of the PriorityRange class.
        /// 
        public PriorityRange(DispatcherPriority min, DispatcherPriority max) : this() // NOTE: should be Priority 
        {
            Initialize(min, true, max, true); 
        } 

        ///  
        ///     Constructs an instance of the PriorityRange class.
        /// 
        public PriorityRange(DispatcherPriority min, bool isMinInclusive, DispatcherPriority max, bool isMaxInclusive) : this() // NOTE: should be Priority
        { 
            Initialize(min, isMinInclusive, max, isMaxInclusive);
        } 
 
        /// 
        ///     The minimum priority of this range. 
        /// 
        public DispatcherPriority Min // NOTE: should be Priority
        {
            get 
            {
                return _min; 
            } 
        }
 
        /// 
        ///     The maximum priority of this range.
        /// 
        public DispatcherPriority Max // NOTE: should be Priority 
        {
            get 
            { 
                return _max;
            } 
        }

        /// 
        ///     Whether or not the minimum priority in included in this range. 
        /// 
        public bool IsMinInclusive 
        { 
            get
            { 
                return _isMinInclusive;
            }
        }
 
        /// 
        ///     Whether or not the maximum priority in included in this range. 
        ///  
        public bool IsMaxInclusive
        { 
            get
            {
                return _isMaxInclusive;
            } 
        }
 
        ///  
        ///     Whether or not this priority range is valid.
        ///  
        public bool IsValid
        {
            get
            { 
                // return _min != null && _min.IsValid && _max != null && _max.IsValid;
                return (_min > DispatcherPriority.Invalid && _min <= DispatcherPriority.Send && 
                        _max > DispatcherPriority.Invalid && _max <= DispatcherPriority.Send); 
            }
        } 

        /// 
        ///     Whether or not this priority range contains the specified
        ///     priority. 
        /// 
        public bool Contains(DispatcherPriority priority) // NOTE: should be Priority 
        { 
            /*
            if (priority == null || !priority.IsValid) 
            {
                return false;
            }
            */ 
            if(priority <= DispatcherPriority.Invalid || priority > DispatcherPriority.Send)
            { 
                return false; 
            }
 
            if (!IsValid)
            {
                return false;
            } 

            bool contains = false; 
 
            if (_isMinInclusive)
            { 
                contains = (priority >= _min);
            }
            else
            { 
                contains = (priority > _min);
            } 
 
            if (contains)
            { 
                if (_isMaxInclusive)
                {
                    contains = (priority <= _max);
                } 
                else
                { 
                    contains = (priority < _max); 
                }
            } 

            return contains;
        }
 
        /// 
        ///     Whether or not this priority range contains the specified 
        ///     priority range. 
        /// 
        public bool Contains(PriorityRange priorityRange) 
        {
            if (!priorityRange.IsValid)
            {
                return false; 
            }
 
            if (!IsValid) 
            {
                return false; 
            }

            bool contains = false;
 
            if (priorityRange._isMinInclusive)
            { 
                contains = Contains(priorityRange.Min); 
            }
            else 
            {
                if(priorityRange.Min >= _min && priorityRange.Min < _max)
                {
                    contains = true; 
                }
            } 
 
            if (contains)
            { 
                if (priorityRange._isMaxInclusive)
                {
                    contains = Contains(priorityRange.Max);
                } 
                else
                { 
                    if(priorityRange.Max > _min && priorityRange.Max <= _max) 
                    {
                        contains = true; 
                    }
                }
            }
 
            return contains;
        } 
 
        /// 
        ///     Equality method for two PriorityRange 
        /// 
        public override bool Equals(object o)
        {
            if(o is PriorityRange) 
            {
                return Equals((PriorityRange) o); 
            } 
            else
            { 
                return false;
            }
        }
 
        /// 
        ///     Equality method for two PriorityRange 
        ///  
        public bool Equals(PriorityRange priorityRange)
        { 
            return priorityRange._min == this._min &&
                   priorityRange._isMinInclusive == this._isMinInclusive &&
                   priorityRange._max == this._max &&
                   priorityRange._isMaxInclusive == this._isMaxInclusive; 
        }
 
        ///  
        ///     Equality operator
        ///  
        public static bool operator== (PriorityRange priorityRange1, PriorityRange priorityRange2)
        {
            return priorityRange1.Equals(priorityRange2);
        } 

        ///  
        ///     Inequality operator 
        /// 
        public static bool operator!= (PriorityRange priorityRange1, PriorityRange priorityRange2) 
        {
            return !(priorityRange1 == priorityRange2);
        }
 
        /// 
        ///     Returns a reasonable hash code for this PriorityRange instance. 
        ///  
        public override int GetHashCode()
        { 
            return base.GetHashCode();
        }

        private void Initialize(DispatcherPriority min, bool isMinInclusive, DispatcherPriority max, bool isMaxInclusive) // NOTE: should be Priority 
        {
            /* 
            if(min == null) 
            {
                throw new ArgumentNullException("min"); 
            }

            if (!min.IsValid)
            { 
                throw new ArgumentException("Invalid priority.", "min");
            } 
            */ 
            if(min < DispatcherPriority.Invalid || min > DispatcherPriority.Send)
            { 
                // If we move to a Priority class, this exception will have to change too.
                throw new System.ComponentModel.InvalidEnumArgumentException("min", (int)min, typeof(DispatcherPriority));
            }
            if(min == DispatcherPriority.Inactive) 
            {
                throw new ArgumentException(SR.Get(SRID.InvalidPriority), "min"); 
            } 

            /* 
            if(max == null)
            {
                throw new ArgumentNullException("max");
            } 

            if (!max.IsValid) 
            { 
                throw new ArgumentException("Invalid priority.", "max");
            } 
            */
            if(max < DispatcherPriority.Invalid || max > DispatcherPriority.Send)
            {
                // If we move to a Priority class, this exception will have to change too. 
                throw new System.ComponentModel.InvalidEnumArgumentException("max", (int)max, typeof(DispatcherPriority));
            } 
            if(max == DispatcherPriority.Inactive) 
            {
                throw new ArgumentException(SR.Get(SRID.InvalidPriority), "max"); 
            }

            if (max < min)
            { 
                throw new ArgumentException(SR.Get(SRID.InvalidPriorityRangeOrder));
            } 
 
            _min = min;
            _isMinInclusive = isMinInclusive; 
            _max = max;
            _isMaxInclusive = isMaxInclusive;
        }
 
        // This is a constructor for our special static members.
        private PriorityRange(DispatcherPriority min, DispatcherPriority max, bool ignored) // NOTE: should be Priority 
        { 
            _min = min;
            _isMinInclusive = true; 
            _max = max;
            _isMaxInclusive = true;
        }
 
        private DispatcherPriority _min;  // NOTE: should be Priority
        private bool _isMinInclusive; 
        private DispatcherPriority _max;  // NOTE: should be Priority 
        private bool _isMaxInclusive;
 
    }
}

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

namespace System.Windows.Threading
{
    ///  
    ///     Represents a range of priorities.
    ///  
    internal struct PriorityRange 
    {
        ///  
        ///     The range of all possible priorities.
        /// 
        public static readonly PriorityRange All = new PriorityRange(DispatcherPriority.Inactive, DispatcherPriority.Send, true);  // NOTE: should be Priority
 
        /// 
        ///     A range that includes no priorities. 
        ///  
        public static readonly PriorityRange None = new PriorityRange(DispatcherPriority.Invalid, DispatcherPriority.Invalid, true); // NOTE: should be Priority
 
        /// 
        ///     Constructs an instance of the PriorityRange class.
        /// 
        public PriorityRange(DispatcherPriority min, DispatcherPriority max) : this() // NOTE: should be Priority 
        {
            Initialize(min, true, max, true); 
        } 

        ///  
        ///     Constructs an instance of the PriorityRange class.
        /// 
        public PriorityRange(DispatcherPriority min, bool isMinInclusive, DispatcherPriority max, bool isMaxInclusive) : this() // NOTE: should be Priority
        { 
            Initialize(min, isMinInclusive, max, isMaxInclusive);
        } 
 
        /// 
        ///     The minimum priority of this range. 
        /// 
        public DispatcherPriority Min // NOTE: should be Priority
        {
            get 
            {
                return _min; 
            } 
        }
 
        /// 
        ///     The maximum priority of this range.
        /// 
        public DispatcherPriority Max // NOTE: should be Priority 
        {
            get 
            { 
                return _max;
            } 
        }

        /// 
        ///     Whether or not the minimum priority in included in this range. 
        /// 
        public bool IsMinInclusive 
        { 
            get
            { 
                return _isMinInclusive;
            }
        }
 
        /// 
        ///     Whether or not the maximum priority in included in this range. 
        ///  
        public bool IsMaxInclusive
        { 
            get
            {
                return _isMaxInclusive;
            } 
        }
 
        ///  
        ///     Whether or not this priority range is valid.
        ///  
        public bool IsValid
        {
            get
            { 
                // return _min != null && _min.IsValid && _max != null && _max.IsValid;
                return (_min > DispatcherPriority.Invalid && _min <= DispatcherPriority.Send && 
                        _max > DispatcherPriority.Invalid && _max <= DispatcherPriority.Send); 
            }
        } 

        /// 
        ///     Whether or not this priority range contains the specified
        ///     priority. 
        /// 
        public bool Contains(DispatcherPriority priority) // NOTE: should be Priority 
        { 
            /*
            if (priority == null || !priority.IsValid) 
            {
                return false;
            }
            */ 
            if(priority <= DispatcherPriority.Invalid || priority > DispatcherPriority.Send)
            { 
                return false; 
            }
 
            if (!IsValid)
            {
                return false;
            } 

            bool contains = false; 
 
            if (_isMinInclusive)
            { 
                contains = (priority >= _min);
            }
            else
            { 
                contains = (priority > _min);
            } 
 
            if (contains)
            { 
                if (_isMaxInclusive)
                {
                    contains = (priority <= _max);
                } 
                else
                { 
                    contains = (priority < _max); 
                }
            } 

            return contains;
        }
 
        /// 
        ///     Whether or not this priority range contains the specified 
        ///     priority range. 
        /// 
        public bool Contains(PriorityRange priorityRange) 
        {
            if (!priorityRange.IsValid)
            {
                return false; 
            }
 
            if (!IsValid) 
            {
                return false; 
            }

            bool contains = false;
 
            if (priorityRange._isMinInclusive)
            { 
                contains = Contains(priorityRange.Min); 
            }
            else 
            {
                if(priorityRange.Min >= _min && priorityRange.Min < _max)
                {
                    contains = true; 
                }
            } 
 
            if (contains)
            { 
                if (priorityRange._isMaxInclusive)
                {
                    contains = Contains(priorityRange.Max);
                } 
                else
                { 
                    if(priorityRange.Max > _min && priorityRange.Max <= _max) 
                    {
                        contains = true; 
                    }
                }
            }
 
            return contains;
        } 
 
        /// 
        ///     Equality method for two PriorityRange 
        /// 
        public override bool Equals(object o)
        {
            if(o is PriorityRange) 
            {
                return Equals((PriorityRange) o); 
            } 
            else
            { 
                return false;
            }
        }
 
        /// 
        ///     Equality method for two PriorityRange 
        ///  
        public bool Equals(PriorityRange priorityRange)
        { 
            return priorityRange._min == this._min &&
                   priorityRange._isMinInclusive == this._isMinInclusive &&
                   priorityRange._max == this._max &&
                   priorityRange._isMaxInclusive == this._isMaxInclusive; 
        }
 
        ///  
        ///     Equality operator
        ///  
        public static bool operator== (PriorityRange priorityRange1, PriorityRange priorityRange2)
        {
            return priorityRange1.Equals(priorityRange2);
        } 

        ///  
        ///     Inequality operator 
        /// 
        public static bool operator!= (PriorityRange priorityRange1, PriorityRange priorityRange2) 
        {
            return !(priorityRange1 == priorityRange2);
        }
 
        /// 
        ///     Returns a reasonable hash code for this PriorityRange instance. 
        ///  
        public override int GetHashCode()
        { 
            return base.GetHashCode();
        }

        private void Initialize(DispatcherPriority min, bool isMinInclusive, DispatcherPriority max, bool isMaxInclusive) // NOTE: should be Priority 
        {
            /* 
            if(min == null) 
            {
                throw new ArgumentNullException("min"); 
            }

            if (!min.IsValid)
            { 
                throw new ArgumentException("Invalid priority.", "min");
            } 
            */ 
            if(min < DispatcherPriority.Invalid || min > DispatcherPriority.Send)
            { 
                // If we move to a Priority class, this exception will have to change too.
                throw new System.ComponentModel.InvalidEnumArgumentException("min", (int)min, typeof(DispatcherPriority));
            }
            if(min == DispatcherPriority.Inactive) 
            {
                throw new ArgumentException(SR.Get(SRID.InvalidPriority), "min"); 
            } 

            /* 
            if(max == null)
            {
                throw new ArgumentNullException("max");
            } 

            if (!max.IsValid) 
            { 
                throw new ArgumentException("Invalid priority.", "max");
            } 
            */
            if(max < DispatcherPriority.Invalid || max > DispatcherPriority.Send)
            {
                // If we move to a Priority class, this exception will have to change too. 
                throw new System.ComponentModel.InvalidEnumArgumentException("max", (int)max, typeof(DispatcherPriority));
            } 
            if(max == DispatcherPriority.Inactive) 
            {
                throw new ArgumentException(SR.Get(SRID.InvalidPriority), "max"); 
            }

            if (max < min)
            { 
                throw new ArgumentException(SR.Get(SRID.InvalidPriorityRangeOrder));
            } 
 
            _min = min;
            _isMinInclusive = isMinInclusive; 
            _max = max;
            _isMaxInclusive = isMaxInclusive;
        }
 
        // This is a constructor for our special static members.
        private PriorityRange(DispatcherPriority min, DispatcherPriority max, bool ignored) // NOTE: should be Priority 
        { 
            _min = min;
            _isMinInclusive = true; 
            _max = max;
            _isMaxInclusive = true;
        }
 
        private DispatcherPriority _min;  // NOTE: should be Priority
        private bool _isMinInclusive; 
        private DispatcherPriority _max;  // NOTE: should be Priority 
        private bool _isMaxInclusive;
 
    }
}

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

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