StringUtil.cs source code in C# .NET

                        Code:
                         / Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / whidbey / NetFxQFE / ndp / fx / src / Configuration / System / Configuration / StringUtil.cs / 1 / StringUtil.cs
                        
                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

namespace System.Configuration { 
    using System.Collections; 
    using System.Collections.Specialized;
    using System.Configuration; 
    using System.Globalization;
    using System.IO;
    using System.Runtime.InteropServices;
    using System.Security.Permissions; 
    using System.Security;
    using System.Text; 
    using System.Xml; 
    using Microsoft.Win32;
 
    static internal class StringUtil {

#if UNUSED_CODE
        /* 
         * Determines if two strings are equal.
         */ 
        internal static bool Equals(string s1, string s2) { 
            return String.Equals(s1, s2, StringComparison.Ordinal);
        } 
#endif

        /*
         * Determines if two strings are equal. Treats null and String.Empty as equivalent. 
         */
        internal static bool EqualsNE(string s1, string s2) { 
            if (s1 == null) { 
                s1 = String.Empty;
            } 

            if (s2 == null) {
                s2 = String.Empty;
            } 

            return String.Equals(s1, s2, StringComparison.Ordinal); 
        } 

        /* 
         * Determines if two strings are equal, ignoring case.
         */
        internal static bool EqualsIgnoreCase(string s1, string s2) {
            return String.Equals(s1, s2, StringComparison.OrdinalIgnoreCase); 
        }
 
#if UNUSED_CODE 
        /*
         * Determines if two strings are equal, ignoring case. Treats null and String.Empty as equivalent. 
         */
        internal static bool EqualsIgnoreCaseNE(string s1, string s2) {
            if (s1 == null) {
                s1 = String.Empty; 
            }
 
            if (s2 == null) { 
                s2 = String.Empty;
            } 

            return String.Equals(s1, s2, StringComparison.OrdinalIgnoreCase);
        }
#endif 

        /* 
         * Determines if the first string starts with the second string, ignoring case. 
         */
        internal static bool StartsWith(string s1, string s2) { 
            if (s2 == null) {
                return false;
            }
 
            return 0 == String.Compare(s1, 0, s2, 0, s2.Length, StringComparison.Ordinal);
        } 
 
        /*
         * Determines if the first string starts with the second string, ignoring case. 
         */
        internal static bool StartsWithIgnoreCase(string s1, string s2) {
            if (s2 == null) {
                return false; 
            }
 
            return 0 == String.Compare(s1, 0, s2, 0, s2.Length, StringComparison.OrdinalIgnoreCase); 
        }
 
        internal static string[] ObjectArrayToStringArray(object[] objectArray) {
            String[] stringKeys = new String[objectArray.Length];
            objectArray.CopyTo(stringKeys, 0);
            return stringKeys; 
        }
 
    } 
}

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

namespace System.Configuration { 
    using System.Collections; 
    using System.Collections.Specialized;
    using System.Configuration; 
    using System.Globalization;
    using System.IO;
    using System.Runtime.InteropServices;
    using System.Security.Permissions; 
    using System.Security;
    using System.Text; 
    using System.Xml; 
    using Microsoft.Win32;
 
    static internal class StringUtil {

#if UNUSED_CODE
        /* 
         * Determines if two strings are equal.
         */ 
        internal static bool Equals(string s1, string s2) { 
            return String.Equals(s1, s2, StringComparison.Ordinal);
        } 
#endif

        /*
         * Determines if two strings are equal. Treats null and String.Empty as equivalent. 
         */
        internal static bool EqualsNE(string s1, string s2) { 
            if (s1 == null) { 
                s1 = String.Empty;
            } 

            if (s2 == null) {
                s2 = String.Empty;
            } 

            return String.Equals(s1, s2, StringComparison.Ordinal); 
        } 

        /* 
         * Determines if two strings are equal, ignoring case.
         */
        internal static bool EqualsIgnoreCase(string s1, string s2) {
            return String.Equals(s1, s2, StringComparison.OrdinalIgnoreCase); 
        }
 
#if UNUSED_CODE 
        /*
         * Determines if two strings are equal, ignoring case. Treats null and String.Empty as equivalent. 
         */
        internal static bool EqualsIgnoreCaseNE(string s1, string s2) {
            if (s1 == null) {
                s1 = String.Empty; 
            }
 
            if (s2 == null) { 
                s2 = String.Empty;
            } 

            return String.Equals(s1, s2, StringComparison.OrdinalIgnoreCase);
        }
#endif 

        /* 
         * Determines if the first string starts with the second string, ignoring case. 
         */
        internal static bool StartsWith(string s1, string s2) { 
            if (s2 == null) {
                return false;
            }
 
            return 0 == String.Compare(s1, 0, s2, 0, s2.Length, StringComparison.Ordinal);
        } 
 
        /*
         * Determines if the first string starts with the second string, ignoring case. 
         */
        internal static bool StartsWithIgnoreCase(string s1, string s2) {
            if (s2 == null) {
                return false; 
            }
 
            return 0 == String.Compare(s1, 0, s2, 0, s2.Length, StringComparison.OrdinalIgnoreCase); 
        }
 
        internal static string[] ObjectArrayToStringArray(object[] objectArray) {
            String[] stringKeys = new String[objectArray.Length];
            objectArray.CopyTo(stringKeys, 0);
            return stringKeys; 
        }
 
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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StringUtil.cs source code in C# .NET

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