ParameterBuilder.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / clr / src / BCL / System / Reflection / Emit / ParameterBuilder.cs / 1 / ParameterBuilder.cs
                        

                        
                            // ==++== 
//
//   Copyright (c) Microsoft Corporation.  All rights reserved.
//
// ==--== 
/*============================================================
** 
** Class:  ParameterBuilder 
**
** 
** ParameterBuilder is used to create/associate parameter information
**
**
===========================================================*/ 
namespace System.Reflection.Emit {
 	using System.Runtime.InteropServices; 
	using System; 
	using System.Reflection;
    using System.Security.Permissions; 

    [ClassInterface(ClassInterfaceType.None)]
    [ComDefaultInterface(typeof(_ParameterBuilder))]
[System.Runtime.InteropServices.ComVisible(true)] 
    public class ParameterBuilder : _ParameterBuilder
    { 
        // set ParamMarshal 
        [Obsolete("An alternate API is available: Emit the MarshalAs custom attribute instead. http://go.microsoft.com/fwlink/?linkid=14202")]
        public virtual void SetMarshal(UnmanagedMarshal unmanagedMarshal) 
        {
            if (unmanagedMarshal == null)
            {
    			throw new ArgumentNullException("unmanagedMarshal"); 
            }
 
            byte []        ubMarshal = unmanagedMarshal.InternalGetBytes(); 
            TypeBuilder.InternalSetMarshalInfo(
                m_methodBuilder.GetModule(), 
                m_pdToken.Token,
                ubMarshal,
                ubMarshal.Length);
        } 

        // Set the default value of the parameter 
        public virtual void SetConstant(Object defaultValue) 
        {
            TypeBuilder.SetConstantValue( 
                m_methodBuilder.GetModule(),
                m_pdToken.Token,
                m_iPosition == 0 ? m_methodBuilder.m_returnType : m_methodBuilder.m_parameterTypes[m_iPosition-1],
                defaultValue); 
        }
 
		// Use this function if client decides to form the custom attribute blob themselves 
[System.Runtime.InteropServices.ComVisible(true)]
    	public void SetCustomAttribute(ConstructorInfo con, byte[] binaryAttribute) 
    	{
    		if (con == null)
    			throw new ArgumentNullException("con");
    		if (binaryAttribute == null) 
    			throw new ArgumentNullException("binaryAttribute");
    		 
            TypeBuilder.InternalCreateCustomAttribute( 
                m_pdToken.Token,
                ((ModuleBuilder )m_methodBuilder.GetModule()).GetConstructorToken(con).Token, 
                binaryAttribute,
                m_methodBuilder.GetModule(),
                false);
    	} 

 		// Use this function if client wishes to build CustomAttribute using CustomAttributeBuilder 
        public void SetCustomAttribute(CustomAttributeBuilder customBuilder) 
        {
            if (customBuilder == null) 
            {
    			throw new ArgumentNullException("customBuilder");
            }
            customBuilder.CreateCustomAttribute((ModuleBuilder) (m_methodBuilder .GetModule()), m_pdToken.Token); 
        }
 
        //******************************* 
    	// Make a private constructor so these cannot be constructed externally.
        //******************************* 
        private ParameterBuilder() {}


        internal ParameterBuilder( 
            MethodBuilder   methodBuilder,
            int 		    sequence, 
            ParameterAttributes attributes, 
            String 	        strParamName)			// can be NULL string
        { 
            m_iPosition = sequence;
            m_strParamName = strParamName;
            m_methodBuilder = methodBuilder;
            m_strParamName = strParamName; 
            m_attributes = attributes;
            m_pdToken = new ParameterToken( TypeBuilder.InternalSetParamInfo( 
                        m_methodBuilder.GetModule(), 
                        m_methodBuilder.GetToken().Token,
                        sequence, 
                        attributes,
                        strParamName));
        }
 
        public virtual ParameterToken GetToken()
        { 
            return m_pdToken; 
        }
 
        void _ParameterBuilder.GetTypeInfoCount(out uint pcTInfo)
        {
            throw new NotImplementedException();
        } 

        void _ParameterBuilder.GetTypeInfo(uint iTInfo, uint lcid, IntPtr ppTInfo) 
        { 
            throw new NotImplementedException();
        } 

        void _ParameterBuilder.GetIDsOfNames([In] ref Guid riid, IntPtr rgszNames, uint cNames, uint lcid, IntPtr rgDispId)
        {
            throw new NotImplementedException(); 
        }
 
        void _ParameterBuilder.Invoke(uint dispIdMember, [In] ref Guid riid, uint lcid, short wFlags, IntPtr pDispParams, IntPtr pVarResult, IntPtr pExcepInfo, IntPtr puArgErr) 
        {
            throw new NotImplementedException(); 
        }

        internal virtual int MetadataTokenInternal { get { return m_pdToken.Token; } }
 
    	public virtual String Name {
    		get {return m_strParamName;} 
    	} 

    	public virtual int Position { 
    		get {return m_iPosition;}
    	}
    						
		// < 
    	public virtual int Attributes {
    		get {return (int) m_attributes;} 
    	} 
    						
    	public bool IsIn { 
    		get {return ((m_attributes & ParameterAttributes.In) != 0);}
    	}
    	public bool IsOut {
    		get {return ((m_attributes & ParameterAttributes.Out) != 0);} 
    	}
    	public bool IsOptional { 
    		get {return ((m_attributes & ParameterAttributes.Optional) != 0);} 
    	}
 
        private String              m_strParamName;
        private int                 m_iPosition;
        private ParameterAttributes m_attributes;
        private MethodBuilder       m_methodBuilder; 
        private ParameterToken      m_pdToken;
    } 
}

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