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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.ComponentModel;
using System.Diagnostics.CodeAnalysis;
namespace System.Data.Common
{
public abstract class DbParameter : MarshalByRefObject, IDbDataParameter
{
protected DbParameter() : base() { }
[Browsable(false)]
[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
[RefreshProperties(RefreshProperties.All)]
public abstract DbType DbType { get; set; }
[EditorBrowsable(EditorBrowsableState.Advanced)]
public abstract void ResetDbType();
[DefaultValue(ParameterDirection.Input)]
[RefreshProperties(RefreshProperties.All)]
public abstract ParameterDirection Direction { get; set; }
[Browsable(false)]
[DesignOnly(true)]
[EditorBrowsable(EditorBrowsableState.Never)]
public abstract bool IsNullable { get; set; }
[DefaultValue("")]
[AllowNull]
public abstract string ParameterName { get; set; }
byte IDbDataParameter.Precision
{
get { return 0; }
set { }
}
byte IDbDataParameter.Scale
{
get { return 0; }
set { }
}
public virtual byte Precision
{
get { return ((IDbDataParameter)this).Precision; }
set { ((IDbDataParameter)this).Precision = value; }
}
public virtual byte Scale
{
get { return ((IDbDataParameter)this).Scale; }
set { ((IDbDataParameter)this).Scale = value; }
}
public abstract int Size { get; set; }
[DefaultValue("")]
[AllowNull]
public abstract string SourceColumn { get; set; }
[DefaultValue(false)]
[EditorBrowsable(EditorBrowsableState.Advanced)]
[RefreshProperties(RefreshProperties.All)]
public abstract bool SourceColumnNullMapping { get; set; }
[DefaultValue(DataRowVersion.Current)]
public virtual DataRowVersion SourceVersion
{
get { return DataRowVersion.Default; }
set { }
}
[DefaultValue(null)]
[RefreshProperties(RefreshProperties.All)]
public abstract object? Value { get; set; }
}
}
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