net9.0-windows10.0.22621
namespace System.ComponentModel.Design
{
    [DefaultMember("Item")]
    public class DataSourceDescriptorCollection : CollectionBase
    {
        public bool Contains(DataSourceDescriptor! value);
    }
}
.NET 9.0
Information specific to net9.0
Platforms This API is only available when you target a specific platform:
Windows 7.08.010.0.1776310.0.1836210.0.1904110.0.2034810.0.2200010.0.22621
Information specific to net9.0-windows10.0.22621
Assembly

System.Windows.Forms.Design , Version=9.0.0.0, PublicKeyToken=b77a5c561934e089

Referencing

Your project needs to set <UseWindowsForms>True</UseWindowsForms>.

Preview The API is contained in a preview framework.
Platform Restrictions

This API is only supported on the following platforms:

  • Windows >= 6.1
  • Built-in API
  • Package-provided API

11/26/2024
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