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Upgrade projects to target .NET 10 (System.ComponentModel) #12788

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d230fea
Upgrade projects to target .NET 10
gewarren Jun 24, 2026
3397fb7
fix compile errors
gewarren Jun 25, 2026
f890329
fix compile errors
gewarren Jun 25, 2026
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2 changes: 1 addition & 1 deletion ...harp/System.ComponentModel.Design.Serialization/CodeDomSerializer/Overview/Project.csproj
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<PropertyGroup>
<OutputType>Library</OutputType>
<TargetFramework>net6.0-windows</TargetFramework>
<TargetFramework>net10.0-windows</TargetFramework>
<UseWindowsForms>true</UseWindowsForms>
</PropertyGroup>

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61 changes: 28 additions & 33 deletions ...el.Design.Serialization/CodeDomSerializer/Overview/idesignerserializationmanagersample.cs
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using System;
using System.CodeDom;
using System.ComponentModel;
using System.ComponentModel.Design;
using System.ComponentModel.Design.Serialization;
using System.Drawing;
using System.Windows.Forms;


namespace CodeDomSerializerSample
{
internal class MyCodeDomSerializer : CodeDomSerializer {
public override object Deserialize(IDesignerSerializationManager manager, object codeObject) {
// This is how we associate the component with the serializer.
CodeDomSerializer baseClassSerializer = (CodeDomSerializer)manager.
GetSerializer(typeof(MyComponent).BaseType, typeof(CodeDomSerializer));
internal class MyCodeDomSerializer : CodeDomSerializer
{
public override object Deserialize(IDesignerSerializationManager manager, object codeObject)
{
// Associate the component with the serializer.
CodeDomSerializer baseClassSerializer = (CodeDomSerializer)manager.
GetSerializer(typeof(MyComponent).BaseType, typeof(CodeDomSerializer));

/* This is the simplest case, in which the class just calls the base class
to do the work. */
return baseClassSerializer.Deserialize(manager, codeObject);
}

public override object Serialize(IDesignerSerializationManager manager, object value) {

public override object Serialize(IDesignerSerializationManager manager, object value)
{
/* Associate the component with the serializer in the same manner as with
Deserialize */
CodeDomSerializer baseClassSerializer = (CodeDomSerializer)manager.
GetSerializer(typeof(MyComponent).BaseType, typeof(CodeDomSerializer));

object codeObject = baseClassSerializer.Serialize(manager, value);
/* Anything could be in the codeObject. This sample operates on a

/* Anything could be in the codeObject. This sample operates on a
CodeStatementCollection. */
if (codeObject is CodeStatementCollection) {
CodeStatementCollection statements = (CodeStatementCollection)codeObject;

if (codeObject is CodeStatementCollection statements)
{
// The code statement collection is valid, so add a comment.
string commentText = "This comment was added to this object by a custom serializer.";
CodeCommentStatement comment = new CodeCommentStatement(commentText);
CodeCommentStatement comment = new(commentText);
statements.Insert(0, comment);
}
return codeObject;
}
}
//<Snippet2>

//<Snippet2>
[DesignerSerializer(typeof(MyCodeDomSerializer), typeof(CodeDomSerializer))]
public class MyComponent : Component {
private string localProperty = "Component Property Value";
public string LocalProperty {
get {
return localProperty;
}
set {
localProperty = value;
}
}
public class MyComponent : Component
{
[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
public string LocalProperty { get; set; } = "Component Property Value";
}
//</Snippet2>
//</Snippet2>
}
//</snippet1>

namespace CodeDomSerializerSample
{
class CodeDomSerializerStart {
class CodeDomSerializerStart
{
[STAThread]
static void Main() {
static void Main()
{
}
}
}
2 changes: 1 addition & 1 deletion ...em.ComponentModel.Design.Serialization/CodeDomSerializerException/Overview/Project.csproj
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<PropertyGroup>
<OutputType>Library</OutputType>
<TargetFramework>net6.0-windows</TargetFramework>
<TargetFramework>net10.0-windows</TargetFramework>
<UseWindowsForms>true</UseWindowsForms>
</PropertyGroup>

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2 changes: 1 addition & 1 deletion ...ts/csharp/System.ComponentModel.Design.Serialization/ContextStack/Overview/Project.csproj
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<PropertyGroup>
<OutputType>Library</OutputType>
<TargetFramework>net6.0-windows</TargetFramework>
<TargetFramework>net10.0-windows</TargetFramework>
<UseWindowsForms>true</UseWindowsForms>
</PropertyGroup>

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2 changes: 1 addition & 1 deletion ...m.ComponentModel.Design.Serialization/DesignerSerializerAttribute/Overview/Project.csproj
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<PropertyGroup>
<OutputType>Library</OutputType>
<TargetFramework>net6.0-windows</TargetFramework>
<TargetFramework>net10.0-windows</TargetFramework>
<UseWindowsForms>true</UseWindowsForms>
</PropertyGroup>

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2 changes: 1 addition & 1 deletion ...p/System.ComponentModel.Design.Serialization/INameCreationService/Overview/Project.csproj
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<PropertyGroup>
<OutputType>Library</OutputType>
<TargetFramework>net6.0</TargetFramework>
<TargetFramework>net10.0</TargetFramework>
</PropertyGroup>

</Project>
2 changes: 1 addition & 1 deletion ...p/System.ComponentModel.Design.Serialization/ResolveNameEventArgs/Overview/Project.csproj
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<PropertyGroup>
<OutputType>Library</OutputType>
<TargetFramework>net6.0-windows</TargetFramework>
<TargetFramework>net10.0-windows</TargetFramework>
<UseWindowsForms>true</UseWindowsForms>
</PropertyGroup>

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2 changes: 1 addition & 1 deletion ...ystem.ComponentModel.Design.Serialization/ResolveNameEventHandler/Overview/Project.csproj
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<PropertyGroup>
<OutputType>Library</OutputType>
<TargetFramework>net6.0-windows</TargetFramework>
<TargetFramework>net10.0-windows</TargetFramework>
<UseWindowsForms>true</UseWindowsForms>
</PropertyGroup>

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2 changes: 1 addition & 1 deletion snippets/csharp/System.ComponentModel.Design/ActiveDesignerEventArgs/Overview/Project.csproj
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<PropertyGroup>
<OutputType>Library</OutputType>
<TargetFramework>net6.0</TargetFramework>
<TargetFramework>net10.0</TargetFramework>
</PropertyGroup>

</Project>
2 changes: 1 addition & 1 deletion ...ts/csharp/System.ComponentModel.Design/ActiveDesignerEventHandler/Overview/Project.csproj
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<PropertyGroup>
<OutputType>Library</OutputType>
<TargetFramework>net6.0</TargetFramework>
<TargetFramework>net10.0</TargetFramework>
</PropertyGroup>

</Project>
2 changes: 1 addition & 1 deletion snippets/csharp/System.ComponentModel.Design/ArrayEditor/Overview/Project.csproj
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<PropertyGroup>
<OutputType>Library</OutputType>
<TargetFramework>net6.0-windows</TargetFramework>
<TargetFramework>net10.0-windows</TargetFramework>
<UseWindowsForms>true</UseWindowsForms>
</PropertyGroup>

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1 change: 1 addition & 0 deletions snippets/csharp/System.ComponentModel.Design/ArrayEditor/Overview/class1.cs
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Expand Up @@ -9,6 +9,7 @@ public class ArrayEditorTestComponent : Component
{
//<Snippet1>
[EditorAttribute(typeof(System.ComponentModel.Design.ArrayEditor), typeof(System.Drawing.Design.UITypeEditor))]
[DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
public object[] componentArray
{
get
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2 changes: 1 addition & 1 deletion snippets/csharp/System.ComponentModel.Design/ByteViewer/Overview/Project.csproj
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<PropertyGroup>
<OutputType>Library</OutputType>
<TargetFramework>net6.0-windows</TargetFramework>
<TargetFramework>net10.0-windows</TargetFramework>
<UseWindowsForms>true</UseWindowsForms>
</PropertyGroup>

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2 changes: 1 addition & 1 deletion snippets/csharp/System.ComponentModel.Design/CheckoutException/Overview/Project.csproj
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<PropertyGroup>
<OutputType>Library</OutputType>
<TargetFramework>net6.0</TargetFramework>
<TargetFramework>net10.0</TargetFramework>
</PropertyGroup>

</Project>
2 changes: 1 addition & 1 deletion ...ets/csharp/System.ComponentModel.Design/ComponentChangedEventArgs/Overview/Project.csproj
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<PropertyGroup>
<OutputType>Library</OutputType>
<TargetFramework>net6.0</TargetFramework>
<TargetFramework>net10.0</TargetFramework>
</PropertyGroup>

</Project>
2 changes: 1 addition & 1 deletion .../csharp/System.ComponentModel.Design/ComponentChangedEventHandler/Overview/Project.csproj
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<PropertyGroup>
<OutputType>Library</OutputType>
<TargetFramework>net6.0</TargetFramework>
<TargetFramework>net10.0</TargetFramework>
</PropertyGroup>

</Project>
2 changes: 1 addition & 1 deletion ...ts/csharp/System.ComponentModel.Design/ComponentChangingEventArgs/Overview/Project.csproj
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<PropertyGroup>
<OutputType>Library</OutputType>
<TargetFramework>net6.0</TargetFramework>
<TargetFramework>net10.0</TargetFramework>
</PropertyGroup>

</Project>
2 changes: 1 addition & 1 deletion ...csharp/System.ComponentModel.Design/ComponentChangingEventHandler/Overview/Project.csproj
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<PropertyGroup>
<OutputType>Library</OutputType>
<TargetFramework>net6.0</TargetFramework>
<TargetFramework>net10.0</TargetFramework>
</PropertyGroup>

</Project>
2 changes: 1 addition & 1 deletion snippets/csharp/System.ComponentModel.Design/ComponentDesigner/Overview/Project.csproj
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<PropertyGroup>
<OutputType>Library</OutputType>
<TargetFramework>net6.0-windows</TargetFramework>
<TargetFramework>net10.0-windows</TargetFramework>
<UseWindowsForms>true</UseWindowsForms>
</PropertyGroup>

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2 changes: 1 addition & 1 deletion snippets/csharp/System.ComponentModel.Design/ComponentEventArgs/Overview/Project.csproj
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<PropertyGroup>
<OutputType>Library</OutputType>
<TargetFramework>net6.0</TargetFramework>
<TargetFramework>net10.0</TargetFramework>
</PropertyGroup>

</Project>
2 changes: 1 addition & 1 deletion snippets/csharp/System.ComponentModel.Design/ComponentEventHandler/Overview/Project.csproj
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<PropertyGroup>
<OutputType>Library</OutputType>
<TargetFramework>net6.0</TargetFramework>
<TargetFramework>net10.0</TargetFramework>
</PropertyGroup>

</Project>
2 changes: 1 addition & 1 deletion ...pets/csharp/System.ComponentModel.Design/ComponentRenameEventArgs/Overview/Project.csproj
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<PropertyGroup>
<OutputType>Library</OutputType>
<TargetFramework>net6.0</TargetFramework>
<TargetFramework>net10.0</TargetFramework>
</PropertyGroup>

</Project>
2 changes: 1 addition & 1 deletion ...s/csharp/System.ComponentModel.Design/ComponentRenameEventHandler/Overview/Project.csproj
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<PropertyGroup>
<OutputType>Library</OutputType>
<TargetFramework>net6.0</TargetFramework>
<TargetFramework>net10.0</TargetFramework>
</PropertyGroup>

</Project>
2 changes: 1 addition & 1 deletion ...pets/csharp/System.ComponentModel.Design/DesignerActionHeaderItem/Overview/Project.csproj
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<PropertyGroup>
<OutputType>Library</OutputType>
<TargetFramework>net6.0-windows</TargetFramework>
<TargetFramework>net10.0-windows</TargetFramework>
<UseWindowsForms>true</UseWindowsForms>
</PropertyGroup>

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1 change: 1 addition & 0 deletions .../csharp/System.ComponentModel.Design/DesignerActionHeaderItem/Overview/designeractions.cs
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Expand Up @@ -68,6 +68,7 @@ public class ColorLabel : System.Windows.Forms.Label
{
private bool colorLockedValue = false;

[DesignerSerializationVisibility(DesignerSerializationVisibility.Visible)]
public bool ColorLocked
{
get
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2 changes: 1 addition & 1 deletion snippets/csharp/System.ComponentModel.Design/DesignerCollection/Overview/Project.csproj
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<PropertyGroup>
<OutputType>Library</OutputType>
<TargetFramework>net6.0-windows</TargetFramework>
<TargetFramework>net10.0-windows</TargetFramework>
<UseWindowsForms>true</UseWindowsForms>
</PropertyGroup>

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2 changes: 1 addition & 1 deletion snippets/csharp/System.ComponentModel.Design/DesignerEventArgs/Overview/Project.csproj
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<PropertyGroup>
<OutputType>Library</OutputType>
<TargetFramework>net6.0</TargetFramework>
<TargetFramework>net10.0</TargetFramework>
</PropertyGroup>

</Project>
2 changes: 1 addition & 1 deletion snippets/csharp/System.ComponentModel.Design/DesignerEventHandler/Overview/Project.csproj
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<PropertyGroup>
<OutputType>Library</OutputType>
<TargetFramework>net6.0</TargetFramework>
<TargetFramework>net10.0</TargetFramework>
</PropertyGroup>

</Project>
2 changes: 1 addition & 1 deletion snippets/csharp/System.ComponentModel.Design/DesignerOptionService/Overview/Project.csproj
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<PropertyGroup>
<OutputType>Library</OutputType>
<TargetFramework>net6.0-windows</TargetFramework>
<TargetFramework>net10.0-windows</TargetFramework>
<UseWindowsForms>true</UseWindowsForms>
</PropertyGroup>

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2 changes: 1 addition & 1 deletion snippets/csharp/System.ComponentModel.Design/DesignerTransaction/Overview/Project.csproj
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<PropertyGroup>
<OutputType>Library</OutputType>
<TargetFramework>net6.0-windows</TargetFramework>
<TargetFramework>net10.0-windows</TargetFramework>
<UseWindowsForms>true</UseWindowsForms>
</PropertyGroup>

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2 changes: 2 additions & 0 deletions snippets/csharp/System.ComponentModel.Design/DesignerTransaction/Overview/source.cs
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Expand Up @@ -45,6 +45,7 @@ public class DTComponent : System.ComponentModel.Component
private string m_String;
private int m_Count;

[DesignerSerializationVisibility(DesignerSerializationVisibility.Visible)]
public string StringProperty
{
get
Expand All @@ -53,6 +54,7 @@ public string StringProperty
{ m_String = value; }
}

[DesignerSerializationVisibility(DesignerSerializationVisibility.Visible)]
public int CountProperty
{
get
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2 changes: 1 addition & 1 deletion ...rp/System.ComponentModel.Design/DesignerTransactionCloseEventArgs/Overview/Project.csproj
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<PropertyGroup>
<OutputType>Library</OutputType>
<TargetFramework>net6.0</TargetFramework>
<TargetFramework>net10.0</TargetFramework>
</PropertyGroup>

</Project>
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