Explains how protected internal works with the virtual and override keywords in different assemblies.#39192

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Merged
BillWagner merged 4 commits into from
Jan 19, 2024
Merged

Explains how protected internal works with the virtual and override keywords in different assemblies. #39192

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f84aa0f
Update protected-internal.md
PowerfulBacon Jan 18, 2024
2a80756
Updates the sub-header
PowerfulBacon Jan 18, 2024
14da4e7
Makes the comment line length shorter
PowerfulBacon Jan 18, 2024
51bad55
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42 changes: 42 additions & 0 deletions docs/csharp/language-reference/keywords/protected-internal.md
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Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -58,6 +58,48 @@ In the second file, an attempt to access `myValue` through an instance of `BaseC

Struct members cannot be `protected internal` because the struct cannot be inherited.

## Overriding protected internal members

When overriding a virtual member, the accessibility modifier of the overridden method depends on the assembly where the derived class is defined.

When the derived class is defined in the same assembly as the base class, all overridden members have `protected internal` access. If the derived class is defined in a different assembly from the base class, overridden members have `protected` access.

```csharp
// Assembly1.cs
// Compile with: /target:library
public class BaseClass
{
protected internal virtual int GetExampleValue()
{
return 5;
}
}

public class DerivedClassSameAssembly : BaseClass
{
// Override to return a different example value, accessibility modifiers remain the same.
protected internal override int GetExampleValue()
{
return 9;
}
}
```

```csharp
// Assembly2.cs
// Compile with: /reference:Assembly1.dll
class DerivedClassDifferentAssembly : BaseClass
{
// Override to return a different example value, since this override
// method is defined in another assembly, the accessibility modifiers
// are only protected, instead of protected internal.
protected override int GetExampleValue()
{
return 2;
}
}
```

## C# language specification

[!INCLUDE[CSharplangspec](~/includes/csharplangspec-md.md)]
Expand Down
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

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Explains how protected internal works with the virtual and override keywords in different assemblies.#39192

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 Merged

BillWagner
merged 4 commits into

from

Jan 19, 2024
 Merged


Explains how protected internal works with the virtual and override keywords in different assemblies.
#39192
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4 commits


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f84aa0f

Update protected-internal.md


PowerfulBacon Jan 18, 2024
2a80756

Updates the sub-header


PowerfulBacon Jan 18, 2024
14da4e7

Makes the comment line length shorter


PowerfulBacon Jan 18, 2024
51bad55

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BillWagner Jan 19, 2024

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42 changes: 42 additions & 0 deletions
docs/csharp/language-reference/keywords/protected-internal.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -58,6 +58,48 @@ In the second file, an attempt to access `myValue` through an instance of `BaseC

Struct members cannot be `protected internal` because the struct cannot be inherited.

## Overriding protected internal members

When overriding a virtual member, the accessibility modifier of the overridden method depends on the assembly where the derived class is defined.

When the derived class is defined in the same assembly as the base class, all overridden members have `protected internal` access. If the derived class is defined in a different assembly from the base class, overridden members have `protected` access.

```csharp
// Assembly1.cs
// Compile with: /target:library
public class BaseClass
{
 protected internal virtual int GetExampleValue()
 {
 return 5;
 }
}

public class DerivedClassSameAssembly : BaseClass
{
 // Override to return a different example value, accessibility modifiers remain the same.
 protected internal override int GetExampleValue()
 {
 return 9;
 }
}
```

```csharp
// Assembly2.cs
// Compile with: /reference:Assembly1.dll
class DerivedClassDifferentAssembly : BaseClass
{
 // Override to return a different example value, since this override
 // method is defined in another assembly, the accessibility modifiers
 // are only protected, instead of protected internal.
 protected override int GetExampleValue()
 {
 return 2;
 }
}
```

## C# language specification

[!INCLUDE[CSharplangspec](~/includes/csharplangspec-md.md)]
Expand Down

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
Explains how protected internal works with the virtual and override keywords in different assemblies.#39192

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 Merged

BillWagner
merged 4 commits into

from

Jan 19, 2024
 Merged


Explains how protected internal works with the virtual and override keywords in different assemblies.
#39192
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4 commits


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f84aa0f

Update protected-internal.md


PowerfulBacon Jan 18, 2024
2a80756

Updates the sub-header


PowerfulBacon Jan 18, 2024
14da4e7

Makes the comment line length shorter


PowerfulBacon Jan 18, 2024
51bad55

Apply suggestions from code review


BillWagner Jan 19, 2024

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42 changes: 42 additions & 0 deletions
docs/csharp/language-reference/keywords/protected-internal.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -58,6 +58,48 @@ In the second file, an attempt to access `myValue` through an instance of `BaseC

Struct members cannot be `protected internal` because the struct cannot be inherited.

## Overriding protected internal members

When overriding a virtual member, the accessibility modifier of the overridden method depends on the assembly where the derived class is defined.

When the derived class is defined in the same assembly as the base class, all overridden members have `protected internal` access. If the derived class is defined in a different assembly from the base class, overridden members have `protected` access.

```csharp
// Assembly1.cs
// Compile with: /target:library
public class BaseClass
{
 protected internal virtual int GetExampleValue()
 {
 return 5;
 }
}

public class DerivedClassSameAssembly : BaseClass
{
 // Override to return a different example value, accessibility modifiers remain the same.
 protected internal override int GetExampleValue()
 {
 return 9;
 }
}
```

```csharp
// Assembly2.cs
// Compile with: /reference:Assembly1.dll
class DerivedClassDifferentAssembly : BaseClass
{
 // Override to return a different example value, since this override
 // method is defined in another assembly, the accessibility modifiers
 // are only protected, instead of protected internal.
 protected override int GetExampleValue()
 {
 return 2;
 }
}
```

## C# language specification

[!INCLUDE[CSharplangspec](~/includes/csharplangspec-md.md)]
Expand Down

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
Explains how protected internal works with the virtual and override keywords in different assemblies.#39192

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 Merged

BillWagner
merged 4 commits into

from

Jan 19, 2024
 Merged


Explains how protected internal works with the virtual and override keywords in different assemblies.
#39192
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4 commits


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f84aa0f

Update protected-internal.md


PowerfulBacon Jan 18, 2024
2a80756

Updates the sub-header


PowerfulBacon Jan 18, 2024
14da4e7

Makes the comment line length shorter


PowerfulBacon Jan 18, 2024
51bad55

Apply suggestions from code review


BillWagner Jan 19, 2024

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42 changes: 42 additions & 0 deletions
docs/csharp/language-reference/keywords/protected-internal.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -58,6 +58,48 @@ In the second file, an attempt to access `myValue` through an instance of `BaseC

Struct members cannot be `protected internal` because the struct cannot be inherited.

## Overriding protected internal members

When overriding a virtual member, the accessibility modifier of the overridden method depends on the assembly where the derived class is defined.

When the derived class is defined in the same assembly as the base class, all overridden members have `protected internal` access. If the derived class is defined in a different assembly from the base class, overridden members have `protected` access.

```csharp
// Assembly1.cs
// Compile with: /target:library
public class BaseClass
{
 protected internal virtual int GetExampleValue()
 {
 return 5;
 }
}

public class DerivedClassSameAssembly : BaseClass
{
 // Override to return a different example value, accessibility modifiers remain the same.
 protected internal override int GetExampleValue()
 {
 return 9;
 }
}
```

```csharp
// Assembly2.cs
// Compile with: /reference:Assembly1.dll
class DerivedClassDifferentAssembly : BaseClass
{
 // Override to return a different example value, since this override
 // method is defined in another assembly, the accessibility modifiers
 // are only protected, instead of protected internal.
 protected override int GetExampleValue()
 {
 return 2;
 }
}
```

## C# language specification

[!INCLUDE[CSharplangspec](~/includes/csharplangspec-md.md)]
Expand Down

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

Skip to content
Explains how protected internal works with the virtual and override keywords in different assemblies.#39192

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 Merged

BillWagner
merged 4 commits into

from

Jan 19, 2024
 Merged


Explains how protected internal works with the virtual and override keywords in different assemblies.
#39192
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4 commits


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f84aa0f

Update protected-internal.md


PowerfulBacon Jan 18, 2024
2a80756

Updates the sub-header


PowerfulBacon Jan 18, 2024
14da4e7

Makes the comment line length shorter


PowerfulBacon Jan 18, 2024
51bad55

Apply suggestions from code review


BillWagner Jan 19, 2024

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42 changes: 42 additions & 0 deletions
docs/csharp/language-reference/keywords/protected-internal.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -58,6 +58,48 @@ In the second file, an attempt to access `myValue` through an instance of `BaseC

Struct members cannot be `protected internal` because the struct cannot be inherited.

## Overriding protected internal members

When overriding a virtual member, the accessibility modifier of the overridden method depends on the assembly where the derived class is defined.

When the derived class is defined in the same assembly as the base class, all overridden members have `protected internal` access. If the derived class is defined in a different assembly from the base class, overridden members have `protected` access.

```csharp
// Assembly1.cs
// Compile with: /target:library
public class BaseClass
{
 protected internal virtual int GetExampleValue()
 {
 return 5;
 }
}

public class DerivedClassSameAssembly : BaseClass
{
 // Override to return a different example value, accessibility modifiers remain the same.
 protected internal override int GetExampleValue()
 {
 return 9;
 }
}
```

```csharp
// Assembly2.cs
// Compile with: /reference:Assembly1.dll
class DerivedClassDifferentAssembly : BaseClass
{
 // Override to return a different example value, since this override
 // method is defined in another assembly, the accessibility modifiers
 // are only protected, instead of protected internal.
 protected override int GetExampleValue()
 {
 return 2;
 }
}
```

## C# language specification

[!INCLUDE[CSharplangspec](~/includes/csharplangspec-md.md)]
Expand Down

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
Explains how protected internal works with the virtual and override keywords in different assemblies.#39192

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 Merged

BillWagner
merged 4 commits into

from

Jan 19, 2024
 Merged


Explains how protected internal works with the virtual and override keywords in different assemblies.
#39192
 Changes from all commits
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4 commits


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f84aa0f

Update protected-internal.md


PowerfulBacon Jan 18, 2024
2a80756

Updates the sub-header


PowerfulBacon Jan 18, 2024
14da4e7

Makes the comment line length shorter


PowerfulBacon Jan 18, 2024
51bad55

Apply suggestions from code review


BillWagner Jan 19, 2024

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42 changes: 42 additions & 0 deletions
docs/csharp/language-reference/keywords/protected-internal.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -58,6 +58,48 @@ In the second file, an attempt to access `myValue` through an instance of `BaseC

Struct members cannot be `protected internal` because the struct cannot be inherited.

## Overriding protected internal members

When overriding a virtual member, the accessibility modifier of the overridden method depends on the assembly where the derived class is defined.

When the derived class is defined in the same assembly as the base class, all overridden members have `protected internal` access. If the derived class is defined in a different assembly from the base class, overridden members have `protected` access.

```csharp
// Assembly1.cs
// Compile with: /target:library
public class BaseClass
{
 protected internal virtual int GetExampleValue()
 {
 return 5;
 }
}

public class DerivedClassSameAssembly : BaseClass
{
 // Override to return a different example value, accessibility modifiers remain the same.
 protected internal override int GetExampleValue()
 {
 return 9;
 }
}
```

```csharp
// Assembly2.cs
// Compile with: /reference:Assembly1.dll
class DerivedClassDifferentAssembly : BaseClass
{
 // Override to return a different example value, since this override
 // method is defined in another assembly, the accessibility modifiers
 // are only protected, instead of protected internal.
 protected override int GetExampleValue()
 {
 return 2;
 }
}
```

## C# language specification

[!INCLUDE[CSharplangspec](~/includes/csharplangspec-md.md)]
Expand Down

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
Explains how protected internal works with the virtual and override keywords in different assemblies.#39192

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 Merged

BillWagner
merged 4 commits into

from

Jan 19, 2024
 Merged


Explains how protected internal works with the virtual and override keywords in different assemblies.
#39192
 Changes from all commits
Commits

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4 commits


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Hold shift + click to select a range
f84aa0f

Update protected-internal.md


PowerfulBacon Jan 18, 2024
2a80756

Updates the sub-header


PowerfulBacon Jan 18, 2024
14da4e7

Makes the comment line length shorter


PowerfulBacon Jan 18, 2024
51bad55

Apply suggestions from code review


BillWagner Jan 19, 2024

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42 changes: 42 additions & 0 deletions
docs/csharp/language-reference/keywords/protected-internal.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -58,6 +58,48 @@ In the second file, an attempt to access `myValue` through an instance of `BaseC

Struct members cannot be `protected internal` because the struct cannot be inherited.

## Overriding protected internal members

When overriding a virtual member, the accessibility modifier of the overridden method depends on the assembly where the derived class is defined.

When the derived class is defined in the same assembly as the base class, all overridden members have `protected internal` access. If the derived class is defined in a different assembly from the base class, overridden members have `protected` access.

```csharp
// Assembly1.cs
// Compile with: /target:library
public class BaseClass
{
 protected internal virtual int GetExampleValue()
 {
 return 5;
 }
}

public class DerivedClassSameAssembly : BaseClass
{
 // Override to return a different example value, accessibility modifiers remain the same.
 protected internal override int GetExampleValue()
 {
 return 9;
 }
}
```

```csharp
// Assembly2.cs
// Compile with: /reference:Assembly1.dll
class DerivedClassDifferentAssembly : BaseClass
{
 // Override to return a different example value, since this override
 // method is defined in another assembly, the accessibility modifiers
 // are only protected, instead of protected internal.
 protected override int GetExampleValue()
 {
 return 2;
 }
}
```

## C# language specification

[!INCLUDE[CSharplangspec](~/includes/csharplangspec-md.md)]
Expand Down

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

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BillWagner
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Jan 19, 2024
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Explains how protected internal works with the virtual and override keywords in different assemblies.
#39192
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Update protected-internal.md


PowerfulBacon Jan 18, 2024
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Updates the sub-header


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BillWagner Jan 19, 2024

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docs/csharp/language-reference/keywords/protected-internal.md

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Expand Up@@ -58,6 +58,48 @@ In the second file, an attempt to access `myValue` through an instance of `BaseC

Struct members cannot be `protected internal` because the struct cannot be inherited.

## Overriding protected internal members

When overriding a virtual member, the accessibility modifier of the overridden method depends on the assembly where the derived class is defined.

When the derived class is defined in the same assembly as the base class, all overridden members have `protected internal` access. If the derived class is defined in a different assembly from the base class, overridden members have `protected` access.

```csharp
// Assembly1.cs
// Compile with: /target:library
public class BaseClass
{
 protected internal virtual int GetExampleValue()
 {
 return 5;
 }
}

public class DerivedClassSameAssembly : BaseClass
{
 // Override to return a different example value, accessibility modifiers remain the same.
 protected internal override int GetExampleValue()
 {
 return 9;
 }
}
```

```csharp
// Assembly2.cs
// Compile with: /reference:Assembly1.dll
class DerivedClassDifferentAssembly : BaseClass
{
 // Override to return a different example value, since this override
 // method is defined in another assembly, the accessibility modifiers
 // are only protected, instead of protected internal.
 protected override int GetExampleValue()
 {
 return 2;
 }
}
```

## C# language specification

[!INCLUDE[CSharplangspec](~/includes/csharplangspec-md.md)]
Expand Down