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Andy De George
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* add toc/bread changes * add xaml-services * add ported wpf content * add xaml-services info to docfx * Fix links 1 * Fix links 2 * Fix links 3 * Fix links 4 * Fix links 5 * Fix links 6 * Fix links 7 * Fix xaml-services link * Fix snippets 1 * Fix snippets 2 * adjust breadcrumb and toc * remove preserve-view from breadcrumbs * add empty view to toc item xaml * update include * remove contextual toc for vs article :(
56 lines
2.2 KiB
Markdown
56 lines
2.2 KiB
Markdown
---
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title: "XamlName Grammar"
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ms.date: "03/30/2017"
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helpviewer_keywords:
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- "DottedXamlName grammar [XAML Services]"
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- "grammar [XAML Services], DottedXamlName"
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- "grammar [XAML Services], XamlName"
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- "names in XAML [XAML Services]"
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- "XamlName grammar [XAML Services]"
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ms.assetid: 11e4cada-41d2-494d-9531-0d3df4dfcbe3
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---
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# XamlName Grammar
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XamlName Grammar is a specific grammar that is defined in the XAML language specification [MS-XAML], which is reproduced here for convenience.
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## From the XAML Specification
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The [MS-XAML] specification defines the grammar XamlName to identify the set of legal symbolic identifiers used for types and properties.
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String values that are of type XamlName must conform to the following grammar:
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```xaml
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XamlName ::= NameStartChar ( NameChar )*
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NameStartChar ::= LetterCharacter | '_'
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NameChar ::= NameStartChar | DecimalDigit | CombiningCharacter
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LetterCharacter ::= UnicodeLu | UnicodeLl | UnicodeLo | UnicodeLt | UnicodeNl
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DecimalDigit ::= UnicodeNd
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CombiningCharacter ::= UnicodeMn | UnicodeMc
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```
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Which assumes the following general category values as defined in the Unicode Character Database
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| Unicode category | Description |
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|--------------------|-------------------------------|
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| Lu | Letter, Uppercase |
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| Ll | Letter, Lowercase |
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| Lt | Letter, Titlecase |
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| Lm | Letter, Modifier |
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| Lo | Letter, Other |
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| Mn | Mark, Non-Spacing |
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| Mc | Mark, Spacing Combining |
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| Nd | Number, Decimal |
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| Nl | Number, Letter |
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XAML defines a second grammar, DottedXamlName, that is used for property and event qualified references, and also for attached members. For more information, see <xref:System.Windows.DependencyProperty> and [XAML Overview (WPF)](../net/wpf/fundamentals/xaml.md).
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String values that are of type DottedXamlName must conform to the following grammar:
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```xaml
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DottedXamlName ::= XamlName '.' XamlName
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```
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## Remarks
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For the complete specification, see [\[MS-XAML\]](https://docs.microsoft.com/previous-versions/msp-n-p/ff650760(v=pandp.10)).
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