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dotnet-api
- C1.Win.8 Assembly
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C1.Win.Input.8 Assembly
- C1.Framework
- C1.Framework.Drawing.Gdi
- C1.Framework.Drawing.Gdi.DeviceContexts
- C1.Framework.Forms
- C1.Framework.Mathematics
- C1.Framework.Text.Lexicons
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C1.Win.Input
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Classes
- ButtonSettings
- ButtonSettingsBase
- ButtonsSettings
- C1Button
- C1CheckBox
- C1ComboBox
- C1DropDownControl
- C1Label
- C1MaskedTextBox
- C1NumericEdit
- C1PictureBox
- C1RadioButton
- C1RangeSlider
- C1SplitButton
- C1TextBox
- C1ToggleSwitch
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CharHelper
- Fields
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Methods
- FromAnsi
- GetCharType
- HasLowerKana
- IsAlphaOrDigit
- IsAlphabet
- IsBigKana
- IsCharOfType
- IsControl
- IsDigit
- IsDigitOrSymbol
- IsFullWidth
- IsHiragana
- IsKatakana
- IsLower
- IsLowerKana
- IsMathSymbol
- IsMultiWidth
- IsOther
- IsPunctuation
- IsSymbol
- IsUpper
- IsUpperKana
- ToAnsi
- ToFullWidth
- ToHalfWidth
- ToHalfWidthEx
- ToHiragana
- ToJIS
- ToKatakana
- ToLowerKana
- ToSJIS
- ToUpperKana
- ComboBoxItem
- ComboBoxItemCollection
- DataSourceException
- DropDownForm
- ItemClickedEventArgs
- ItemTooltipShowingEventArgs
- ParseEventArgs
- PostValidationEventArgs
- PreValidationEventArgs
- SplitButtonItem
- TooltipShowingEventArgs
- UpDownButtonClickEventArgs
- UpDownButtonSettings
- ValidationErrorEventArgs
- ValidationException
- Enums
- Interfaces
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Classes
- C1.Win.Input.Base
- C1.Win.Input.Base.Editors
- C1.Win.Input.Base.Views
- C1.Win.Input.Formating
- C1.Win.Input.GrapeCity.Editors
- C1.Win.Input.GrapeCity.Editors.Fields
- C1.Win.Input.GrapeCity.Framework.Input
- C1.Win.Input.Localization
- C1.Win.Input.Styles
- C1.Win.Input.Utils
- C1.Win.Input.Validation
- C1.Win.Input.DbNavigator.8 Assembly
- C1.Win.Input.Pickers.8 Assembly
C1.Win.Input.CharHelper.IsAlphabet
IsAlphabet Method
IsAlphabet(char)
Indicates whether the specified Unicode character is categorized as a alphabet letter.
Declaration
public static bool IsAlphabet(char c)Parameters
| Type | Name | Description |
|---|---|---|
| char | c | A Unicode character. |
Returns
| Type | Description |
|---|---|
| bool | true if c is a alphabet letter; otherwise, false. |
IsAlphabet(string, int)
Indicates whether the character at the specified position in the specified string is a alphabet letter.
Declaration
public static bool IsAlphabet(string s, int index)Parameters
| Type | Name | Description |
|---|---|---|
| string | s | A string. |
| int | index | The character position in s. |
Returns
| Type | Description |
|---|---|
| bool | true if the character at position index in s is a alphabet letter; otherwise, false. |