IsLower Method (Char)
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Char.IsLower Method (Char)

[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

Indicates whether the specified Unicode character is categorized as a lowercase letter.

Namespace:  System
Assembly:  mscorlib (in mscorlib.dll)

'Declaration
Public Shared Function IsLower ( _
	c As Char _
) As Boolean

Parameters

c
Type: System.Char
A Unicode character.

Return Value

Type: System.Boolean
true if c is a lowercase letter; otherwise, false.

Valid lowercase letters are members of the following category in UnicodeCategory: LowercaseLetter.

The following example demonstrates IsLower.



Module Example

   Public Sub Demo(ByVal outputBlock As System.Windows.Controls.TextBlock)

      Dim ch As Char
      ch = "a"c

      outputBlock.Text &= Char.IsLower(ch) & vbCrLf                 ' Output: "True"
      outputBlock.Text += String.Format(Char.IsLower("upperCase", 5)) & vbCrLf     ' Output: "False"

   End Sub

End Module


Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Windows Phone

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