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)

public static bool IsLower(
	char c
)

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.


using System;

public class Example
{
   public static void Demo(System.Windows.Controls.TextBlock outputBlock)
   {
      char ch = 'a';

      outputBlock.Text += Char.IsLower(ch).ToString() + "\n";				
      outputBlock.Text += Char.IsLower("upperCase", 5).ToString() + "\n";	
   }
}
// The example produces the following output:
//    True
//    False


Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Windows Phone

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