pinvoke.net: Edit: user32.IsCharLower

@msdn=http://search.microsoft.com/search/results.aspx?qu=$$$
@pinvoke=http://pinvoke.net/$$$.htm

Summary: The IsCharLower API

!!!!C# Signature:
 [DllImport("user32.dll")]
 static extern bool IsCharLower(char ch);

using System;
using System.Windows.Forms;
using System.Runtime.InteropServices;

namespace IsCharLower
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

[DllImport("user32.dll")]
        static extern bool IsCharLower(char ch);

private void button1_Click(object sender, EventArgs e)
        {
            
            try
            {
              
                char ch = Convert.ToChar(textBox1.Text);

if (IsCharLower(ch))
                {
                    label1.Text = " Lowercase characters are entered and Compiler 1 is returned.";
                    label2.Text = " Character Entered Is =   " + ch.ToString();
                }
                else
                {
                   
                    label1.Text = "Entered in uppercase characters or numbers or symbols and compiler 0 is returned.";
                    label2.Text = " Character Entered Is =   " + ch.ToString();
                }

textBox1.Clear();

}

catch
            {
                MessageBox.Show(
                "Please enter a character.",
                " ", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
          }
        }
      }

!!!!User-Defined Types:
None.

!!!!Notes:
None.

!!!!Tips & Tricks:
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!!!!Sample Code:
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!!!!Alternative Managed API:
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Documentation: IsCharLower@msdn on MSDN