31 lines
1 KiB
C#
31 lines
1 KiB
C#
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using System;
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using System.Windows.Forms;
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namespace ExtensionMethods
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{
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/// <summary>
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/// <para>Add extensions to <c><see cref="TextBox"/></c></para>
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/// </summary>
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public static class TextBoxExtensions
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{
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/// <summary>
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/// <para>Indicates whether the content of the specified <see cref="TextBox"/> is null or an <see cref="String.Empty"/> string</para>
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/// </summary>
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/// <param name="txt"></param>
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/// <returns><see cref="bool"/>. True: TextBox is empty. False: TextBox is not empty</returns>
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public static bool IsEmpty(this TextBox txt)
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{
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return String.IsNullOrEmpty(txt.Text);
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}
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/// <summary>
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/// <para>Indicates whether the content of the specified <see cref="TextBox"/> is not null and not an <see cref="String.Empty"/> string</para>
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/// </summary>
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/// <param name="txt"></param>
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/// <returns><see cref="bool"/>. True: TextBox is not empty. False: TextBox is empty</returns>
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public static bool IsNotEmpty(this TextBox txt)
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{
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return !String.IsNullOrEmpty(txt.Text);
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}
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}
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}
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