public static void AppendFormatLineIfNotNull(this RichTextBox builder, string format, uint arg)
{
if (arg != 0)
{
builder.AppendFormatLine(format, arg);
}
}
public static void AppendFormatLineIfNotNull(this RichTextBox builder, string format, string arg)
{
if (arg != string.Empty)
{
builder.AppendFormatLine(format, new object[] { arg });
}
}
public static void AppendFormatLineIfNotZero(this TextBoxBase textbox, string format, float arg)
{
Contract.Requires(format != null);
if (arg != 0.0f)
textbox.AppendFormatLine(format, arg);
}
public static void AppendFormatLineIfNotNullOrEmpty(this TextBoxBase textbox, string format, string arg)
{
Contract.Requires(format != null);
if (!string.IsNullOrEmpty(arg))
textbox.AppendFormatLine(format, arg);
}
//書式指定文字列を処理して追加 and 末尾に改行追加する。
//書式文字列が空文字列・スペース・Nullならインスタンスをそのまま返す。
//条件に一致しない場合はインスタンスをそのまま返す。
public static StringBuilder IfAppendFormatLine(this StringBuilder source, Func<bool> fnc, string format, params object[] args)
{
if (args.Any(obj => string.IsNullOrWhiteSpace(obj.ToString()))) return source;
if (!fnc()) return source;
return source.AppendFormatLine(format, args);
}
public static void AppendFormatLineIfNotNull(this RichTextBox builder, string format, object arg)
{
if (arg.ToInt32() != 0)
{
builder.AppendFormatLine(format, arg);
}
}
/// <summary>
/// Appends the string returned by processing a composite format string, which
/// contains zero or more format items, followed by the default line terminator to
/// the end of this instance if <paramref name="condition"/> is <see langword="true"/>.
/// Each format item is replaced by the string representation of a corresponding
/// argument in a parameter array using a specified format provider.
/// </summary>
/// <param name="source">The source <see cref="StringBuilder"/> object.</param>
/// <param name="condition"><see langword="true"/> to append <paramref name="format"/>;
/// otherwise, <see langword="false"/>.</param>
/// <param name="provider">An object that supplies culture-specific formatting information.</param>
/// <param name="format">A composite format string.</param>
/// <param name="args">An array of objects to format.</param>
/// <returns>A reference to <paramref name="source"/> with <paramref name="format"/>
/// appended. Each format item in <paramref name="format"/> is replaced by the
/// string representation of the corresponding object argument.</returns>
/// <exception cref="System.ArgumentNullException">
/// <paramref name="format"/> or <paramref name="args"/> is <see langword="null"/>.
/// </exception>
/// <exception cref="System.FormatException">
/// <para><paramref name="format"/> is invalid.</para>
/// <para>-or-</para>
/// <para>The index of a format item is less than 0 (zero), or greater than or
/// equal to the length of the args array.</para>
/// </exception>
/// <exception cref="System.ArgumentOutOfRangeException">
/// The length of the expanded string would exceed
/// <see cref="p:StringBuilder.MaxCapacity"/>.
/// </exception>
public static StringBuilder AppendFormatLineIf(this StringBuilder source, bool condition, IFormatProvider provider, string format, params object[] args)
{
Contracts.Requires.NotNull(source, "source");
if (condition)
{
source.AppendFormatLine(provider, format, args);
}
return source;
}
/// <overoads>
/// <summary>
/// Appends the string returned by processing a composite format string, which
/// contains zero or more format items, followed by the default line terminator to
/// the end of this instance.
/// </summary>
/// </overoads>
/// <summary>
/// Appends the string returned by processing a composite format string, which
/// contains zero or more format items, followed by the default line terminator to
/// the end of this instance.
/// </summary>
/// <param name="source">The source <see cref="StringBuilder"/> instance.</param>
/// <param name="format">A composite format string.</param>
/// <param name="args">An array of objects to format.</param>
/// <returns>A reference to <paramref name="source"/> with <paramref name="format"/>
/// appended. Each format item in <paramref name="format"/> is replaced by the
/// string representation of the corresponding object argument.</returns>
/// <exception cref="System.ArgumentNullException">
/// <paramref name="format"/> or <paramref name="args"/> is <see langword="null"/>.
/// </exception>
/// <exception cref="System.FormatException">
/// <para><paramref name="format"/> is invalid.</para>
/// <para>-or-</para>
/// <para>The index of a format item is less than 0 (zero), or greater than or
/// equal to the length of the args array.</para>
/// </exception>
/// <exception cref="System.ArgumentOutOfRangeException">
/// The length of the expanded string would exceed
/// <see cref="p:StringBuilder.MaxCapacity"/>.
/// </exception>
public static StringBuilder AppendFormatLine(this StringBuilder source, string format, params object[] args)
{
return source.AppendFormatLine(CultureInfo.CurrentCulture, format, args);
}
public static void AppendFormatLineIfNotNull(this RichTextBox builder, string format, string arg)
{
Contract.Requires(format != null);
if (arg != String.Empty)
builder.AppendFormatLine(format, arg);
}
