.NET控制台的TextWriter能够理解缩进/撤消缩进/ IndentLevel [英] .NET Console TextWriter that Understands Indent/Unindent/IndentLevel
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问题描述
没有任何人有或者知道的TextWriter为了解如何缩进/取消缩进并已设置缩进级别的能力控制台。
Does anybody have or know of a TextWriter for the Console that understand how to indent/unindent and has the ability to set the indent level.
推荐答案
试试这个:
class MyConsole : TextWriter {
TextWriter mOldConsole;
bool mDoIndent;
public MyConsole() {
mOldConsole = Console.Out;
Console.SetOut(this);
}
public int Indent { get; set; }
public override void Write(char ch) {
if (mDoIndent) {
mDoIndent = false;
for (int ix = 0; ix < Indent; ++ix) mOldConsole.Write(" ");
}
mOldConsole.Write(ch);
if (ch == '\n') mDoIndent = true;
}
public override System.Text.Encoding Encoding {
get { return mOldConsole.Encoding; }
}
}
使用范例:
class Program {
static MyConsole Output = new MyConsole();
static void Main(string[] args) {
Console.WriteLine("Hello");
Output.Indent++;
Console.WriteLine("world");
Output.Indent--;
Console.WriteLine("Back");
Console.ReadLine();
}
}
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