在 C# 2.0 中使用 Console.Write 在同一位置写入字符串
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Writing string at the same position using Console.Write in C# 2.0
提问by pradeeptp
I have a console application project in C# 2.0 that needs to write something to the screen in a while loop. I do not want the screen to scroll because using Console.Write or Console.Writeline method will keep displaying text on console screen incremently and thus it starts scrolling.
我在 C# 2.0 中有一个控制台应用程序项目，需要在 while 循环中向屏幕写入一些内容。我不希望屏幕滚动，因为使用 Console.Write 或 Console.Writeline 方法将继续在控制台屏幕上递增显示文本，因此它开始滚动。
I want to have the string written at the same position. How can i do this?
我想让字符串写在相同的位置。我怎样才能做到这一点？
Thanks
谢谢
采纳答案by Jon Skeet
Use Console.SetCursorPositionto set the position. If you need to determine it first, use the Console.CursorLeftand Console.CursorTopproperties.
使用Console.SetCursorPosition设置位置。如果您需要先确定它，请使用Console.CursorLeft和Console.CursorTop属性。
回答by fishjd
Function to write the progress of a loop. Your loop counter can be uses as the x position parameter. This prints on line 1, modify for your needs.
写入循环进度的函数。您的循环计数器可以用作 x 位置参数。这打印在第 1 行，根据您的需要进行修改。
/// <summary>
/// Writes a string at the x position, y position = 1;
/// Tries to catch all exceptions, will not throw any exceptions.
/// </summary>
/// <param name="s">String to print usually "*" or "@"</param>
/// <param name="x">The x postion, This is modulo divided by the window.width,
/// which allows large numbers, ie feel free to call with large loop counters</param>
protected static void WriteProgress(string s, int x) {
int origRow = Console.CursorTop;
int origCol = Console.CursorLeft;
// Console.WindowWidth = 10; // this works.
int width = Console.WindowWidth;
x = x % width;
try {
Console.SetCursorPosition(x, 1);
Console.Write(s);
} catch (ArgumentOutOfRangeException e) {
} finally {
try {
Console.SetCursorPosition(origRow, origCol);
} catch (ArgumentOutOfRangeException e) {
}
}
}
