Create centered-console-text.md

snippets/csharp/string-utilities/centered-console-text.md

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+---
+title: Centered Console Text
+description: Output console text centered in the window.
+author: BitMap7487
+tags: console, csharp, string-formatting, text-alignment
+---
+
+```csharp
+static void CenteredOutput(object input)
+{
+    if (input is IEnumerable enumerable && !(input is string))
+    {
+        foreach (var message in enumerable)
+        {
+            PrintCentered(message.ToString());
+        }
+    }
+    else
+    {
+        PrintCentered(input.ToString());
+    }
+}
+
+private static void PrintCentered(string str)
+{
+    int centerPosition = Console.WindowWidth / 2 + str.Length / 2;
+    Console.WriteLine(string.Format("{0," + centerPosition + "}", str));
+}
+
+// Usage:
+List<string> messages = new List<string>()
+{
+    "Hello world!",
+    "This is a test"
+};
+
+string[] messageArray = { "Array test 1", "Array test 2" };
+
+CenteredOutput(messages);
+CenteredOutput(messageArray);
+CenteredOutput("Single string test");
+```