WatermarkTextBox Control

This simple extension adds a TextBox control with watermark support to your Visual Studio 2010 WinForms Toolbox under the Common Controls tab

It's a basic TextBox control extended with a single property, Watermark. A watermark is a placeholder text which is displayed when the textbox isempty and out of focus. 

You can also set the watermark in code at runtime

public MainWindow(){    InitializeComponent();                SetWatermark("Enter a text here...");}private void SetWatermark(string watermark){    watermarkTextBox1.Watermark = watermark;}

public MainWindow() {     InitializeComponent();                  SetWatermark("Enter a text here..."); }  private void SetWatermark(string watermark) {     watermarkTextBox1.Watermark = watermark; }