In order to specify tooltip which includes the current value of control, the "{0}" flag should be used. In this case that flag will be replaced by the text in editor.
Note: If TextMode is set to Password, then empty string is used as the default value of ToolTip.
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2