The window class name of the masked edit control, "SftMaskControl70". The class is registered when the application calls RegisterApp.
#define SFTMASK_CLASS "SftMaskControl70" /* Control Window Class */
Use TEXT(SFTMASK_CLASS) with CreateWindow(Ex) to create a masked edit control programmatically, or enter SftMaskControl70 as the class name of a custom control in a dialog resource (see Creating a Dialog Resource).
See Also RegisterApp | Using C | Creating a Dialog Resource