Delphi WinAPI WaitForPrinterChange
函数原型：
//C++
DWORD WaitForPrinterChange(
HANDLE hPrinter,
DWORD Flags
);
Flags参数：
- PRINTER_CHANGE_ADD_PRINTER
- PRINTER_CHANGE_SET_PRINTER
- PRINTER_CHANGE_DELETE_PRINTER
- PRINTER_CHANGE_FAILED_CONNECTION_PRINTER
- PRINTER_CHANGE_PRINTER
- PRINTER_CHANGE_ADD_JOB
- PRINTER_CHANGE_SET_JOB
- PRINTER_CHANGE_DELETE_JOB
- PRINTER_CHANGE_WRITE_JOB
- PRINTER_CHANGE_JOB
- PRINTER_CHANGE_ADD_FORM
- PRINTER_CHANGE_SET_FORM
- PRINTER_CHANGE_DELETE_FORM
- PRINTER_CHANGE_FORM
- PRINTER_CHANGE_ADD_PORT
- PRINTER_CHANGE_CONFIGURE_PORT
- PRINTER_CHANGE_DELETE_PORT
- PRINTER_CHANGE_PORT
- PRINTER_CHANGE_ADD_PRINT_PROCESSOR
- PRINTER_CHANGE_DELETE_PRINT_PROCESSOR
- PRINTER_CHANGE_PRINT_PROCESSOR
- PRINTER_CHANGE_ADD_PRINTER_DRIVER
- PRINTER_CHANGE_SET_PRINTER_DRIVER
- PRINTER_CHANGE_DELETE_PRINTER_DRIVER
- PRINTER_CHANGE_PRINTER_DRIVER
- PRINTER_CHANGE_TIMEOUT
- PRINTER_CHANGE_ALL
返回值：none
以后再补充
创建时间：2020.05.04 更新时间：
Delphi WinAPI WaitForPrinterChange
原文：https://www.cnblogs.com/guorongtao/p/12825789.html
