MasteringVFP/2/8
出自VFP Wiki
（修訂版本間差異）
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在2006年2月1日 (三) 13:24的最新修訂版本
sys() 函數
這是一個雜項函數,多半與系統調校有關係. 功能相當可觀.
| 傳入參數 | 會回傳的訊息 |
|---|---|
| SYS(0) | Network machine information |
| SYS(1) | Julian system date |
| SYS(2) | Seconds since midnight |
| SYS(3) | 合法的檔名,多半用來產生不重複的檔名 |
| SYS(5) | Default drive or volume |
| SYS(6) | 目前印表裝置 |
| SYS(7) | Current format file |
| SYS(9) | Visual FoxPro 的序號 |
| SYS(10) | String from Julian day number |
| SYS(11) | Julian day number |
| SYS(12) | Available memory in bytes |
| SYS(13) | 印表機狀態 |
| SYS(14) | Index expression |
| SYS(15) | Character translation |
| SYS(16) | Executing program file name |
| SYS(17) | Processor in use |
| SYS(18) | Current control |
| SYS(20) | Transform German text |
| SYS(21) | Controlling index number |
| SYS(22) | Controlling tag or index name |
| SYS(23) | FoxPro EMS memory usage |
| SYS(24) | EMS memory limit |
| SYS(100) | Console setting. Included for backward compatibility. Use SET("CONSOLE") instead. |
| SYS(101) | Device setting. Included for backward compatibility. Use SET("DEVICE") instead. |
| SYS(102) | Printer setting. Included for backward compatibility. Use SET("PRINTER") instead. |
| SYS(103) | Talk setting. Included for backward compatibility. Use SET("TALK") instead. |
| SYS(602) | Bitmap Configuration |
| SYS(1001) | Visual FoxPro memory |
| SYS(1011) | Number of Memory Handles |
| SYS(1016) | User object memory use |
| SYS(1023) | Enable Help diagnostic mode. |
| SYS(1024) | Disable Help diagnostic mode |
| SYS(1037) | Page Setup Dialog Box |
| SYS(1104) | Purge Cached Memory |
| SYS(1269) | Property Information |
| SYS(1270) | Object Location |
| SYS(1271) | Object's .SCX File |
| SYS(1272) | Object Hierarchy |
| SYS(1500) | Activate a menu item |
| SYS(2000) | File name wildcard match |
| SYS(2001) | SET command status |
| SYS(2002) | Turn insertion point on or off |
| SYS(2003) | Current directory |
| SYS(2004) | Visual FoxPro start directory |
| SYS(2005) | Current resource file |
| SYS(2006) | Current graphics card |
| SYS(2007) | Checksum value |
| SYS(2010) | CONFIG.SYS file settings |
| SYS(2011) | Current lock status |
| SYS(2012) | Memo field block size |
| SYS(2013) | System menu name string |
| SYS(2014) | Minimum path |
| SYS(2015) | Unique procedure name |
| SYS(2016) | SHOW GETS WINDOW name |
| SYS(2017) | Checksum value based on the current record in the current work area |
| SYS(2018) | Error message parameter |
| SYS(2019) | Configuration file name and location |
| SYS(2020) | Default disk size |
| SYS(2021) | Filtered index expression |
| SYS(2022) | Disk cluster (block) size |
| SYS(2023) | Temporary Path |
| SYS(2029) | Table type |
| SYS(2030) | Debug |
| SYS(2040) | Detect Report Status |
| SYS(2060) | Mouse wheel event handling setting |
| SYS(2300) | Add or Remove Code Page |
| SYS(2333) | ActiveX Dual Interface Support |
| SYS(2334) | Automation Server Invocation Mode |
| SYS(2335) | Unattended Server Mode |
| SYS(2336) | Critical Section Support |
| SYS(2339) | Call CoFreeUnusedLibraries when COM object is released |
| SYS(2340) | NT Service Support |
| SYS(2410) | Error handler type for an error |
| SYS(2450) | Application Search Path Order |
| SYS(2600) | Return Pointer As String |
| SYS(2700) | Enables Windows XP Themes |
| SYS(2800) | Accessibility Support |
| SYS(2801) | Event Tracking Support |
| SYS(3004) | Return Locale ID |
| SYS(3005) | Set Locale ID |
| SYS(3006) | Set Language and Locale IDs |
| SYS(3050) | Set Buffer Memory Size |
| SYS(3051) | Set Lock Retry Interval |
| SYS(3052) | Override SET REPROCESS Locking |
| SYS(3053) | ODBC Environment Handle |
| SYS(3054) | Rushmore Query Optimization Level |
| SYS(3055) | FOR and WHERE Clause Complexity |
| SYS(3056) | Read Registry Settings |
| SYS(3095) | IDispatch Pointer |
| SYS(3096) | IDispatch Object Reference |
| SYS(3097) | Add Reference to Object |
| SYS(3098) | Release Object Reference |
| SYS(3099) | SQL Data Engine Compatibility Mode |
