问一下，退格符在vb中有内部定义的字符常量吧，是什么？ 如题，谢谢 解决方案 » 免费领取超大流量手机卡，每月29元包185G流量+100分钟通话, 中国电信官方发货 Keycode Constants The following constants can be used anywhere in your code in place of the actual values:Constant Value Description vbKeyLButton 0x1 Left mouse button vbKeyRButton 0x2 Right mouse button vbKeyCancel 0x3 CANCEL key vbKeyMButton 0x4 Middle mouse button vbKeyBack 0x8 BACKSPACE key vbKeyTab 0x9 TAB key vbKeyClear 0xC CLEAR key vbKeyReturn 0xD ENTER key vbKeyShift 0x10 SHIFT key vbKeyControl 0x11 CTRL key vbKeyMenu 0x12 MENU key vbKeyPause 0x13 PAUSE key vbKeyCapital 0x14 CAPS LOCK key vbKeyEscape 0x1B ESC key vbKeySpace 0x20 SPACEBAR key vbKeyPageUp 0x21 PAGE UP key vbKeyPageDown 0x22 PAGE DOWN key vbKeyEnd 0x23 END key vbKeyHome 0x24 HOME key vbKeyLeft 0x25 LEFT ARROW key vbKeyUp 0x26 UP ARROW key vbKeyRight 0x27 RIGHT ARROW key vbKeyDown 0x28 DOWN ARROW key vbKeySelect 0x29 SELECT key vbKeyPrint 0x2A PRINT SCREEN key vbKeyExecute 0x2B EXECUTE key vbKeySnapshot 0x2C SNAPSHOT key vbKeyInsert 0x2D INSERT key vbKeyDelete 0x2E DELETE key vbKeyHelp 0x2F HELP key vbKeyNumlock 0x90 NUM LOCK key The A key through the Z key are the same as the ASCII equivalents A – Z:Constant Value Description vbKeyA 65 A key vbKeyB 66 B key vbKeyC 67 C key vbKeyD 68 D key vbKeyE 69 E key vbKeyF 70 F key vbKeyG 71 G key vbKeyH 72 H key vbKeyI 73 I key vbKeyJ 74 J key vbKeyK 75 K key vbKeyL 76 L key vbKeyM 77 M key vbKeyN 78 N key vbKeyO 79 O key vbKeyP 80 P key vbKeyQ 81 Q key vbKeyR 82 R key vbKeyS 83 S key vbKeyT 84 T key vbKeyU 85 U key vbKeyV 86 V key vbKeyW 87 W key vbKeyX 88 X key vbKeyY 89 Y key vbKeyZ 90 Z key The 0 key through 9 key are the same as their ASCII equivalents 0 – 9:Constant Value Description vbKey0 48 0 key vbKey1 49 1 key vbKey2 50 2 key vbKey3 51 3 key vbKey4 52 4 key vbKey5 53 5 key vbKey6 54 6 key vbKey7 55 7 key vbKey8 56 8 key vbKey9 57 9 key The following constants represent keys on the numeric keypad:Constant Value Description vbKeyNumpad0 0x60 0 key vbKeyNumpad1 0x61 1 key vbKeyNumpad2 0x62 2 key vbKeyNumpad3 0x63 3 key vbKeyNumpad4 0x64 4 key vbKeyNumpad5 0x65 5 key vbKeyNumpad6 0x66 6 key vbKeyNumpad7 0x67 7 key vbKeyNumpad8 0x68 8 key vbKeyNumpad9 0x69 9 key vbKeyMultiply 0x6A MULTIPLICATION SIGN (*) key vbKeyAdd 0x6B PLUS SIGN (+) key vbKeySeparator 0x6C ENTER key vbKeySubtract 0x6D MINUS SIGN (–) key vbKeyDecimal 0x6E DECIMAL POINT (.) key vbKeyDivide 0x6F DIVISION SIGN (/) key The following constants represent function keys:Constant Value Description vbKeyF1 0x70 F1 key vbKeyF2 0x71 F2 key vbKeyF3 0x72 F3 key vbKeyF4 0x73 F4 key vbKeyF5 0x74 F5 key vbKeyF6 0x75 F6 key vbKeyF7 0x76 F7 key vbKeyF8 0x77 F8 key vbKeyF9 0x78 F9 key vbKeyF10 0x79 F10 key vbKeyF11 0x7A F11 key vbKeyF12 0x7B F12 key vbKeyF13 0x7C F13 key vbKeyF14 0x7D F14 key vbKeyF15 0x7E F15 key vbKeyF16 0x7F F16 key 怎么把数据库的记录的某个置成1 用VB显示ACCESS里的数据用什么控件，代码怎么变啊，谢谢各位大侠 vb 到期提醒功能 如何实现随机抽题？ 打印对话框问题，高手请进 有没有必要在用的DATA控件每个窗体的unload 事件加上Data1.Database.Close？ 数据库格式的显示 不好意思請教大家一個問題 如何把字符串转化为数值？急。。。。。。。。。。。。。。 报表与数据库问题？急需 toolbar问题 一个项目，有一个窗体，只要单击一下，就会发送错误报告。然后退出vb环境。打开别的项目没事。
Keycode Constants The following constants can be used anywhere in your code in place of the actual values:Constant Value Description
vbKeyLButton 0x1 Left mouse button
vbKeyRButton 0x2 Right mouse button
vbKeyCancel 0x3 CANCEL key
vbKeyMButton 0x4 Middle mouse button
vbKeyBack 0x8 BACKSPACE key
vbKeyTab 0x9 TAB key
vbKeyClear 0xC CLEAR key
vbKeyReturn 0xD ENTER key
vbKeyShift 0x10 SHIFT key
vbKeyControl 0x11 CTRL key
vbKeyMenu 0x12 MENU key
vbKeyPause 0x13 PAUSE key
vbKeyCapital 0x14 CAPS LOCK key
vbKeyEscape 0x1B ESC key
vbKeySpace 0x20 SPACEBAR key
vbKeyPageUp 0x21 PAGE UP key
vbKeyPageDown 0x22 PAGE DOWN key
vbKeyEnd 0x23 END key
vbKeyHome 0x24 HOME key
vbKeyLeft 0x25 LEFT ARROW key
vbKeyUp 0x26 UP ARROW key
vbKeyRight 0x27 RIGHT ARROW key
vbKeyDown 0x28 DOWN ARROW key
vbKeySelect 0x29 SELECT key
vbKeyPrint 0x2A PRINT SCREEN key
vbKeyExecute 0x2B EXECUTE key
vbKeySnapshot 0x2C SNAPSHOT key
vbKeyInsert 0x2D INSERT key
vbKeyDelete 0x2E DELETE key
vbKeyHelp 0x2F HELP key
vbKeyNumlock 0x90 NUM LOCK key
The A key through the Z key are the same as the ASCII equivalents A – Z:Constant Value Description
vbKeyA 65 A key
vbKeyB 66 B key
vbKeyC 67 C key
vbKeyD 68 D key
vbKeyE 69 E key
vbKeyF 70 F key
vbKeyG 71 G key
vbKeyH 72 H key
vbKeyI 73 I key
vbKeyJ 74 J key
vbKeyK 75 K key
vbKeyL 76 L key
vbKeyM 77 M key
vbKeyN 78 N key
vbKeyO 79 O key
vbKeyP 80 P key
vbKeyQ 81 Q key
vbKeyR 82 R key
vbKeyS 83 S key
vbKeyT 84 T key
vbKeyU 85 U key
vbKeyV 86 V key
vbKeyW 87 W key
vbKeyX 88 X key
vbKeyY 89 Y key
vbKeyZ 90 Z key
The 0 key through 9 key are the same as their ASCII equivalents 0 – 9:Constant Value Description
vbKey0 48 0 key
vbKey1 49 1 key
vbKey2 50 2 key
vbKey3 51 3 key
vbKey4 52 4 key
vbKey5 53 5 key
vbKey6 54 6 key
vbKey7 55 7 key
vbKey8 56 8 key
vbKey9 57 9 key
The following constants represent keys on the numeric keypad:Constant Value Description
vbKeyNumpad0 0x60 0 key
vbKeyNumpad1 0x61 1 key
vbKeyNumpad2 0x62 2 key
vbKeyNumpad3 0x63 3 key
vbKeyNumpad4 0x64 4 key
vbKeyNumpad5 0x65 5 key
vbKeyNumpad6 0x66 6 key
vbKeyNumpad7 0x67 7 key
vbKeyNumpad8 0x68 8 key
vbKeyNumpad9 0x69 9 key
vbKeyMultiply 0x6A MULTIPLICATION SIGN (*) key
vbKeyAdd 0x6B PLUS SIGN (+) key
vbKeySeparator 0x6C ENTER key
vbKeySubtract 0x6D MINUS SIGN (–) key
vbKeyDecimal 0x6E DECIMAL POINT (.) key
vbKeyDivide 0x6F DIVISION SIGN (/) key
The following constants represent function keys:Constant Value Description
vbKeyF1 0x70 F1 key
vbKeyF2 0x71 F2 key
vbKeyF3 0x72 F3 key
vbKeyF4 0x73 F4 key
vbKeyF5 0x74 F5 key
vbKeyF6 0x75 F6 key
vbKeyF7 0x76 F7 key
vbKeyF8 0x77 F8 key
vbKeyF9 0x78 F9 key
vbKeyF10 0x79 F10 key
vbKeyF11 0x7A F11 key
vbKeyF12 0x7B F12 key
vbKeyF13 0x7C F13 key
vbKeyF14 0x7D F14 key
vbKeyF15 0x7E F15 key
vbKeyF16 0x7F F16 key