Delphi WinAPI keybd_event - 合成按键 之 模拟键盘按键 1、功能描述: 合成按键。系统可以使用这种合成的击键来生成WM_KEYUP 或 WM_KEYDOWN消息。 键盘驱动程序的中断处理程序调用keybd_event事件函数。 注意:此功能已被取代。改用SendInput
VK_F21 F21 key VK_F22 F22 key VK_F23 F23 key VK_F24 F24 key VK_NUMLOCK Num Lock key VK_SCROLL Scroll Lock key VK_LSHIFT Left Shift key (only used with GetAsyncKeyState and GetKeyState) VK_RSHIFT Right Shift key(only used with GetAsyncKeyState and GetKeyState) VK_LCONTROL Left Ctrl k...
paramH := MapVirtualKey(vKey, 0); // scan code in ParamH time := GetTickCount; // set time hwnd := 0; // ignored end; MessageList.Add(E); end; procedure KeyDown(vKey: byte); { Generates KeyDownMessage } begin { don't generate a "sys" key if the control key is pressed } ...
WM_KEYDOWN = $0100; //按下一个键 WM_KEYUP = $0101; //释放一个键 WM_CHAR = $0102; //按下某键,并已发出WM_KEYDOWN, WM_KEYUP消息 WM_DEADCHAR = $0103; 当用translatemessage函数翻译WM_KEYUP消息时发送此消息给拥有焦点的窗口 WM_SYSKEYDOWN = $0104; 当用户按住ALT键同时按下其它键...
/// Simulate a key press. |key_code| is the VKEY_* value from Chromium's /// ui/events/keycodes/keyboard_codes.h header (VK_* values on Windows). /// |event_flags| is some combination of EVENTFLAG_SHIFT_DOWN, /// EVENTFLAG_CONTROL_DOWN and/or EVENTFLAG_ALT_DOWN....
11、Virtual key codes Virtual Key Code Corresponding key VK_LBUTTON Left mouse button VK_RBUTTON Right mouse button VK_CANCEL Control+Break VK_MBUTTON Middle mouse button VK_BACK Backspace key VK_TAB Tab key VK_CLEAR Clear key VK_RETURN Enter key ...
Get familiar with the OnKeyDown, OnKeyUp, and onKeyPress Delphi event procedures to respond to various key actions.
WM_SYSKEYDOWN $0104 WM_SYSKEYUP $0105 WM_SYSCHAR $0106 WM_SYSDEADCHAR $0107 WM_UNICHAR $0109 WM_KEYLAST $0109 WM_INITDIALOG $0110 WM_COMMAND $0111 当用户从菜单中选择命令项、控件向其父窗口发送通知消息或转换加速器按键时发送。 WM_SYSCOMMAND $0112 当用户从窗口菜单(以前称为系统或...
WM_KEYFIRST $0100 WM_KEYDOWN $0100 WM_KEYUP $0101 WM_CHAR $0102 WM_DEADCHAR $0103 WM_SYSKEYDOWN $0104 WM_SYSKEYUP $0105 WM_SYSCHAR $0106 WM_SYSDEADCHAR $0107 WM_UNICHAR $0109 WM_KEYLAST $0109 WM_INITDIALOG $0110 WM_COMMAND $0111 WM_SYSCOMMAND $0112 WM_TIMER...
Let's use theKeyDownevent of a DBGrid component: procedure TForm1.DBGrid1KeyDown( Sender: TObject; var Key: Word; Shift: TShiftState); begin if Key = VK_RETURN then begin if DBGrid1.SelectedField = DBTableData then with TMemoEditorForm.Create(nil) do ...