先看WM_SYSKEYDOWN的help The WM_SYSKEYDOWN message is posted to the window with the keyboard focus when the user holds down the ALT key and then presses another key. It also occurs when no window currently has the keyboard focus; in this case, the WM_SYSKEYDOWN message is sent to the...
WM_VKEYTOITEM = $002E; 此消息有一个LBS_WANTKEYBOARDINPUT风格的发出给它的所有者来响应WM_KEYDOWN消息 WM_CHARTOITEM = $002F; 此消息由一个LBS_WANTKEYBOARDINPUT风格的列表框发送给他的所有者来响应WM_CHAR消息 WM_SETFONT = $0030; 当绘制文本时程序发送此消息得到控件要用的颜色 WM_GETFONT = $00...
先看WM_SYSKEYDOWN的help The WM_SYSKEYDOWN message is posted to the window with the keyboard focus when the user holds down the ALT key and then presses another key. It also occurs when no window currently has the keyboard focus; in this case, the WM_SYSKEYDOWN message is sent to the...
WM_SYSKEYDOWN = $0104; 当用户按住ALT键同时按下其它键时提交此消息给拥有焦点的窗口; WM_SYSKEYUP = $0105; 当用户释放一个键同时ALT 键还按着时提交此消息给拥有焦点的窗口 WM_SYSCHAR = $0106; 当WM_SYSKEYDOWN消息被TRANSLATEMESSAGE函数翻译后提交此消息给拥有焦点的窗口 WM_SYSDEADCHAR = $0107; 当...
与键盘相关的消息如:WM_KEYDOWN、 WM_KEYUP、 WM_CHAR、 WM_SYSKEYDOWN WM_SYSKEYUP、 WM_SYSCHAR的记录也被定义为TWMkey。在Message.pas文件中有以下声明: TWMChar=TWMkey; TWMKeyDown= TWMkey;TWMKeyUp=TWMkey; TWMSys -KeyDown=TWMkey; TWMSysKeyUp= ...
WM_KEYDOWN和WM_KEYUP消息通常是在按下或释放不带Alt键的键时产生;WM_SYSKEYDOWN和WM_SYSKEYUP消息通常由与Alt组合的击键产生,这些键激活程序菜单或系统菜单上的选项,或切换活动窗口,也可以用作系统菜单加速键。由于Windows处理所有Alt键的功能,应用程序无需捕获这些消息。对于4类击键消息,wParam是虚拟键代码,...
WM_SYSKEYDOWN, WM_KEYDOWN:begin pEvt := PEventMsg(LP)^;vKey := LOBYTE(pEvt.message);case vKey of ...end;end;end;WM_SYSKEYUP, WM_KEYUP:;end;end;result := CallNextHookEx(hKeyHook, nCode, wP, lP);end;安装钩子：hKeyHook := SetWindowsHookEx(WH_KEYBOARD_LL, @KeyHookProc...
43info:='WM_SYSKEYUP' 44else 45info:='WM_KEYUP' 46else 47if((DWord(lp)shr29)=1)then 48info:='WM_SYSKEYDOWN' 49else 50info:='WM_KEYDOWN'; 51info:=info+','+inttostr(wp)+','+inttostr(lp); 52ifAssigned(myKeyBoardHook.callbackFun)then 53myKeyBoardHook.callbackFun(pchar(info...
与键盘相关的消息如:WM_KEYDOWN、WM_KEYUP、WM_CHAR、WM_SYSKEYDOWN WM_SYSKEYUP、WM_SYSCHAR的记录也被定义为TWMkey。在Message.pas文件中有以下声明: TWMChar=TWMkey;TWMKeyDown= TWMkey;TWMKeyUp=TWMkey;TWMSys -KeyDown=TWMkey; TWMSysKeyUp= TWMkey;TWMSysChar=TWMkey; 消息的发送 消息处理就是定义应用程序...
#DeFine WM_SYSKEYDOWN 0x104 当用户按住ALT键同时按下其它键时提交此消息给拥有焦点的窗口 #DeFine WM_SYSKEYUP 0x105 当用户释放一个键同时ALT 键还按着时提交此消息给拥有焦点的窗口 #DeFine WM_SYSCHAR 0x106 当WM_SYSKEYDOWN消息被TRANSLATEMESSAGE函数翻译后提交此消息给拥有焦点的窗口 ...