unit Unit1;interfaceuses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, ExtCtrls, StdCtrls;type
TForm1 = class(TForm)
Button1: TButton;
Button2: TButton;
Timer1: TTimer;
procedure Timer1Timer(Sender: TObject);
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
procedure FormCreate(Sender: TObject);
procedure FormDestroy(Sender: TObject);
private
procedure hotykey(var Msg: Tmessage); message WM_HOTKEY;
{ Private declarations }
public
{theHotKey: Integer;
procedure r_hyg;
procedure r_hyb; }
{ Public declarations }
end;var
Form1: TForm1;
id,id2:Integer;implementation{$R *.dfm}
procedure TForm1.hotykey(var msg:TMessage);
begin
if (msg.LParamLo=MOD_CONTROL) and (msg.LParamHi=81) then
begin
Button1.Click;
end;
if (msg.LParamLo=MOD_CONTROL) and (msg.LParamHi=82) then
begin
Button2.Click;
end;
end;
{procedure TForm1.HotKeyDown(var Msg: Tmessage);
begin if Msg.LParamHi = 77 then //按下小键盘上的“M”
begin
r_hyg;
exit;
end;
if Msg.LParamHi = 78 then //按下小键盘上的“M”
begin
r_hyb;
exit;
end;end; }
{procedure TForm1.r_hyg;
begin
Timer1.Enabled:= True;
end;
procedure TForm1.r_hyb;
begin
Timer1.Enabled:= False;
end; }
procedure TForm1.Timer1Timer(Sender: TObject);
begin
SetCursorPos(20,132);
end;procedure TForm1.Button1Click(Sender: TObject);
begin
Timer1.Enabled:= True;
end;procedure TForm1.Button2Click(Sender: TObject);
begin
Timer1.Enabled:= False;
end;procedure TForm1.FormCreate(Sender: TObject);
begin
id:=GlobalAddAtom('hotkey');
RegisterHotKey(handle,id,mod_control,81); id2:=GlobalAddAtom('hotkey2');
RegisterHotKey(handle,id2,mod_control,82);
end;
procedure TForm1.FormDestroy(Sender: TObject);
begin
UnRegisterHotKey(handle,id);
UnRegisterHotKey(handle,id2);
end;end.
这是完整的代码..编译的话 只需要在窗体上加一个TIMER控件 两个按钮控件就可以编译..麻烦高手帮看一下..错在什么位置.. 为什么不响应热键的注册 ,怎么修改才能响应呢?
解决方案 »
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Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;type
TForm1 = class(TForm)
Button1: TButton;
procedure FormCreate(Sender: TObject);
procedure FormClose(Sender: TObject; var Action: TCloseAction);
private
{ Private declarations }
public
procedure HotKeyDown(var Msg:Tmessage); message WM_HOTKEY;
{ Public declarations }
end;var
Form1: TForm1;
HotKeyId: ATOM;implementation{$R *.dfm}procedure TForm1.FormCreate(Sender: TObject);
begin
HotKeyId := GlobalAddAtom('MyHotKey')-$C000;
RegisterHotKey(Handle, hotkeyid, MOD_CONTROL, 65);
end;procedure TForm1.HotKeyDown(var Msg: Tmessage);
begin
if(Msg.LparamLo = MOD_CONTROL) and (Msg.LParamHi = 65) then
ShowMessage('YES');
end;procedure TForm1.FormClose(Sender: TObject; var Action: TCloseAction);
begin
UnRegisterHotKey(handle, HotKeyId);
end;end.
我复制你的代码编译之后.没有弹出YES的字符串..我以为是笔记本的原因.就换了一个U口键盘.
但是还是无法响应快捷键..希望高手解惑
窗口最小化或者是处于未激活状态,热键也正常。看了二楼的代码,
HotKeyId := GlobalAddAtom('MyHotKey')-$C000;
这个红色的部分是因为 HotKeyId的合法取之范围是0x0000到0xBFFF之间,GlobalAddAtom函数得到的值在0xC000到0xFFFF之间,所以减掉0xC000来满足调用要求。