delphi 按键测试
发布时间:2020-12-15 09:41:52 所属栏目:大数据 来源:网络整理
导读:unit Unit1; interface uses Winapi.Windows,Winapi.Messages,System.SysUtils,System.Variants,System.Classes,Vcl.Graphics,Vcl.Controls,Vcl.Forms,Vcl.Dialogs,Vcl.Imaging.pngimage,Vcl.ExtCtrls,Vcl.StdCtrls,Vcl.Buttons,Vcl.ComCtrls,Vcl.DBCtrls,Sy
unit Unit1; interface uses Winapi.Windows,Winapi.Messages,System.SysUtils,System.Variants,System.Classes,Vcl.Graphics,Vcl.Controls,Vcl.Forms,Vcl.Dialogs,Vcl.Imaging.pngimage,Vcl.ExtCtrls,Vcl.StdCtrls,Vcl.Buttons,Vcl.ComCtrls,Vcl.DBCtrls,System.StrUtils; type TForm1 = class(TForm) Button1: TButton; Label1: TLabel; Label2: TLabel; Label3: TLabel; Label4: TLabel; Button2: TButton; Button3: TButton; Button4: TButton; procedure FormCreate(Sender: TObject); procedure FormDblClick(Sender: TObject); procedure Button1Click(Sender: TObject); procedure Button2Click(Sender: TObject); procedure Button3Click(Sender: TObject); procedure Button4Click(Sender: TObject); private { Private declarations } procedure Remote(key: Integer); public { Public declarations } procedure WndProc(var Message: TMessage); override; procedure MyCopyData(var message: TWMCopyData); message WM_COPYDATA; end; var Form1: TForm1; implementation {$R *.dfm} procedure SendMyKeyDown(key: Integer); var data: TCopyDataStruct; str: string; begin str:= ‘下‘+ IntToStr(key); data.dwData := 0; data.cbData := Length(str) + 1; data.lpData := PChar(str); SendMessage(Application.MainForm.Handle,WM_COPYDATA,0,LongWord(@data)); end; procedure SendMyKeyUp(key: Integer); var data: TCopyDataStruct; str: string; begin str:= ‘上‘+ IntToStr(key); data.dwData := 0; data.cbData := Length(str) + 1; data.lpData := PChar(str); SendMessage(Application.MainForm.Handle,LongWord(@data)); end; procedure TForm1.Button1Click(Sender: TObject); begin Button1.Visible := False; Button2.Visible := False; Button3.Visible := False; Button4.Visible := False; SendMyKeyDown(Ord(‘A‘)); SendMyKeyUp(Ord(‘A‘)); end; procedure TForm1.Button2Click(Sender: TObject); begin Button1.Visible := False; Button2.Visible := False; Button3.Visible := False; Button4.Visible := False; SendMyKeyDown(VK_CONTROL); SendMyKeyUp(VK_CONTROL); end; procedure TForm1.Button3Click(Sender: TObject); begin Button1.Visible := False; Button2.Visible := False; Button3.Visible := False; Button4.Visible := False; SendMyKeyDown(VK_SHIFT); SendMyKeyUp(VK_SHIFT); end; procedure TForm1.Button4Click(Sender: TObject); begin Button1.Visible := False; Button2.Visible := False; Button3.Visible := False; Button4.Visible := False; SendMyKeyDown(VK_MENU); SendMyKeyUp(VK_MENU); end; procedure TForm1.FormCreate(Sender: TObject); begin self.KeyPreview := True; end; procedure TForm1.FormDblClick(Sender: TObject); begin Label1.Caption := ‘‘; Label2.Caption := ‘‘; Label3.Caption := ‘‘; Label4.Caption := ‘‘; Button1.Visible := not Button1.Visible; Button2.Visible := not Button2.Visible; Button3.Visible := not Button3.Visible; Button4.Visible := not Button4.Visible; end; procedure TForm1.MyCopyData(var message: TWMCopyData); var data: PCopyDataStruct; str: string; key: Integer; begin data := message.CopyDataStruct; str := string(PChar(data.lpData)); if StartsText(‘下‘,str) then begin key := StrToInt(StringReplace(str,‘下‘,‘‘,[])); keybd_event(key,MapVirtualKey(key,0),0,0); end else begin key := StrToInt(StringReplace(str,‘上‘,KEYEVENTF_KEYUP,0); end; end; procedure TForm1.Remote(key: Integer); begin //这里就是接收到的按键 end; procedure TForm1.WndProc(var Message: TMessage); begin inherited; case Message.Msg of WM_KEYDOWN: begin Label1.Caption := Format(‘KeyDown: %d - %d‘,[message.WParam,message.LParam]); Remote(message.WParam); end; WM_KEYUP: begin Label2.Caption := Format(‘KeyUp: %d - %d‘,message.LParam]); Remote(message.WParam); end; WM_SYSKEYDOWN: begin Label3.Caption := Format(‘SysKeyDown: %d - %d‘,message.LParam]); Remote(message.WParam); end; WM_SYSKEYUP: begin Label4.Caption := Format(‘SysKeyUp: %d - %d‘,message.LParam]); Remote(message.WParam); end; end; end; end. (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |