unit Unit1;
interface
uses
SysUtils, WinTypes, WinProcs, Messages, Classes, Graphics, Controls,
Forms, Dialogs, StdCtrls;
type
TForm1 = class(TForm)
Button1: TButton;
Button2: TButton;
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
procedure FormKeyPress(Sender: TObject; var Key: Char);
private
AppInst: THandle;
AppWind: THandle;
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.DFM}
uses ShellAPI;
procedure SendShift(H: HWnd; Down: Boolean);
var
vKey, ScanCode, wParam: Word;
lParam: longint;
begin
vKey := $10;
ScanCode := MapVirtualKey(vKey, 0);
wParam := vKey or ScanCode shl 8;
lParam := longint(ScanCode) shl 16 or 1;
if not (Down) then
lParam := lParam or $C0000000;
SendMessage(H, WM_KEYDOWN, vKey, lParam);
end;
procedure SendCtrl(H: HWnd; Down: Boolean);
var
vKey, ScanCode, wParam: Word;
lParam: longint;
begin
vKey := $11;
ScanCode := MapVirtualKey(vKey, 0);
wParam := vKey or ScanCode shl 8;
lParam := longint(ScanCode) shl 16 or 1;
if not (Down) then
lParam := lParam or $C0000000;
SendMessage(H, WM_KEYDOWN, vKey, lParam);
end;
procedure SendKey(H: Hwnd; Key: char);
var
vKey, ScanCode, wParam: Word;
lParam, ConvKey: longint;
Shift, Ctrl: boolean;
begin
ConvKey := OemKeyScan(ord(Key));
Shift := (ConvKey and $00020000) <> 0;
Ctrl := (ConvKey and $00040000) <> 0;
ScanCode := ConvKey and $000000FF or $FF00;
vKey := ord(Key);
wParam := vKey;
lParam := longint(ScanCode) shl 16 or 1;
if Shift then
SendShift(H, true);
if Ctrl then
SendCtrl(H, true);
SendMessage(H, WM_KEYDOWN, vKey, lParam);
SendMessage(H, WM_CHAR, vKey, lParam);
lParam := lParam or $C0000000;
SendMessage(H, WM_KEYUP, vKey, lParam);
if Shift then
SendShift(H, false);
if Ctrl then
SendCtrl(H, false);
end;
function EnumFunc(Handle: HWnd; TF: TForm1): Bool; far;
begin
TF.AppWind := 0;
if GetWindowWord(Handle, GWW_HINSTANCE) = TF.AppInst then
TF.AppWind := Handle;
result := (TF.AppWind = 0);
end;
procedure TForm1.Button1Click(Sender: TObject);
var
Text: array[0..255] of char;
begin
AppInst := ShellExecute(Handle, 'open', 'notepad.exe', nil, '', SW_NORMAL);
EnumWindows(@EnumFunc, longint(self));
AppWind := GetWindow(AppWind, GW_CHILD);
end;
procedure TForm1.Button2Click(Sender: TObject);
begin
SendKey(AppWind, 'T');
SendKey(AppWind, 'e');
SendKey(AppWind, 's');
SendKey(AppWind, 't');
end;
procedure TForm1.FormKeyPress(Sender: TObject; var Key: Char);
begin
if AppWind <> 0 then
SendKey(AppWind, Key);
end;
end.
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