Warten bis Event OnKeyDown abgearbeitet ist

[EWeiss]

Zitat:

Ich kenne mich in Foren leider noch nicht so gut aus, was das Schreiben betrifft

Dann mache ich das mal für dich.
Und schon ist es lesbar

Delphi-Quellcode:

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, ExtCtrls;

type
  TForm1 = class(TForm)
    Button1: TButton;
    Timer1: TTimer;
    Edit1: TEdit;
    Edit2: TEdit;
    procedure Button1Click(Sender: TObject);
    procedure Timer1Timer(Sender: TObject);
  private
    { Private-Deklarationen }
  public
    { Public-Deklarationen }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure PostKeyExHWND(hWindow: HWnd; key: Word; const shift: TShiftState; specialkey: Boolean);
type
  TBuffers = array [0 .. 1] of TKeyboardState;
var
  pKeyBuffers: ^TBuffers;
  lParam: LongInt;
begin

  (* check if the target window exists *)
  if IsWindow(hWindow) then
  begin
    (* set local variables to default values *)
    pKeyBuffers := nil;
    lParam := MakeLong(0, MapVirtualKey(key, 0));

    (* modify lparam if special key requested *)
    if specialkey then
      lParam := lParam or $1000000;

    (* allocate space for the key state buffers *)
    New(pKeyBuffers);
    try
      (* Fill buffer 1 with current state so we can later restore it.
        Null out buffer 0 to get a "no key pressed" state. *)
      GetKeyboardState(pKeyBuffers^[1]);
      FillChar(pKeyBuffers^[0], SizeOf(TKeyboardState), 0);

      (* set the requested modifier keys to "down" state in the buffer *)
      if ssShift in shift then
        pKeyBuffers^[0][VK_SHIFT] := $80;
      if ssAlt in shift then
      begin
        (* Alt needs special treatment since a bit in lparam needs also be set *)
        pKeyBuffers^[0][VK_MENU] := $80;
        lParam := lParam or $20000000;
      end;

      if ssCtrl in shift then
        pKeyBuffers^[0][VK_CONTROL] := $80;
      if ssLeft in shift then
        pKeyBuffers^[0][VK_LBUTTON] := $80;
      if ssRight in shift then
        pKeyBuffers^[0][VK_RBUTTON] := $80;
      if ssMiddle in shift then
        pKeyBuffers^[0][VK_MBUTTON] := $80;

      (* make out new key state array the active key state map *)
      SetKeyboardState(pKeyBuffers^[0]);
      (* post the key messages *)
      if ssAlt in shift then
      begin
        PostMessage(hWindow, WM_SYSKEYDOWN, key, lParam);
        PostMessage(hWindow, WM_SYSKEYUP, key, lParam or $C0000000);
      end
      else
      begin
        PostMessage(hWindow, WM_KEYDOWN, key, lParam);
        PostMessage(hWindow, WM_KEYUP, key, lParam or $C0000000);
      end;
      (* process the messages *)
      Application.ProcessMessages;

      (* restore the old key state map *)
      SetKeyboardState(pKeyBuffers^[1]);
    finally
      (* free the memory for the key state buffers *)
      if pKeyBuffers <> nil then
        Dispose(pKeyBuffers);
    end; { If }
  end;
end; { PostKeyEx }

procedure TForm1.Button1Click(Sender: TObject);
const
  Str1: string = '2340';
  Str2: string = '118,65';
var
  Inp: TInput;
  I: Integer;
begin
  Edit1.SetFocus;
  for I := 1 to Length(Str1) do
  begin
    // press
    Inp.Itype := INPUT_KEYBOARD;
    Inp.ki.wVk := Ord(UpCase(Str1[I]));
    Inp.ki.dwFlags := 0;
    SendInput(1, Inp, SizeOf(Inp));

    // release
    Inp.Itype := INPUT_KEYBOARD;
    Inp.ki.wVk := Ord(UpCase(Str1[I]));
    Inp.ki.dwFlags := KEYEVENTF_KEYUP;
    SendInput(1, Inp, SizeOf(Inp));

    Application.ProcessMessages;
    Sleep(120);
  end;

  Edit2.SetFocus;
  for I := 1 to Length(Str2) do
  begin
    // press
    Inp.Itype := INPUT_KEYBOARD;
    Inp.ki.wVk := Ord(UpCase(Str2[I]));
    Inp.ki.dwFlags := 0;
    SendInput(1, Inp, SizeOf(Inp));

    // release
    Inp.Itype := INPUT_KEYBOARD;
    Inp.ki.wVk := Ord(UpCase(Str2[I]));
    Inp.ki.dwFlags := KEYEVENTF_KEYUP;
    SendInput(1, Inp, SizeOf(Inp));

    Application.ProcessMessages;
    Sleep(120);
  end;
end;

procedure TForm1.Timer1Timer(Sender: TObject);
begin
  // Bei Taste + befehl ausführen
  if GetAsyncKeyState(VK_ADD) < 0 then
    Button1Click(Button1);
end;

end.