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Subject: Wizard Delphi 7 好像是Bug
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Post at 2009-3-26 14:11  Profile | Blog | P.M. 
Wizard Delphi 7 好像是Bug

Delphi 7 Wizard
出现了重叠字符,但不影响编译,见图片


Image Attachment: 未命名.bmp (2009-3-26 14:11, 339.97 K)

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Passion (LiuXiao)
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Post at 2009-3-26 15:20  Profile | Blog | P.M. 
能否固定重现?也就是说翻页、滚屏或修改代码后这样的错位是否仍然出现?
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Post at 2009-3-26 17:13  Profile | Blog | P.M. 
回复 #2 Passion 的帖子

翻页滚屏依然出现,我在Begin后面增加一个空行就没有字符重叠了,但是Begin end 依然不能加亮显示。
我有两个unit, mainUnit没有这个问题,很正常。
有问题的一个试着修改上边的内容增加或删除行,怎么都不能正常。
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Passion (LiuXiao)
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Post at 2009-3-26 19:44  Profile | Blog | P.M. 
能否将出问题的这个unit发给我们看看,看是否有什么特殊的地方影响了代码的结构解析?
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Post at 2009-3-27 09:11  Profile | Blog | P.M. 
回复 #4 Passion 的帖子

这是部分代码,删除掉前面某些行偶尔可以恢复正常,有时候又不能。

unit unitPPI;

interface

uses
  Windows,  SysUtils, Variants, Classes, Controls, Forms,
    StdCtrls, OoMisc, AdPort, MMsystem;
const
  StationNo = 2;
  Hostnummer     = 0 ;

type
  TfrmPPI = class(TForm)
    PPICom: TApdComPort;

    function OpenCOM(const No: Byte; const Settings:String) : Boolean;
    function CloseCOM : Boolean;
    procedure PPIComTrigger(CP: TObject; Msg, TriggerHandle, Data: Word);


    function ReadVB(const Station :byte; const Addr : Word; var valueWord): boolean;

    function writeVB(const Station :byte; const Addr : Word; const Value : Dword): Boolean;


  private
    { Private declarations }
    portOpened:boolean;
    expectCharNo,realCharNo:word;
    waitData:boolean;
    timerHandle:word;
    retStr:string;
    Bytebuffer   : Array[0..512] of Byte;

  protected
    { Protected declarations }
  public
    { Public declarations }
  end;

  TbyteArray  =Array[0..222] of byte;

var
  frmPPI: TfrmPPI;

  S7Quit : Array[0..5] of Byte = ($10, StationNo, $00, $5C, $5E, $16);



  S7GetVW : Array[0..32] of Byte =($68, $1B, $1B, $68, StationNo, $00,
    $7C, $32, $01, $00, $00, $00, $00, $00, $0E, $00, $00, $04, $01, $12, $0A, $10,
    $02, $00, $02, $00, $01, $84, $00, $03, $20, $9C, $16);


  resetByte: Array [0..26] of Byte =($68,$15,$15,$68,StationNo,$00,$6c,$32,$01,$00,
        $00,$cc,$c1,$00,$08,$00,$00,$f0,$00,$00,$01,$00,$01,$03,$c0,$eb,$16);

implementation

{$R *.dfm}

procedure Delay_MS(const mst : Cardinal);
var
  CDelay: Cardinal;
  CTime: LongInt;
  LTime: LongInt;
begin
  LTime := timeGetTime;
  CDelay := 0;
  while CDelay < mst do begin
    Application.processMessages;
    CTime := timeGetTime;
    Inc(CDelay, CTime - LTime);
    LTime := CTime;
  end;

end;


function TfrmPPI.OpenCOM (const No: Byte; const Settings:String) : Boolean;
begin

  try
    PPICom.ComNumber := No;
    PPICom.Baud :=strtoint(settings);
    ppiCom.Parity :=pEven;
    if not PPICom.Open then PPICom.Open :=true;
    result:=true;
    portOpened:=true;

    //s7GetVL[4]:=Station;
    //s7SetVW[4]:=Station;
    //s7SetVD[4]:=Station;

  except
    portOpened:=false;
    result:=false;

  end;

end;

function TfrmPPI.CloseCOM ():boolean;
begin

if PPICom.Open then PPICom.Open :=false;
portOpened:=false;
result:=true;

end;

procedure TfrmPPI.PPIComTrigger(CP: TObject; Msg, TriggerHandle,  Data: Word);
var
  I : Word;
  c :char;
begin

  case Msg of
    APW_TRIGGERDATA :
      begin
        //overTimeFlag:=false;
      end;
    APW_TRIGGERAVAIL :
      begin

        for I := 1 to Data do begin
          c:= PPICom.GetChar;
          retStr := retStr+c;
          byteBuffer[realCharNo]:=ord(c);
          realCharNo:=realCharNo+1;
        end;

        if expectCharNo=realCharNo then begin
          ppiCom.RemoveTrigger(timerHandle);
          waitData:=false;
        end;

      end;
    APW_TRIGGERTIMER :
      begin
        waitData:=false;
        PPICom.RemoveTrigger(timerHandle);
      end;

  end;

end;


function TfrmPPI.ReadVB(const Station :byte; const Addr : Word; var valueWord): boolean;
var
  I,K : Byte;
  sStr,qStr: string;
begin
  Result := false;
  if (not portOpened) or waitData then exit;

  K:=0;
  s7GetVW[4]:=station;
  S7GetVW[22]:=2;
  S7GetVW[24]:=1;  //读取字节数
  S7GetVW[26]:=1;
  S7GetVW[27]:=$84;
  S7GetVW[29]:=Hi(Addr*8);
  S7GetVW[30]:=Lo(Addr*8);
  for I:=4 to 30 do
    K:=K + S7GetVW[I];
  S7GetVW[31]:=K;

  sStr:='';
  for i:=0 to sizeof(s7GetVW)-1 do sStr:=sStr+char(S7GetVW[I]);
  PPICom.PutString(sStr);

  expectCharNo:=1;
  realCharNo:=0;
  retStr:='';
  timerHandle := PPICom.AddTimerTrigger;
  PPICom.SetTimerTrigger(timerHandle,182,true);

end;

function TfrmPPI.writeVB (const Station :byte; const Addr : Word; const Value : Dword): Boolean;
var
  I,K : Byte;
  sStr,qStr: string;
begin
  Result := false;
  if (not portOpened) or waitData then exit;


end;


end.
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listary
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Post at 2009-3-27 09:19  Profile | Blog | P.M. 
见图片


Image Attachment: 未命名1.JPG (2009-3-27 09:19, 52.35 K)



Image Attachment: 未命名2.JPG (2009-3-27 09:19, 52.45 K)

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Passion (LiuXiao)
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Post at 2009-3-27 10:46  Profile | Blog | P.M. 
这段代码我复制下来显示还是正常的,我猜想可能是文件中有些多余或错乱的回车换行符号导致了行计算错误。能否将原始的unit打包作为附件上传到这儿看看?
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