WinAPI: 输入光标相关的函数[1]

  CreateCaret       {建立}

  DestroyCaret      {释放}

  ShowCaret         {显示}

  HideCaret         {隐藏}

  SetCaretPos       {设置位置}

  GetCaretPos       {获取位置}

  SetCaretBlinkTime {设置间隔时间}

  GetCaretBlinkTime {获取间隔时间}


 
   

简单测试, 效果图:

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代码文件:

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unit Unit1;



interface



uses

  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,

  Dialogs;



type

  TForm1 = class(TForm)

    procedure FormMouseDown(Sender: TObject; Button: TMouseButton;

      Shift: TShiftState; X, Y: Integer);

  end;



var

  Form1: TForm1;



implementation



{$R *.dfm}



procedure TForm1.FormMouseDown(Sender: TObject; Button: TMouseButton;

  Shift: TShiftState; X, Y: Integer);

begin

  CreateCaret(Handle, 0, 0, 20);

  SetCaretPos(X, Y);

  ShowCaret(Handle);

end;



end.


 
   

窗体文件:

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object Form1: TForm1

  Left = 0

  Top = 0

  Caption = 'Form1'

  ClientHeight = 176

  ClientWidth = 298

  Color = clBtnFace

  Font.Charset = DEFAULT_CHARSET

  Font.Color = clWindowText

  Font.Height = -11

  Font.Name = 'Tahoma'

  Font.Style = []

  OldCreateOrder = False

  OnMouseDown = FormMouseDown

  PixelsPerInch = 96

  TextHeight = 13

end