做服务类应用,总要输出日志,便于调试及掌握应用服务器的运行状态,在界面上显示日志内容,就要访问VCL可视控件,因此,输入日志的代码,一定要线程安全,才不会在写日志时,...
combobox和listbox的文字可以右对齐显示么?答案是可以的,但是必须使用ComboBox1DrawItem,自行画内容。 unit Unit1; interface uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialog...
units1; interface uses Windows,Messages,SysUtils,Graphics,Controls,Forms,StdCtrls, Classes; type TForm1=class(TForm) Button1:TButton; Memo1:TMemo; procedureButton1Click(Sender:TObject); private {Privatedeclarations} public {Publicdeclaratio...
procedure TForm2.btn1Click(Sender: TObject); var arr1, arr2: TBytes; len: Integer; begin SetLength(arr1, 3); SetLength(arr2, 3); arr1[0] := 65; arr1[1] := 66; arr1[2] := 67; arr2[0] := 68; arr2[1] := 69; arr2[2] := 70; len := Length(arr1);...
unit Unit1; interface uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls,ComObj,ShellAPI; type TForm1 = class(TForm) Button1: TButton; Button2: TButton; procedure Button1Click(Sender: TObject);...
unit Unit1; interface uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls, ExtCtrls; type TForm1 = class(TForm) Button1: TButton; Button2: TButton; Button3: TButton; Button4: TButton; procedure...
演示了PostMessage, SendMessage, WM_CHAR发送汉字。 源代码: ------------------------------------------- unit Unit1; interface uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls; type...
delphi切换指定窗口到最前并获得焦点 今天在DFW看到有人问"一个相对较简单的问题(窗口激活) 真的很失望,200分,我感觉一个不是太复杂 的问题,论坛竟然没有人会?[?] ",呵呵,口气不小,而...
1.MouseMove事件中加入: // ReleaseCapture; // Perform(WM_SYSCOMMAND, $F017 , 0); 2.MouseDown事件中加入: // POSTMESSAGE(Self.Handle,WM_LBUTTONUP,0,0); // POSTMESSAGE(Self.Handle,274,61458,0); 3.MouseDown事件中加入: // Rel...
本例子为在Form1的Panel中显示Form2窗体,请注意例子中的reintroduce关键字 //Form1 父窗体 view plain copy to clipboard print ? uses unit2; procedure TForm1 . FormCreate(Sender:TObject); begin form2:=TForm2 . Create(Pane...