delphi 窗体之间组件的调用问题~请大神们帮忙 delphi 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 应该是你单元引用错误了下边是单元之间引用的示例代码unit Unit4;interfaceuses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls;type TC = class(TForm) Button1: TButton; Button2: TButton; procedure Button1Click(Sender: TObject); procedure Button2Click(Sender: TObject); private { Private declarations } public { Public declarations } end;var C: TC;implementationuses unit5; //注意这句, 引用单元{$R *.dfm}procedure TC.Button1Click(Sender: TObject);begin //A为unit5单元中声明的全局变量 A.Show; A.Edit1.Text := 'aa';end;procedure TC.Button2Click(Sender: TObject);var FA : TA;begin //FA, 局部变量, 类型为unit5的TA类 FA := TA.Create(nil); try FA.Edit1.Text := 'cc'; FA.ShowModal; finally FA.Free; end;end;end.unit Unit5;interfaceuses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls;type TA = class(TForm) Button1: TButton; Edit1: TEdit; private { Private declarations } public { Public declarations } end;var A: TA; //注意这句implementation{$R *.dfm}end. 看似简单的问题,请高手指点.编程实现获取ftp服务器的绝对路径 多表更新问题 统计原码,请高手看看! 一个SQL语句问题(有点难度)100分请教 大虾们,怎样往listbox里加图片啊 关于ComboBox的经典问题??(在线等) 请问如何建立临时表? 如何删除ACCESS数据库中的一个表?在线等候 急!!!200分(另开贴加分)求关于Collection的用法,需求内详。我就不信CSDN没有一个高手???!!! 请问delphi中inherited是怎么用的阿? XE5的单步调试功能好像比delphi2007差好多啊 SDAC批量更新数据
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;
type
TC = class(TForm)
Button1: TButton;
Button2: TButton;
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
private
{ Private declarations } public
{ Public declarations }
end;var
C: TC;implementation
uses unit5; //注意这句, 引用单元
{$R *.dfm}procedure TC.Button1Click(Sender: TObject);
begin
//A为unit5单元中声明的全局变量
A.Show;
A.Edit1.Text := 'aa';
end;procedure TC.Button2Click(Sender: TObject);
var
FA : TA;
begin
//FA, 局部变量, 类型为unit5的TA类
FA := TA.Create(nil);
try
FA.Edit1.Text := 'cc';
FA.ShowModal;
finally
FA.Free;
end;
end;end.
unit Unit5;interfaceuses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;type
TA = class(TForm)
Button1: TButton;
Edit1: TEdit;
private
{ Private declarations }
public
{ Public declarations }
end;var
A: TA; //注意这句implementation{$R *.dfm}end.