http://sergworks.wordpress.com/2011/12/08/why-we-need-interfaces-in-delphi/ Why we need interfaces in Delphi. Posted on December 8, 2011 by Serg Objects are normally accessed by an object reference. Interface reference is a different method to access…

http://www.delphibasics.co.uk/Article.asp?Name=Interface The reason for interfaces   Classes that extend another class can be called sub-classes. For example, you might extend a bicycle class to have mountain bike, and child bike sub-classes. They in…

VER300    Delphi Seattle / C++Builder Seattle    23    230    (Delphi:Win32/Win64/OSX/iOS32/iOS64/Android) (C++Builder:Win32/Win64/OSX/iOS32/iOS64/Android)        VER290    Delphi XE8 / C++Builder XE8    22    220    (Delphi:Win32/Win64/OSX/iOS32/iOS…

转载自:http://www.cnblogs.com/qiusl/p/4028437.html?utm_source=tuicool 我估摸着内存分配+释放是个基础的函数,有些人可能没注意此类函数或细究,但我觉得还是弄明白好. 介绍下面内存函数之前,先说一下MM的一些过程,如不关心可以忽略: TMemoryManger = record GetMem: function(Size: Integer): Pointer; FreeMem: function(P: Pointer): Integer…

用Delphi进行开发的,直接修改注册表,需重启电脑后才生效…

内容源自Delphi XE5 UPDATE 2官方帮助<Delphi Reference>,本人水平有限,欢迎各位高人修正相关错误! 也欢迎各位加入到Delphi学习资料汉化中来,有兴趣者可QQ:34484690@qq.com 2 Example Programs 2实例程序 The examples that follow illustrate basic features of Delphi programming. The examples show simple application…

delphi 保存网页MHT   uses ADODB_TLB, CDO_TLB, ComObj,MSHTML;{$R *.dfm}{能把网页如 WWW.QQ.COM保存为一个单文件 .MHT但不能把一个 A.HTM 保存为一个单文件 .MHT}  procedure WB_SaveAs_MHT(WB: TWebBrowser; FileName: TFileName);var  Msg: IMessage;  Conf: IConfiguration;  Stream: _Stream;  U…

GDI+ LibraryThis library enables GDI+ functionality for Delphi 2009 and later. It differs from other Delphi GDI+ libraries in the following ways: It is modeled more after the .NET System.Drawing namespace instead of the C++ GDI+ classes. As a result,…

HTML的界面有以下特点:图文混排,格式灵活,可以包含Flash.声音和视频等,实现图文声像的多媒体界面,而且易于建立和维护.另外,HTML的显示环境一般机器上都具备,通常不需要安装额外的软件.当然,HTML界面也有它欠缺的方面,即:界面控制能力有限,代码调试不便----虽然DHTML提供了比较强的编程特性,但是比起Delphi的传统的开发语言和工具来,对界面的控制能力,尤其是和数据交互时的控制能力还是稍逊一筹. 了解了这些特点,我们就可以在实际应用开发中,适时地选择HTML技术.下面举个例子:…

The following are the Windows API (and former DOS) IO errors, which are also the IO errors often returned by Delphi programs, and which are generally difficult to find reference for, and are especially difficult to find referenced as Delphi errors. S…