冀公网安备 13098202000212号 2009年5月28日 星期四
学习 SQL 语句 - Select(9): 其他
万一| 万一的 Delphi 博客 |18:42:00
//只要前五条记录 procedure TForm1.Button1Click(Sender: TObject); begin with ADODataSet1 do begin Close; CommandText := 'SELECT TOP 5 * FROM country'; Open; end; end; //去除重复 procedure TForm1.Button2Click(Sender: TObject); begin...
学习 SQL 语句 - Select(8): 分组条件
万一| 万一的 Delphi 博客 |17:54:00
代码文件://分组条件可以是 Where procedure TForm1.Button1Click(Sender: TObject); begin with ADODataSet1 do begin Close; CommandText := 'SELECT Continent, AVG(Area) AS 平均面积 ' + 'FROM country WHERE Continent="South Am...
学习 SQL 语句 - Select(7): 分组统计之 Avg()、Sum()、Max()、Min()、Count()
万一| 万一的 Delphi 博客 |16:43:00
Group By本来 Group By 也可以根据多个字段分组("," 隔开), 但这个例子只有 Continent 字段适合分组,也只有 Area、Population 字段适合统计.本例效果图:代码文件:unit Unit1; interface uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Control...
Update 3 and 4 for Delphi 2009， C++Builder 2009 and RAD Studio 2009
CodeGear| CodeGear-CDN Delphi |12:01:33
BusinessSkinForm v. 7.40
CodeGear| CodeGear-CodeCentral Delphi |06:49:49
BusinessSkinForm VCL library help you to create applications with skins support for forms, menus, hints, many standard and DB controls. You can create your skins with special editor. Develop your business applications with BusinessSkinForm VCL!Fea...
DynamicSkinForm v. 10.40
CodeGear| CodeGear-CodeCentral Delphi |06:37:27
DynamicSkinForm VCL library help you to create applications with skins. Skins support for forms, menus, hints, many standard and non-standard original controls. Skins with many objects, effects help you to create standard and non-standard cool ap...
Use a Function or a Procedure as a Parameter for Another Delphi Function
About.com| About.com Delphi Programming |02:00:00
Delphi TIPS :: In Delphi, procedural types allow you to treat procedures and functions as values that can be assigned to variables or passed to other procedures and functions. Read the...
2009年5月27日 星期三
Delphi 师夷之长以制夷——捕获WM_DeviceChange消息杜绝U盘病毒传播
幸福苹果| 幸福苹果-delphi |20:35:00
http://hi.baidu.com/tys1b0037f/blog/item/d0c3164e499f7dc8d0c86a28.html2007年08月26日 星期日 15:21 好些天前我还在用vb学消息钩子，很明显，我的做法是十分不明智的，后来因阅读全文类别：delphi编程 查看评论
Delphi 蜂鸣器发声——《幽灵公主主题曲》
幸福苹果| 幸福苹果-delphi |20:34:00
http://hi.baidu.com/tys1b0037f/blog/item/37061dc7ea8d11ded0006018.html2007年08月26日 星期日 22:27//有些音还是不太准……program Project3;{$APPTYPE CONSOLE}阅读全文类别：delphi编程 查看评论
关于 Beep、MessageBeep 和 Windows.Beep
幸福苹果| 幸福苹果-delphi |20:33:00
http://www.cnblogs.com/del/archive/2008/10/22/1316617.htmlDelphi 在 SysUtils 单元定义 Beep 方法, 可以发出一个声音, 一般用于提醒和调试.Beep 其实是调用的 API 函数: MessageBeep(MB_OK);MessageBeep 有下面几种用法可以调用几种不同的声音文件:MessageBeep(M...
ViPlay V3.0 播放器源代码
DELPHI盒子| Delphi盒子 |16:05:00
viplay3是新版媒体播放viplay(www.urusoft.net),到目前为止,已封闭源但现在它已成为开放源码实现伟大源泉,只有一个开放社会可以给它! 比 WINAMP 占用资源更小，功能更强大，支持换肤。。。 可以编译通过。但是有个问题，在安装 USViPlay3.dpk 出现如下错误： [Error]...
Finally! Update 3/4 is here!
Nick Hodges| Nick Hodges |14:13:32
Okay, I told the team that if we didn’t ship this thing today, I was going to throw myself off the third story balcony.  Fortunately, my teammates like me just enough to want to prevent that from happening, and now Update 3/4 is out.  U...
RAD Studio 2009 Update 3， Update 4 & Boost Update
CodeGear| CodeGear-CodeCentral Delphi |13:50:21
<u>Additional Information</u><ul><li><a href="http://edn.embarcadero.com/article/39390/">English Readme</a><li><a href="http://edn.embarcadero.com/article/39594/">French Readme<...
Simple Delphi Prism WCF service and Delphi 2009 client
Pawel Glowacki| Pawel Glowacki |12:07:11
It has been just few days since Delphi Prism May 2009 has been released. One of the most visible new things is its support for AOP through Cirrus framework. Jim McKeeth demonstrated Delphi Prism AOP demo during the recent DelphiLive! conference an...
Embarcadero Developer Network (EDN) community newsletter - May 2009
CodeGear| CodeGear-CDN Delphi |09:40:25