Chau Chee Yang Technical Blog

We may make a form without borders to show some additional information using some popup windows. However, a borderless form will no longer ...

We usually use mouse to drag the windows form title bar to move the window on our desktop. There is a new way to move the form by just drag...

TListBox is a simple visual component that always use for display a list of items but it has some nice features that we always neglected. U...

When we use /usr/sbin/useradd to create a user, it's home directory may contain some default files or folders (it is hidden usually). H...

If we want to change background color of a form: we usually do like this: Form1.Color := clYellow; However, if a Form's FormStyle i...

There is only one way to prevent creation of ~BPL in Delphi 2007 IDE: patch delphicoreide100.bpl in C:\Program Files\CodeGear\RAD Studio\5.0...

Due to I/O redirector problem in GBAK.EXE ( http://tech.groups.yahoo.com/group/firebird-support/message/90995 ), I download Firebird source...

We may easily embed a Delphi GUI control into another container control like TForm or TPanel: var F: TForm; B: TButton; begin F := TForm....

Using Local Protocol to connect to Firebird database no longer works in Windows Vista when we install firebird server using setup file's...

Typical DOS application that may perform great function are GREP, MORE, SORT. These functions chain together via command redirection operat...

Here is the code to scroll TMemo control to bottom at runtime: var M: TWMVScroll; begin M.Msg := WM_VSCROLL; M.ScrollCode := SB_BOTTOM; ...

I use GBAK.EXE to perform backup and restore operation of Firebird database in my GUI application design. The reason I use GBAK instead of...

We may use GetOptionalParam and SetOptionalParam methods to access the optional parameters in TClientDataSet instance. However, if we do n...

We may seldom need to deal with Windows API when using Delphi VCL to develop a Win32 application. The most common information we may want t...

Although using SendMessage and PostMessage isn't a good practice in OO design. However, I do need it in some situation. All the while ...

I just come across with the article The ultimate Delphi IDE start-up hack When we use SysUtils.LoadPackage in Delphi, the following proced...

The Firebird ODBC drivers may obtain from http://www.firebirdsql.org/ I haven't try the Windows Full Install .exe file yet. The follo...

Windows 98 kernel is not NT kernel. There are limitations on the application resource (*.RES) size and EXE file size. Application Resource...

Imagine a form that has several controls. If we right click on the control especially controls like TEdit or TMemo, a default popup menu wi...

I love the distribution of Fedora Core 7 in DVD ISO format. Once download it, I can mount the ISO file access the contents of the FC7 files...