iseekcode的专栏

How to store an Object into an integer?Sometimes you want to use your beloved, worldclass component, but it has no room for saving data anywhere. But to build a connection to that data you need is m

 Print any type of document using Delphi  1.Drop a TComboBox on a form. Name it "cboPrinter". Set Style to csDropDownList. 2.Put the next two lines in the forms OnCreate event handler. // have av

How can I play a wav-file from memory or BLOB-field? Sometimes you needs to play a some sounds from own app but store these sounds in BLOB-field of table or in some external files.To play a wav-file

Select folder dialogYesterday I posted how to display standard dialog for files (open/save). Today I want to show how you may use stamndard dialog when user must select a folder/directory.

谁说Delphi没有哈希？－－Delphi中，TStringList和THashedStringList的性能对比曾经看到很多人在嚷嚷Delphi没有哈希表，这些人的动手意识姑且不论，却还有很多人以此来证明Delphi比别的语言垃圾，实在是...好，牢骚打住，转接正题。TStringList是我们常用的字符串列表类型，用法就不在这里赘述，但是，在数据其项数增多时，其搜索（主要是name/k

对TMemoryStream的一些改进怎么又是关于Stream的，呵呵，应该说只是最近比较关心程序的效率问题，而我对Stream其实并没有什么特别的研究，只是自己发现了一些新的用法，希望能对大家有用而已。　　　　事情的起因还是那个破烂电子相册软件，今天又发现了一个可改进之处，有一段程序我原来是这么写的：　　procedure CreateFile(const AFileName:String;

IStream is a Win32 interface, accessable to alot of programing languages, but is not well documented for Delphi. How do I use IStream?  There are alot of articles here and elsewhere showing how to c