vcl

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How to set custom ticks on a TTrackBar in Delphi 2010?

I tried to set the tick style to tsManual, the min and max position to 1 and 100 respectively and add ticks at 9, 19, 79 and 89 and no ticks are shown at all except the detault first and last which th[详细]

2022-12-21 04:42 分类：问答
how to set the tabwidth of the listbox portion of a TComboBox in Delphi

You can easily achieve a multicolumn effect in a listbox by setting the TabWidth property of TListbox. For example, http://delphi.about.com/cs/adptips2000/a/bltip1200_3.htm[详细]

2022-12-20 12:39 分类：问答
VCL - drawing a room

I am still trying to draw a floorplan (in BCB 6). I already asked a few questions. As a result of Seeking floorplan design VCL toolbar I bought the TMC components.[详细]

2022-12-19 17:09 分类：问答
Compile Delphi component package (bpl) for different Delphi versions

The situation is the following. Typically I use RAD Studio 2010 for Delphi development. I have some components I would like to redistribute in binary form (*.bpl without source). But I would like peop[详细]

2022-12-17 23:57 分类：问答
how to write a function Click() for dynamic created button?

Trying to write a simple VCL program for educating purposes (dynamicly created forms, controls etc). Have such a sample code:[详细]

2022-12-17 23:48 分类：问答
Resource leaks when using a VCL (C++Builder) DLL from .NET

I have a DLL that\'s written in C++Builder (2006), and I\'m invoking a single function in the DLL from a .NET application.[详细]

2022-12-17 18:46 分类：问答
VCL SQL [Query parameters error]

C++Builder ADOQuery SQLServer Continue of This questions line using this select with procedure : SELECT C.Hint,[详细]

2022-12-17 13:36 分类：问答
Can Dlls provide modularity to main program?

Simple task: I would like to make a progra开发者_JAVA百科m (parent.exe). There are three buttons. When I click Button1, Form1 appears; when Button 2, Form2 appears; when Button3, Form3 appears...[详细]

2022-12-15 04:40 分类：问答
why memo.loadFromFile takes so long time?

I use TMemo todisplay long strings. I was very surprised that method : Memo1.loadfromfile(\'mem.txt\') [mem.txt = 111 kB] took about 35 seconds, what is really really long time.[详细]

2022-12-14 18:13 分类：问答
TImageList component for Delphi 7 which supports PNG Images

Does anyone know of a component that descends from TImageList and support P开发者_如何学编程NG images, and compatible with Delphi 7?I\'m using PngComponents It has TPngImageList. Works well for me.[详细]

2022-12-13 06:09 分类：问答