vcl

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Inherited TShape.Paint does not work after overriding Shape property

I\'m to code a TExpandedShape class inherited from TShape. TExpandedShape must act like TShape and be able to draw extra shapes: Polygon and Star.[详细]

2022-12-25 06:30 分类：问答
VCL/Delphi/BCB - which IDE/language should I use?

I bought Delphi 1 when it came out - and was hooked. When BCB came out (around D3, iirc), I switched, mainly because I have used C/C++ professionally for a few decades.[详细]

2022-12-25 02:17 分类：问答
VCL form and control font settings under Russian version of MS Windows

I have a Borland C++ Builder VCL app (so I am not working with Unicode yet), I want to provide a simple translation of controls\' caption text to Russian at runtime.[详细]

2022-12-24 21:00 分类：问答
Delphi VCL "TaskDialog" problem in Windows 7

I\'m developing an windows app on Delphi 2007 and I\'m using \"Ttaskdialog\" component in it. Using windows XP it runs normally, but in Windows 7 I\'m getting the following message:[详细]

2022-12-24 17:10 分类：问答
Delphi - form within form

For aesthetic reasons, I want to show a form on top of another form, just as if it were a component, say like a TPanel. It should resize with the parent, move around as the parent is dragged by its ti[详细]

2022-12-23 23:59 分类：问答
TDBGrid selected row index : How to get

How to get Selected row index in DBGrid ? so 开发者_C百科Im using ADOQuery -> DataSource -> DBGridADOQuery.Recno?[详细]

2022-12-23 22:23 分类：问答
Docking using VCL: How to make vertically docked Forms prevail over horizontally docked Forms?

I am using docking (VCL) in Delphi 7. In my main form, two other forms are docked: One vertically at the left edge, one horizontally at the bottom edge.[详细]

2022-12-23 20:47 分类：问答
What is the best method for implementing mouse wheel activity in Delphi VCL forms?

As a long time user of Delphi 7, I\'ve rolled my own mouse wheel handling in a few controls but lately I\'ve noticed that some recent applications only ne开发者_如何转开发ed the mouse cursor to be pla[详细]

2022-12-23 03:48 分类：问答
Using EnterCriticalSection in Thread to update VCL label

I\'m new to threads.I\'m using a 3rd party library that uses threads which at times call a procedure I\'ve provided.[详细]

2022-12-22 20:03 分类：问答
AnimateWindow Slide

I want my form slide down and back to position with slide animation, how to make correct AnimateWinows, if it real for sure ...[详细]

2022-12-21 05:12 分类：问答