vcl

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How can I scroll the content of a TFlowPanel?

Delphi implementation of the TFlowPanel control seems to lack an important feature of the C# version, the AutoScroll one.[详细]

2023-01-07 15:17 分类：问答
Override event handler in C++ Builder

In Codegear C++ Builder, I\'m trying to extend the TMemo VCL class to perform some functionality during the OnKeyDown event. I\'ve set up the control and am able to add it to forms and开发者_开发问答[详细]

2023-01-07 04:54 分类：问答
How to mix std::stream and Delphi TStream?

I\'m using C++Builder, and am trying to slowly migrate code to using C++ standard library in preference to the Delphi VCL.[详细]

2023-01-06 20:54 分类：问答
How to detect when the mouse move away from a TPanel in Delphi 6?

I am using the OnMouseMove event to detect when the mouse pointer is over my TPanel, is there a way to know when the mouse pointer had moved away from it?[详细]

2023-01-05 21:56 分类：问答
how to sort in Tlistview based on subitem[x]

H开发者_开发技巧ow to sort in tlistview with data present in subitem[x]?Set SortType := stData and write[详细]

2023-01-05 09:47 分类：问答
Looking for radial popup menu component for Delphi

Radial menus have started appearing in sev开发者_开发知识库eral places.I\'m curious whether anyone has seen or is working on a radial menu component for Delphi?We have a concept of what we\'d like, sh[详细]

2023-01-04 14:57 分类：问答
How To Scroll a TStringGrid dynamically?

I am working in the Borland C++Builder IDE, using VCL controls. I am trying to get a TStringGrid component to scroll down to a row and highlight that row, based on user input in a different form. I开发[详细]

2023-01-04 08:04 分类：问答
When I add a TPanel to a TToolBar, do I get a TPanel or a TToolButton?

When Delphi (2006) goes quantum: I\'ve got \"something\" that appears to be both a TToolBar and a TPanel, depending on how you observe it. I\'d like to understand what\'s going on.[详细]

2023-01-03 23:51 分类：问答
Application.ProcessMessages hangs?

my single threaded delphi 2009 app (not quite yet complete) has started to have a problem withApplication.ProcessMessages hanging.my app has a TTimer object that fires every 100 ms to poll an external[详细]

2023-01-03 09:22 分类：问答
C Builder TForm not allocated or created properly all its controls

I\'d like to know how I can check that all the controls on the form are created and initialized. I have a form I am showing when a user presses the update button. It has only a TProgressBar control.[详细]

2023-01-01 17:27 分类：问答