Top "Vcl" questions

Load Jpg/Gif/Bitmap and convert to Bitmap

I have to load an image from an XML file. There is no information in the XML file about whether …

delphi image-processing bitmap vcl file-format

What's the difference between Refresh, Update and Repaint?

I don't know which of those three methods suits me most. They all work for me. Does anyone know the …

delphi vcl

DecimalSeparator in SysUtils and System.SysUtils

I need to find DecimalSeparator var SysUtils Delphi 7, in Delphi XE6 i tried to find in System.SysUtils, but without …

delphi components vcl

TStringGrid - is there a simple way to get the "current/selected" row?

I can go the long way round, loop over each row, get a TRect from CellRect(col, row), then query …

delphi c++builder vcl tstringgrid

Is there any way to get all the controls on a container control?

I've got a form with a bunch of controls on it, and I wanted to iterate through all the controls …

delphi forms controls iterator vcl

How to make a Delphi TSpeedButton stay pressed if it's the only one in the group

I'm not sure why the TSpeedButton has this property but when a TSpeedButton is the only button of a given …

delphi vcl button

How to set two radiobuttons in one group and two in another group?

I have total 4 radiobuttons on my form,I want to set the first two buttons in one group and the …

delphi vcl

how to dynamically create a component in delphi such as TLabel or TEdit ...etc

Using Delphi 2010 SQLQuery1.First; // move to the first record while(not SQLQuery1.EOF)do begin // do something with the current …

delphi delphi-2010 vcl dynamic-class-creation

Remove Item from ListBox?

Is there any way to remove item from listbox based on it's name but not index value? I would like …

delphi listbox vcl

wsMaximized forms do not appear maximized

Setting a form to WindowState = wsMaximized will sometimes cause the form to be maximized but not: Long-time bug: this is …

delphi delphi-7 vcl delphi-5