Ultimate Pack  hot! Image Editor  new! Runtime Fusion Form Designer Object Inspector Print Suite Pro Commented Image Delphi Toys WinDowse Delphi Bonus TMS Scripter Studio Form Designer VB Form Designer .NET ...get more... for Delphi.NET, C#, VB.NET for Delphi VCL, BCB 3-6

	WinAPI Online Unix Manual Pages MegaDetailed.NET in3steps.com cdtrrracks.com new!   greatis.blogspot.com

This example shows, how to use Splitter component. It allows to get your application in good design style. Put one component to the form and set Align property to alLeft. Put Splitter to the form. Put other component and set Align property to AlClient value.
Splitter has MinSize property. If the Align property is alLeft, the splitter can't resize the regions to its left any smaller than MinSize pixels.

procedure TForm1.Button1Click(Sender: TObject);
begin
  Splitter1.MinSize:=300;
end;

For more

Delphi Help

Download source