This page contains tips, controls and applications for Borland Delphi 1.

Tips

• Where, in Visual Basic, you would do:

  DoEvents

  In Delphi, you do:

  Application.ProcessMessages;

• This line of code raises X to the power Y:

  Result:=Exp(Ln(X)*Y);

• This code fills a ComboBox with a list of valid fonts:

  FontCombo1.Items.Assign(Screen.Fonts);
  if FontCombo1.Items.Count>9 then
     FontCombo1.DropDownCount:=10
  else
     FontCombo1.DropDownCount:=FontCombo1.Items.Count;
  FontCombo1.ItemIndex:=0;

• mpanels.zip - Draggable panels.
  
  • TToolPanel - A modified TPanel which is draggable, will automatically align to any edge (or none) and arranges whatever controls it contains (they must all have the same dimensions).
  • TRollupPanel - A draggable TPanel which has a rollup button. Does not align. Does not arrange contents.

• scrlltxt.zip - Scrolling text.
  
  • TScrollText - A control which displays single line text and scrolls it to the left.

• ctrldemo.zip - Project demonstrating use of TToolPanel, TRollupPanel and TScrollText controls.
  

• pacman.zip - Animated pacman.
  
  • TPacMan - An animated PacMan which can face up, down, left or right.
    A demonstration project is included, but requires the TScrollText control to be installed.
    
  

• timebomb.zip - Performs one or more actions of your choice, at a time of your choice.
  Actions:
  • Explode - Play a .wav file of an explosion.
  • Run an application.
  • Display a message.
  • Close itself.
  Times:
  • At a specified time of day.
  • After a specified delay.
  And to stop people messing:
  • Lock Button - Lock all controls with a password.
  • Hide Button - Hide itself until the actions have been performed.
  All operations can be programmed and started using command line arguments.
  Note: The Set button is not yet implemented.