whats new ¦  programming tips ¦  indy articles ¦  intraweb articles ¦  informations ¦  links ¦  interviews
 misc ¦  tutorials ¦  Add&Win Game

Tips (1541)

Database (90)
Files (137)
Forms (107)
Graphic (114)
IDE (21)
Indy (5)
Internet / LAN (130)
IntraWeb (0)
Math (76)
Misc (126)
Multimedia (45)
Objects/
ActiveX (51)

OpenTools API (3)
Printing (35)
Strings (83)
System (266)
VCL (242)

Top15

Tips sort by
component


Search Tip

Add new Tip

Add&Win Game

Advertising

59 Visitors Online


 
...programatically dropdown a TComboBox?
Autor: KK Gian
[ Print tip ]  

Tip Rating (5):  
     


procedure TForm1.Button1Click(Sender: TObject);
begin
  
// Check whether DropedDown
  
if SendMessage(ComboBox1.Handle, CB_GETDROPPEDSTATE, 0, 0) <> 1 then
    
// nop, so drop it
    
SendMessage(ComboBox1.Handle, CB_SHOWDROPDOWN, 1, 0);
end;


 

Rate this tip:

poor
very good


Copyright © by SwissDelphiCenter.ch
All trademarks are the sole property of their respective owners