Baloon Toolstips

uses

Commctrl;

procedure ShowBalloonTip(Control: TWinControl; Icon: integer; Title: pchar; Text: PWideChar;

BackCL, TextCL: TColor);

const

TOOLTIPS_CLASS = 'tooltips_class32';

TTS_ALWAYSTIP = $01;

TTS_NOPREFIX = $02;

TTS_BALLOON = $40;

TTF_SUBCLASS = $0010;

TTF_TRANSPARENT = $0100;

TTF_CENTERTIP = $0002;

TTM_ADDTOOL = $0400 + 50;

TTM_SETTITLE = (WM_USER + 32);

ICC_WIN95_CLASSES = $000000FF;

type

TOOLINFO = packed record

cbSize: Integer;

uFlags: Integer;

hwnd: THandle;

uId: Integer;

rect: TRect;

hinst: THandle;

lpszText: PWideChar;

lParam: Integer;

end;

var

hWndTip: THandle;

ti: TOOLINFO;

hWnd: THandle;

begin

hWnd := Control.Handle;

hWndTip := CreateWindow(TOOLTIPS_CLASS, nil,

WS_POPUP or TTS_NOPREFIX or TTS_BALLOON or TTS_ALWAYSTIP,

0, 0, 0, 0, hWnd, 0, HInstance, nil);

if hWndTip <> 0 then

begin

SetWindowPos(hWndTip, HWND_TOPMOST, 0, 0, 0, 0,

SWP_NOACTIVATE or SWP_NOMOVE or SWP_NOSIZE);

ti.cbSize := SizeOf(ti);

ti.uFlags := TTF_CENTERTIP or TTF_TRANSPARENT or TTF_SUBCLASS;

ti.hwnd := hWnd;

ti.lpszText := Text;

Windows.GetClientRect(hWnd, ti.rect);

SendMessage(hWndTip, TTM_SETTIPBKCOLOR, BackCL, 0);

SendMessage(hWndTip, TTM_SETTIPTEXTCOLOR, TextCL, 0);

SendMessage(hWndTip, TTM_ADDTOOL, 1, Integer(@ti));

SendMessage(hWndTip, TTM_SETTITLE, Icon mod 4, Integer(Title));

end;

end;

procedure TForm1.Button1Click(Sender: TObject);

begin

ShowBalloonTip(Button1, 1, 'Title',

'Balloon tooltip,http://kingron.myetang.com; updated by Calin', clBlue, clNavy);

end;