unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, ExtCtrls, StdCtrls, Commctrl;
type
TForm1 =
class(TForm)
Image1: TImage;
Button1: TButton;
procedure FormCreate(Sender: TObject);
private
{ Private-Deklarationen }
procedure ShowBalloonTip(Icon : Integer;
Title : PChar;
Text : PWideChar;
BackCL, TextCL : TColor);
public
{ Public-Deklarationen }
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
procedure TForm1.FormCreate(Sender: TObject);
begin
ShowBalloonTip(1,'
Hallo','
TEST',clBlack,clWhite);
end;
procedure TForm1.ShowBalloonTip(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 := Form1.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_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;
end.