本代码是从网络找到的,在WIN98+2000+DELPHI7调试通过
unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs,commctrl, StdCtrls;
type
TForm1 = class(TForm)
Button1: TButton;
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
const
TTS_BALLOON = $40;
TTM_SETTITLE = (WM_USER + 32);
var
Form1: TForm1;
hTooltip: Cardinal;
ti: TToolInfo;
buffer : array[0..255] of char;
implementation
{$R *.dfm}
procedure CreateToolTips(hWnd: Cardinal);
begin
hToolTip := CreateWindowEx(0, 'Tooltips_Class32', nil, TTS_ALWAYSTIP or TTS_BALLOON,
Integer(CW_USEDEFAULT), Integer(CW_USEDEFAULT),Integer(CW_USEDEFAULT),
Integer(CW_USEDEFAULT), hWnd, 0, hInstance, nil);
if hToolTip <> 0 then
begin
SetWindowPos(hToolTip, HWND_TOPMOST, 0,0, 0, 0, SWP_NOMOVE or
SWP_NOSIZE or SWP_NOACTIVATE);
ti.cbSize := SizeOf(TToolInfo);
ti.uFlags := TTF_SUBCLASS or TTF_TRANSPARENT;
ti.hInst := hInstance;
end;
end;
procedure AddToolTip(hwnd: dword;
lpti: PToolInfo;
IconType: Integer;
Text, Title: PChar;
BackColor,TextColor:TColor);
//BackColor,TextColor分别是背景颜色和文本颜色,如果是0则取默认值.
var
Rect: TRect;
begin
if (hwnd <> 0) AND (GetClientRect(hwnd, Rect)) then
begin
lpti.hwnd := hwnd;
lpti.Rect := Rect;
lpti.lpszText := Text;
SendMessage(hToolTip, TTM_ADDTOOL, 0, Integer(lpti));
FillChar(buffer, sizeof(buffer), #0);
lstrcpy(buffer, Title);
if (IconType > 3) or (IconType < 0) then
IconType := 0;
if BackColor<>0 then
SendMessage(hToolTip, TTM_SETTIPBKCOLOR, BackColor, 0);
if TextColor<>0 then
SendMessage(hToolTip, TTM_SETTIPTEXTCOLOR, TextColor, 0);
SendMessage(hToolTip, TTM_SETTITLE, IconType, Integer(@buffer));
end;
end;
procedure TForm1.Button1Click(Sender: TObject);
begin
CreateToolTips(Button1.Handle);
AddToolTip(Button1.Handle, @ti, 1, '提示内容', '提示标题',0,0);
//数字1可以该为其它的数字来显示不同的图标
end;
end.