pe
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;
{效果
演示}
procedure TForm1.Button1Click(Sender: TObject);
begin
ShowBalloonTip(Button1, 1, '标题', '我在这里!', clBlue, clNavy);
end;
2
Delphi 三种气泡提示效果
2011-03-19 14:55
一、方法一
说明:这个效果不好,鼠标必须放在按钮上,气泡提示才可以出来,如果鼠标在按钮的范围之外,
用回车键点击按钮也不会激活气泡提示。
unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls,CommCtrl;
const
TTS_BALLOON = $40;
TTM_SETTITLE = (WM_USER + 32);
type
TForm1 = class(TForm)
Button1: TButton;
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
hTooltip: Cardinal;
ti: TToolInfo;
buffer : array[0..255] of char;
implementation
{$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, hI
nstance, 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;
//BackColor,TextColor分别是背景颜色和文本颜色,如果是0则取默认值.
procedure AddToolTip(hwnd: d
word; lpti: PToolInfo; IconType: Integer; Text, Title: PChar;
BackColor,TextColor:TColor);
var
Rect: TRect;
begin
if (hwnd <> 0) AND (GetClientRect(hwnd, Rect)) then
begin
lpti.hwnd := hwnd;
lpti.Rect := Rect;
lpti.lpszText := Text;