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我用CoolTrayIcon组成部分,但我可以通过hand.What我要完成修改它更新我只是没有真正创建另一个balloon.Problem创建气球文本:如何手动更新托盘图标气球中的文本?
function TCoolTrayIcon.ShowBalloonHint(Title: String; Text: String;
IconType: TBalloonHintIcon; TimeoutSecs: TBalloonHintTimeOut): Boolean;
// Show balloon hint. Return false if error.
const
aBalloonIconTypes: array[TBalloonHintIcon] of Byte =
(NIIF_NONE, NIIF_INFO, NIIF_WARNING, NIIF_ERROR);
begin
// Remove old balloon hint
HideBalloonHint;
// Display new balloon hint
with IconData do
begin
uFlags := uFlags or NIF_INFO;
StrLCopy(szInfo, PChar(Text), SizeOf(szInfo)-1);
StrLCopy(szInfoTitle, PChar(Title), SizeOf(szInfoTitle)-1);
TimeoutOrVersion.uTimeout := TimeoutSecs * 1000;
dwInfoFlags := aBalloonIconTypes[IconType];
end;
Result := ModifyIcon;
{ Remove NIF_INFO before next call to ModifyIcon (or the balloon hint will
redisplay itself) }
with IconData do
uFlags := NIF_ICON + NIF_MESSAGE + NIF_TIP;
end;
function TCoolTrayIcon.HideBalloonHint: Boolean;
// Hide balloon hint. Return false if error.
begin
with IconData do
begin
uFlags := uFlags or NIF_INFO;
StrPCopy(szInfo, '');
end;
Result := ModifyIcon;
end;
function TCoolTrayIcon.ModifyIcon: Boolean;
// Change icon or tooltip if icon already placed
begin
Result := False;
if InitIcon then
Result := Shell_NotifyIcon(NIM_MODIFY, @IconData);
end;
我以为问题是在功能HideBalloonHint,但我wrong.I其他评论调用HideBalloonHint在ShowBalloonHint更新文本,但没有奏效。
问题:如何只而不创建另一个气球更新在托盘气球的文本?
它还创建两个baloons。 – 2009-08-24 19:43:52