如何显示完成百分比，经过时间和估计时间进度? [英] How to show percent done, elapsed time and estimated time progress?

问题描述

我想显示安装过程中完成的百分比，经过的时间和估计的时间值.是否可以添加以下屏幕快照中标记的文本标签?

I would like to show percent done, elapsed time and estimated time values for the installation process. Is there a way to add text labels whose are marked in the below screenshot ?

推荐答案

在

It was not that easy to implement this feature before the CurInstallProgressChanged event method was introduced in Inno Setup 5.5.4. But now, having this event available, you can write a script like this:

特别感谢 user1662035 提出的解决在回滚过程中隐藏标签的建议.

Special thanks to user1662035 for the proposed idea for the fix of hiding labels at rollback process.

[Setup]
AppName=My Program
AppVersion=1.5
DefaultDirName={pf}\My Program

[Files]
Source: "MyProg.exe"; DestDir: "{app}"
Source: "MyProg.chm"; DestDir: "{app}"
Source: "Readme.txt"; DestDir: "{app}"

[Code]
function GetTickCount: DWORD;
  external '[e-mail] stdcall';

var
  StartTick: DWORD;
  PercentLabel: TNewStaticText;
  ElapsedLabel: TNewStaticText;
  RemainingLabel: TNewStaticText;

function TicksToStr(Value: DWORD): string;
var
  I: DWORD;
  Hours, Minutes, Seconds: Integer;
begin
  I := Value div 1000;
  Seconds := I mod 60;
  I := I div 60;
  Minutes := I mod 60;
  I := I div 60;
  Hours := I mod 24;
  Result := Format('%.2d:%.2d:%.2d', [Hours, Minutes, Seconds]);
end;

procedure InitializeWizard;
begin
  PercentLabel := TNewStaticText.Create(WizardForm);
  PercentLabel.Parent := WizardForm.ProgressGauge.Parent;
  PercentLabel.Left := 0;
  PercentLabel.Top := WizardForm.ProgressGauge.Top +
    WizardForm.ProgressGauge.Height + 12;

  ElapsedLabel := TNewStaticText.Create(WizardForm);
  ElapsedLabel.Parent := WizardForm.ProgressGauge.Parent;
  ElapsedLabel.Left := 0;
  ElapsedLabel.Top := PercentLabel.Top + PercentLabel.Height + 4;

  RemainingLabel := TNewStaticText.Create(WizardForm);
  RemainingLabel.Parent := WizardForm.ProgressGauge.Parent;
  RemainingLabel.Left := 0;
  RemainingLabel.Top := ElapsedLabel.Top + ElapsedLabel.Height + 4;
end;

procedure CurPageChanged(CurPageID: Integer);
begin
  if CurPageID = wpInstalling then
    StartTick := GetTickCount;
end;

procedure CancelButtonClick(CurPageID: Integer; var Cancel, Confirm: Boolean);
begin
  if CurPageID = wpInstalling then
  begin
    Cancel := False;
    if ExitSetupMsgBox then
    begin
      Cancel := True;
      Confirm := False;
      PercentLabel.Visible := False;
      ElapsedLabel.Visible := False;
      RemainingLabel.Visible := False;
    end;
  end;
end;

procedure CurInstallProgressChanged(CurProgress, MaxProgress: Integer);
var
  CurTick: DWORD;
begin
  CurTick := GetTickCount;
  PercentLabel.Caption :=
    Format('Done: %.2f %%', [(CurProgress * 100.0) / MaxProgress]);
  ElapsedLabel.Caption := 
    Format('Elapsed: %s', [TicksToStr(CurTick - StartTick)]);
  if CurProgress > 0 then
  begin
    RemainingLabel.Caption :=
      Format('Remaining: %s', [TicksToStr(
        ((CurTick - StartTick) / CurProgress) * (MaxProgress - CurProgress))]);
  end;
end;

这篇关于如何显示完成百分比，经过时间和估计时间进度?的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！