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Inno Setup Disable Next button using multiple validation expressions (when input value matches one of multiple values)


Inno Setup Disable Next button using multiple validation expressions (when input value matches one of multiple values)

By : user2185663
Date : November 22 2020, 04:01 AM
Any of those help If I understand you correctly, you are asking how to combine multiple logical expressions into one. Use boolean operators, particularly and operator.
code :
procedure ValidatePage;
begin 
  WizardForm.NextButton.Enabled :=
    (CompareText(InputPage6.Values[EditIndex2], 'EX12345') <> 0) and
    (CompareText(InputPage6.Values[EditIndex2], 'EX54321') <> 0);
end;
procedure ValidatePage;
var
  Value: string;
begin 
  Value := InputPage6.Values[EditIndex2];

  WizardForm.NextButton.Enabled :=
    (CompareText(Value, 'EX12345') <> 0) and
    (CompareText(Value, 'EX54321') <> 0);
end;


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Verifying serial number against multiple values in Inno Setup

Verifying serial number against multiple values in Inno Setup


By : Markus W.
Date : March 29 2020, 07:55 AM
will help you It didn't work as expected because you were overwriting the CanContinue value by the second line of code which led to work only for the second serial number.
You should store the returned value of the GetSerialNumber function to some local variable to avoid multiple function calls and use the or operator in the statement. Something like this (I've also removed the extra CanContinue variable, which was not much useful here):
code :
procedure OnSerialEditChange(Sender: TObject);
var
  S: string;
begin
  { store the returned value to the local variable to avoid multliple calls }
  S := GetSerialNumber('-');
  { enable the NextButton only when the serial number matches either first }
  { OR the second serial number string }
  WizardForm.NextButton.Enabled :=
    (S = '62FFU-GA4N8-T8N6W-WLQJW-N6WLQ-AJKD6') or
    (S = 'TEST1-RANDO-MFAKE-THING-YBLAB-BLA55');
end;
How to disable Next button if no component is selected in Inno Setup?

How to disable Next button if no component is selected in Inno Setup?


By : SGDog
Date : March 29 2020, 07:55 AM
hope this fix your issue There's no easy way to update the Next button state on component selection change.
A way easier is to display a message when the Next button is clicked:
code :
function NextButtonClick(CurPageID: Integer): Boolean;
begin
  Result := True;

  if CurPageID = wpSelectComponents then
  begin
    if WizardSelectedComponents(False) = '' then
    begin
      MsgBox('No component selected', mbInformation, MB_OK);
      Result := False;
    end;
  end;
end;
var
  TypesComboOnChangePrev: TNotifyEvent;

procedure ComponentsListCheckChanges;
begin
  WizardForm.NextButton.Enabled := (WizardSelectedComponents(False) <> '');
end;

procedure ComponentsListClickCheck(Sender: TObject);
begin
  ComponentsListCheckChanges;
end;

procedure TypesComboOnChange(Sender: TObject);
begin
  { First let Inno Setup update the components selection }
  TypesComboOnChangePrev(Sender);
  { And then check for changes }
  ComponentsListCheckChanges;
end;

procedure InitializeWizard();
begin
  WizardForm.ComponentsList.OnClickCheck := @ComponentsListClickCheck;

  { The Inno Setup itself relies on the WizardForm.TypesCombo.OnChange, }
  { so we have to preserve its handler. }
  TypesComboOnChangePrev := WizardForm.TypesCombo.OnChange;
  WizardForm.TypesCombo.OnChange := @TypesComboOnChange;
end;

procedure CurPageChanged(CurPageID: Integer);
begin
  if CurPageID = wpSelectComponents then
  begin
    ComponentsListCheckChanges;
  end;
end;
Inno Setup Disable Next button when input is not valid

Inno Setup Disable Next button when input is not valid


By : Omar Andrés Jiménez
Date : March 29 2020, 07:55 AM
it helps some times Implement the input box OnChange event. You will also need to make sure the button state is updated, when the custom page is activated. You can use OnActivate event for that (or CurPageChanged event function).
code :
var
  Page: TInputQueryWizardPage;

procedure ValidatePage;
begin
  WizardForm.NextButton.Enabled := (CompareText(Page.Values[0], 'Admin') = 0);
end;  

procedure EditChange(Sender: TObject);
begin
  ValidatePage;
end;

procedure PageActivate(Sender: TWizardPage);
begin
  ValidatePage;
end;

procedure InitializeWizard();
begin
  Page := CreateInputQueryPage(...);
  { To disable the Next button initially [when box is empty] }
  Page.OnActivate := @PageActivate;
  Page.Add(..., False);
  { Update Next button state on any input change (typing, copy&paste, whatever) }
  Page.Edits[0].OnChange := @EditChange;
end;
jquery bootstrapValidator : sum of multiple input values and if not equal other input fileds disable submit button

jquery bootstrapValidator : sum of multiple input values and if not equal other input fileds disable submit button


By : user3433539
Date : March 29 2020, 07:55 AM
may help you . I'm not sure if I correctly understood your question. However, I've prepared a sample snippet for you just in case if my assumption was right. Well, you have to move your total variables outside from event scope and perform simple check after these events occurs. Smth like:
code :
let totalSum = 0;
let totalExpense = 0;
$('.source').on('input', '.prc', function() {
  totalSum = 0;
  $('.source .prc').each(function() {
    var inputVal = $(this).val();
    if ($.isNumeric(inputVal)) {
      totalSum += parseFloat(inputVal);
    }
  })
  $('#sourceSum').text(totalSum);
  checkSubmitBtn();
});
// console.log(totalSum+" self_inital and loan values");
$('.expense').on('input', '.pr', function() {
  totalExpense = 0;
  $('.expense .pr').each(function() {
    var inputVal = $(this).val();
    if ($.isNumeric(inputVal)) {
      totalExpense += parseFloat(inputVal);
    }
  })
  $('#totalExpense').text(totalExpense);
  checkSubmitBtn();
});
//$('form[data-toggle="validator"]').bootstrapValidator();
checkSubmitBtn();


function checkSubmitBtn() {
  $('#submitBtn').prop('disabled', totalExpense != totalSum || (totalSum == 0 || totalExpense == 0));
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
</div>
<div class="form-group expense">
  <label for="working_capital">Working Capital</label> <input type="text" name="working_capital" value="" class="form-control pr" id="working_capital" required="required" placeholder="" />

</div>
<div class="form-group">
  <label>Total</label> <span id="totalExpense"></span>

</div>

</div>

<div class="source_income">

  <div class="form-group source">
    <label for="self_inital">Own Equity</label>
    <input type="text" name="self_inital" value="" class="form-control prc" id="self_inital" placeholder="" required="required" />
  </div>

  <div class="form-group source">
    <label for="loan">Loan</label> <input type="text" name="loan" value="" class="form-control prc" id="loan" placeholder="" />

  </div>
  <div class="form-group">
    <label>Total:</label> <span id="sourceSum">  </span>
  </div>

  <input type='button' value='Submit' id='submitBtn' />

</div>
Inno Setup Disable cancel button during installation

Inno Setup Disable cancel button during installation


By : y0tta
Date : March 29 2020, 07:55 AM
I wish did fix the issue. Set AllowCancelDuringInstall directive to no.
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