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Error Cannot Make A Visible Window Modal Delphi


If the form's visible property is True in the IDE, set it to False (in the IDE). Terms of Service Layout: fixed | fluid CodeProject, 503-250 Ferrand Drive Toronto Ontario, M3C 3G8 Canada +1 416-849-8900 x 100 Delphi Pages Forums > Delphi Forum > General Exception: Please click accept if this helps Simon SadMan Software http://www.simes.clara.co.uk simes View Public Profile Send a private message to simes Visit simes's homepage! procedure TMainForm.Button1Click(Sender: TObject); begin ResultsForm := TResultForm.Create(self); try ResultsForm.ShowModal; finally ResultsForm.Free; end; end; for dynamically creating a new form is sound but one should take care to note that the dynamically his comment is here

So, for instance, in TForm2 methods replace button.Parent := Form2; with button.Parent := Self; Likewise, in TForm2 methods, any time you feel compelled to write Form2.Foo, instead write Foo. begin CancelDrag; if Visible or not Enabled or (fsModal in FFormState) or (FormStyle = fsMDIChild) then raise EInvalidOperation.Create(SCannotShowModal); // <-- here ... Best Rgds, Ari Adrianto From: Sierra Spartacus Subject: Re: Cannot Make Visible Window Modal Error NewsGroup: borland.public.delphi.students Date Posted: 11-Apr-2003 at 7:23:1 PST "Ari Adrianto" wrote in message news:[email protected] See more: Delphi I am trying to make a multiforms application by having only the main form created on start up and creating each new additional form dynamically as needed by http://www.codeproject.com/Questions/412005/Access-violation-error-when-for-a-multiforms-appli

Error Cannot Make A Visible Window Modal Delphi

The golden rule is whenever possible limit the scope of the object. You better destroy the form if it is already created. if assigned(frmSMS) then freeandnil(frmSMS); frmSMS:=TfrmSMS.Create(self); try frmSMS.edCell.text := frmSMS.fixnumber(s); frmSMS.showmodal; finally freeandnil(frmSMS); end; Or use a Local form. ANN: NativeDB 1.95 for Sybase SQL Anywhere3. The other two do not with the following message "Cannot make a visible window modal."What is my problem and what is the solution?

What is the bandwidth cost of running a full node? Oh, and if it makes a difference, this in Delphi 7. -- Larry Maturo "Larry Maturo" writes Quote I was working with a new form I created, and all was going At that point it is too early to show the form modally. it is no more visible than it was before I added the button. :-) Any idea what happened?

Roy Lambert Posts: 375 Registered: 10/21/99 Re: Cannot make a visible Window Modal Helpful Reply Posted: Sep 7, 2016 8:06 AM in response to: jenny foster jenny As What should I do? Password Lost Password? http://www.delphigroups.info/2/10/733929.html By the way, I did double check that the forms visibility was set to false in the object, inspector just to make doublely sure it was created invisiblely, and it was.

But you'll need to change the code above from mrYes to the one you selected)And last, make sure you set the modal form's visible property to FALSE...end; RE: Cannot make a New Topic Print Pages: [1] • top « previous next » DonationCoder.com Forum » DonationCoder.com Software » Mouser's Zone » LaunchBar Commander » Cannot make a visible window modal SMF © I would guess the place where the problem is actually occurring is in loadforminfo(frmSMS); Roy Lambert Remy Lebeau (Te... Form_XXXX.ShowModal,from the Main Form.

results form is declared as a global variable of TResultForm. For instance, if you know the parent of the buttons is the form, use ControlCount and Controls[] on the form to find its children. Error Cannot Make A Visible Window Modal Delphi Select View | Project Manager 2. unit Unit2; interface uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls; type TForm2 = class(TForm) Button1: TButton; Button2: TButton; Button3: TButton; procedure FormCreate(Sender: TObject); procedure Button1Click(Sender: TObject); private

I have a problem.. this content The golden rule is whenever possible limit the scope of the object. Create and destroy it in a method. Then you can delete any buttons by calling Free on those buttons.

What is the meaning and etymology of "cod-French" accent? I should add that earlier today I ran both a quick Malwarebytes scan (which I do every day) and a Quick Scan from Microsoft Security Essentials, which I did for no To remove buttons you just call Free on them. http://megavoid.net/error-cannot/error-cannot-change-visible-onshow-onhide.html I added one more button to the form, compiled, and ran the application, and when I invoke the form I get this error message: "Cannot make a visible window modal".

Nijboer52.8K Rate this: Please Sign up or sign in to vote. forms delphi runtime share|improve this question edited Jul 31 '14 at 8:15 asked Jul 31 '14 at 7:37 CiucaS 1,185724 add a comment| 2 Answers 2 active oldest votes up vote All I have to do is creating new form and copy this broken form into new form.

I >added one more button to the form, compiled, and ran the application, >and when I invoke the form >I get this error message: "Cannot make a visible window modal".

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The error comes from ShowModal() itself: Fair enough - after I have developed my time machine I'll go back and tell myself not to fix the problem in the way I Be aware that this does not necessarily mean, that the Form indeed is visible on the screeen, it is sufficient, that the Form is in a state to be visble when Any advice appreciated as I am unable to replicate the error on my system and am reduced to sending the user different versions to try. check over here So you must not call ShowModal there.

Close Box Join Tek-Tips Today! share|improve this answer edited Jul 31 '14 at 9:00 answered Jul 31 '14 at 8:20 David Heffernan 429k27584950 Yes this works, but it doesn't solve my problem entirely as Also I cannot replicate the error on any of my own machines. Close Reply To This Thread Posting in the Tek-Tips forums is a member-only feature.

I create forms at run time using this code: frmSomething := TFrmSomething.Create(Self); -which is equivalent, I have read, to- Application.CreateForm(TFrmSomething, frmSomething). Converting SCART to VGA/Jack (Possibly Easy) Formal Language Question As a non root user, I'm able to delete a file made by root with 0444 permissions?