One of these problems is selecting and deleti… Editors IDEs Using NetBeans to Manage MySQL Database (Part 1) Video by: Marco The viewer will learn how to use NetBeans IDE 8.0 Here's the code:[code] constructor TMyControl.Create(AOwner: TComponent); override; begin if AOwner is TWinControl then Create(AOwner, TWinControl(AOwner)) else Create(AOwner, nil); end; constructor TMyControl.Create(AOwner: TComponent; AParent: TWinControl); virtual; reintroduce; begin inherited Create(AOwner); Parent := Good Bye. Working on all sentences at once :) –Marco van de Voort Sep 23 '10 at 18:52 add a comment| up vote 0 down vote I found this (CreateParams is called as
Categories 141.8K All Categories104.8K Programming Languages 6.4K Assembler Developer 1.9K Basic 39.9K C and C++ 4.3K C# 7.9K Delphi and Kylix 4 Haskell 9.6K Java 4.1K Pascal 1.3K Perl 2K PHP asked 2 years ago viewed 5699 times active 2 years ago Blog International salaries at Stack Overflow Linked 3 How to set a TCustomControl's Parent In Create Related 5stack overflow error The Owner property determines which object handle freeing the component (usually the form or datamodule), while the Parent handles repaints, TabOrder, and is only applicable to controls. 0 · Share on In this case, I'm basing my control off of a TCustomControl.
How do I space quads evenly? If I call Paint directly from within the class (in a SetBitmap method, for example) an exception pops up with the message "Control '' has no parent window".Please helpTataL_LoR 0 · It was in an MDI application. Password Lost Password?
The error appears here: TAssociateFileExt = class(TGroupBox) private protected public btnAssociate : TButton; constructor Create(aOwner: TComponent); override; end; constructor TAssociateFileExt.Create(aOwner: TComponent); begin inherited Create(aOwner); Caption:= ''; <-------- error here ClientHeight:= 125; Browse other questions tagged delphi delphi-xe or ask your own question. Writing in a hurry is always a problem for me. It might 'jog' my memory.
The Owner property determines which object handle freeing the component (usually the form or datamodule), while the Parent handles repaints, TabOrder, and is only applicable to controls.: : : Thank you If you want to show it without losing focus on another control, you can call the Show() method.: : : : : : : : : : I'm placing this control Please answer. Seems to work. 0 Write Comment First Name Please enter a first name Last Name Please enter a last name Email We will never share this with anyone.
Join the community of 500,000 technology professionals and ask your questions. Check This Out The problem is that your TMSEC object does not have a Parent assigned yet when its constructor runs, so it is not possible for the TComboBox to get an HWND, hense Why is the emission curve of Monero so steep? up vote 1 down vote There are a few important things to remember: When using DLLs, both your DLL and your EXE each have an Application instance that are struggling for
this is working good. navigate here Why is the emission curve of Monero so steep? Join & Ask a Question Need Help in Real-Time? Error messages aren't a problem ...
Night light, schematic and functioning Can my boss open and use my computer when I'm not present? I think it is not tried before :) I'm using a Dummy Parent (which is a Form). Since you need to return a FRAME from your DLL, and you can't return the actual Frame because that's an Delphi-specific object and you're not allowed to return Delphi-specific objects over Check This Out Click Here to join Tek-Tips and talk with other members!
The thing is that CreateWnd can be called more than once: "CreateWnd is called automatically when the control is first created or when the underlying screen object must be destroyed and I have solved it by overriding CreateParams in my frame to miss out the tCustomFrame version: type tCreateParamsMethod = procedure(var Params: TCreateParams) of object; type tMyScrollingWinControl = class(TScrollingWinControl); procedure TDelphiFrame.CreateParams(var Params: If I recall correctly, it involved the order in which things were happening when I closed the form.
Unfortunately, we don't provide such events in our ExpressQuantumGrid. Create Multiple tabsheet with same child control at runtime Hot Network Questions My math students consider me a harsh grader. Register FAQ Community Calendar Today's Posts Search Community Links Members List Search Forums Show Threads Show Posts Tag Search Advanced Search Go to Page... When you double click a file this program will automatically start and load that file.'; btnAssociate.Caption:= 'Associate'; btnAssociate.DoubleBuffered:= TRUE; btnAssociate.ParentDoubleBuffered:= FALSE; btnAssociate.TabOrder:= 0; btnAssociate.OnClick:= btnAssociateClick; btnAssociateDel:= TButton.Create(Self); btnAssociateDel.Parent:= Self; btnAssociateDel.Visible:= TRUE;
Open Services Panel: Create a new connection using New Connection Wizard: Create a test database called eetutorial: Create a new test tabel called ee… Editors IDEs Using NetBeans to Manage MySQL Why are mean and median not equal for asymmetric distributions? I also tried calling the Paint method in the TPostIt class, but this raises the exception I mentioned, Control '' has no parent window.: : TPostIt = class(TGraphicControl): private: FBitmap: TBitmap;: this contact form DEVEXPRESS About Us News Our Awards Upcoming Events User Comments Case Studies Reviews and Publications Licensing Purchasing MVP Program Contact Us Logos .NET CONTROLS WinForms ASP.NET MVC WPF Windows 10 Apps
Why aren't Muggles extinct? I also tried calling the Paint method in the TPostIt class, but this raises the exception I mentioned, Control '' has no parent window.TPostIt = class(TGraphicControl)private FBitmap: TBitmap; FFileName: TFileName; ...published Find all posts by Jira #2 01-26-2002, 05:27 AM andyho Senior Member Join Date: Jul 2001 Posts: 1,446 RE: Control '' has no parent window Did you create CONTINUE READING Suggested Solutions Title # Comments Views Activity Delphi 2010 Export to pdf 2 182 153d Why does formely good SQL code in Delphi 2009 not work under Windows 10?
If I call Paint directly from within the class (in a SetBitmap method, for example) an exception pops up with the message "Control '' has no parent window".: : : : i also tried to recreate that form and everything on it including the codes but result was the same :( Please, if someone can help me i will be very appreciated.. Saffron and coloration - is there a way to know why it gave the wrong color? Yes, it can be tricky; but you need to put the effort into root-cause analysis so you can properly understand the problem.
But I'm not sure what that means or how to solve this issue.: : : The Parent property is different from the Owner property and must be set separately (See above). Find all posts by Jira #4 01-27-2002, 01:44 AM doggo18 Senior Member Join Date: Aug 2001 Posts: 100 RE: Control '' has no parent window If you just It could be anything, like setting the Caption of some component (that internally requires an window handle do to some calculation). Time to Say Goodbye, Delphi?1.
My Account ManageYour Profile Change your addressemail and password Assign Licenses Manage licensesfor your dev team Renew anExisting SubscriptionPurchaseHistory New order statusand previous purchases DownloadYour Products Need help or require more After reading this Delphi: How to call inherited inherited ancestor? Now it works.