Delphi form lock

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WebDec 9, 2013 · One thing you can't do in "regular" WinForms (without getting into low-level Window Events and using Platform Invoike) is to have constant (incremental) tracking of … WebApr 3, 2024 · Locks are intended to protect access to data. The above pattern is often incorrectly used to protect access to an object. But once the calling code is able to start using the object, you're already outside the lock. I.e the underlying data of the object is no longer protected from concurrent thread access.

How to prevent form from being resized in Delphi?

WebFeb 17, 2024 · 1 Answer Sorted by: 27 The difference between queue and synchronize is that Synchronize () puts the call in a queue and waits for that call to be completed and Queue () puts the call in the queue and directly returns control to the thread. WebDec 9, 2011 · 1 Answer. Sorted by: 2. You can use TCriticalSection ( SyncObjs unit): put the Write between Enter and Leave: CriticalSection.Enter; try ASocket.Connection.Socket.Write (buf); finally CriticalSection.Leave; end; The methods Acquire and Release do the same ( doc ). Important: if you write to the socket at multiple points of your code, you must ... 地図うきは市

Delphi - Is there any equivalent to C# lock? - Stack Overflow

WebSep 15, 2013 · In the parent form, I have a class helper to change the color of buttons. Here is the code: (I am using Delphi 2007) TButtonHelper=class helper for TButton private procedure doChangeColor; public procedure DrawChangeColor; end; TParentForm = class (TForm) public procedure AfterConstruction; override; end; And in the implementation … WebJan 13, 2024 · SettingForm := TSettingForm.Create (Self); SettingForm.ShowModal; When the setting form is done (closed), ShowModal returns and mainform can access any filed (variable) or property of the setting form, before destroying it: ShowMessage (SettingForm.SomeVariable.ToString); SettingForm.Free; Another way to do is to use an … WebOct 28, 2009 · Newer Delphi versions have added two new properties to TCustomForm: PopupMode and PopupParent. Setting PopupParent of your modal dialog to the form that's creating that dialog makes sure that the child form stays on top of it's parent. It usually fixes the problem you're describing. 地図ウズベキスタン

Delphi form lock

tform - Delphi disable form while loading - Stack Overflow

WebMay 15, 2014 · Here is some boilerplate code, which demonstrates modal window behaviour in Delphi:. procedure TMain.Button1Click(Sender: TObject); var Result: TModalResult; begin { if Dialog is not in "auto-create forms" list - instantiate it } if not Assigned(Dialog) then Application.CreateForm(TDialog, Dialog); { MODAL forms are blocking input on per … WebJun 26, 2015 · You can enable "Lock controls" from the "Edit" menu, then it won't move when you click it, but it will of course remain locked also at the second click. However, at least it will save you from the accidental moves just because you need to select the control Share Improve this answer Follow answered Jun 26, 2015 at 6:38 Hans 2,210 12 33

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WebFeb 18, 2012 · That was the basic dock function. If you run your program, show the Form2 and drag that form over the docksite, it should dock at that site. You can even undock it by grabbing the "caption" as you have seen in the IDE. For me, that method moves the dockable form very slowly. However, Zibadian's answer continues to describe how the … WebSep 26, 2013 · 0. While I am fully in line with the commenters, that it is not a good idea to block user input with a full screen form, here is some code to get you started. The code assumes a screen size of 1920 x 1200. unit Unit152; interface uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, ExtCtrls; type TForm152 ...

WebMar 7, 2014 · Description. I have a Delphi XE2 application with one of its forms stretched across two monitors. When I lock Windows, wait until the screen saver gets activated und then unlock windows, all of my application's forms will be resized/ repositioned to fit onto each monitor (which is obviously a default Windows behavior and applies to most … WebMar 6, 2016 · Adapun langkah - langkah nya adalah sebagai berikut ; 1. buka aplikasi delphi anda. 2. buatlah sebuah project di delphi anda. 3. …

WebJun 11, 2010 · 11. There is no equivalent in Delphi 6. As of Delphi 2009, you can use the System.TMonitor methods to grab locks on arbitrary objects. System.TMonitor.Enter (obj); try // ... finally System.TMonitor.Exit (obj); end; (You need the "System" prefix because the TMonitor name conflicts with the type in the Forms unit. WebNov 2, 2024 · The former displays the clock, the latter a textbox for the password. Likewise a separate service can be chosen instead of the "login" screen, but not both in parallel. I am pretty sure that TeamViewer interact with the Lock/Login screen. Same goes for Anydesk, and row of similar applications. So, there should be a way.

WebSep 13, 2009 · how to lock a control in delphi form designer. hi, everyone. I wonder how to lock a control in the form designer. I'm using Delphi. 2006, it's found in visual studio, I …

WebMay 5, 2009 · Start a timer for two seconds and tell the picture control to refresh. When the timer goes off, hide the bullet picture. If you want to animate the fade out, just replace the picture with different ones at different times using the timer going off at different times. At 0 seconds make picture visible. bmw バイク r18 価格WebApr 8, 2024 · The default Delphi code that handles moving controls would delay painting until the next WM_PAINT message is received, and that would happen when the … bmw バイク r1200rs 評価WebJan 17, 2024 · Name the second form "TLoginForm" and remove it from the "Auto-Create Forms" list. Save the unit as "login.pas". Add a Label, Edit, and Button on the form, followed by a class method to create, show, and … bmw バイクオイル交換自分でWebJan 19, 2012 · To counter this I have added a timer to the main form and start it on the main forms onshow event the timer calls the function to do the tasks / create and show the modal form. So now the main form appears before the modal form. However I cannot see this being the best solution and was wondering if anyone could offer a better one. I am using ... bmw バイクオイル交換費用WebOct 14, 2011 · 5.If I commit the Delphi form (.pas & dfm) and found some one already updated the version before, how do you resolve the conflict if there some new controls and events added to that form and unit (this require Delphi developer with svn). svn delphi version-control tortoisesvn Share Improve this question Follow edited May 23, 2024 at … bmw(バイクスマートキー使い方)WebOf course you could use the read-only flag, and a version control system provides additional means particulay of seeing that such a modification has occured. What I'd really like … bmw バイク中古兵庫WebFeb 25, 2024 · When you allow a user to move and resize controls on Delphi form, at run-time using the mouse, to fully mimic the design-time environment, you should add eight size handles to the control being resized. Cite this Article Format. mla apa chicago. Your Citation. Gajic, Zarko. "How to Move and Resize Controls at Run Time (in Delphi … 地図オアシス