2024 Delphi form lock

Delphi form lock

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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 ... 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.

Delphi - passing variables to another form (without global variables ...

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 ... 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 … how to write a project plan template

multithreading - Delphi Queue and Synchronize - Stack Overflow

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. 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. WebJul 8, 2013 · Set the PopupParent of child form = ParentForm procedure TParentForm.Button1Click (Sender: TObject); begin ParentForm.Enabled:=False; with Tform1.create (nil) do show; end; procedure TForm1.FormClose (Sender: TObject; var Action: TCloseAction); begin ParentForm.Enabled := true; form1.free; end; Share … orioles orange rgb

SVN for Delphi Developers - Stack Overflow

Delphi: Changing the Button Color using a Class Helper

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 … 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 … how to write a proof discrete mathWebApr 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 … how to write a proof math

"WebAug 8, 2012 · Also, this code may or may not work depending on the value of the TApplication.ShowMainFormOnTaskbar property. The code is manipulating the TApplication window, which will only work if ShowMainFormOnTaskbar is false. When it is true instead, you have to manipulate the TForm window instead.ShowMainFormOnTaskbar … " - Delphi form lock

Delphi form lock

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

WebMar 23, 2015 · Some objects have built-in locking that prevents the execution of other threads from using that object instance. For example, canvas objects ( TCanvas and descendants) have a Lock method that prevents other threads from accessing the canvas until the Unlock method is called. 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 …

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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 … 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 ...

WebJan 26, 2009 · How to prevent form from being resized in Delphi? Ask Question Asked 14 years, 2 months ago Modified 6 years ago Viewed 8k times 3 How do I prevent my form from being resized? I don't want it to be maximized (which can be toggled via the property editor), but I don't want anyone to be able to drag-resize it. 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 …

WebStep 1: Show the Developer tab on the ribbon. Right click on any of the ribbon commands. For example, right click on Home and then click Customize the Ribbon. Open Customize the Ribbon dialog. Select Developer on the Main Tabs box and click OK. 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.

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 …

http://www.delphigroups.info/2/a3/420253.html how to write a promissory letterWebFeb 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 … how to write a project thesis how to write a project proposal timelineWebMar 6, 2016 · Adapun langkah - langkah nya adalah sebagai berikut ; 1. buka aplikasi delphi anda. 2. buatlah sebuah project di delphi anda. 3. … how to write a promotion proposalWebJul 30, 2014 · Lock orientation for one form in delphi xe6 Ask Question Asked 8 years, 8 months ago Modified 8 years, 8 months ago Viewed 3k times 3 Anyway to lock orientation to per se Portrait for only a specific form and not the whole application? Using Delphi xe6, for iOS. Can't seem to find anything by googling. Thank you! Update: how to write a project charter templateWebSep 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 … how to write a proof in latexWebJan 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 … how to write a prompt in python