Lajos Juhász
Members-
Content Count
996 -
Joined
-
Last visited
-
Days Won
12
Lajos Juhász last won the day on June 21
Lajos Juhász had the most liked content!
Community Reputation
295 ExcellentTechnical Information
-
Delphi-Version
Delphi 12 Athens
Recent Profile Visitors
The recent visitors block is disabled and is not being shown to other users.
-
Mobile platforms are changing very fast. Sometimes it is difficult for Embarcadero to provde a solution in a reasonable time frame when the new requirements are released to be able to continue to compile for new versions. Unfortunately nowdays Delphi support too many platforms. They are playing catch up games against other products. Delphi is by rule almost always way behind.
-
It is in lines property,
-
(In theory) you can use the TXMLDocument if you select a cross platform DOM vendor. (https://docwiki.embarcadero.com/RADStudio/Alexandria/en/Using_the_Document_Object_Model)
-
At the second row is not the end of the dataset, eof is going to be true when you call next on the last row. You can check recno or a value of the group field.
-
procedure TForm1.FormCreate(Sender: TObject); begin Var Boy: string; Girl: string; Couple: string; end; For those who doesn't have a modern compiler. Of course inline var is not a block thus it will produce errors: [dcc32 Error] Unit1.pas(29): E2003 Undeclared identifier: 'Girl' [dcc32 Error] Unit1.pas(29): E2029 '(' expected but ';' found [dcc32 Error] Unit1.pas(30): E2003 Undeclared identifier: 'Couple' [dcc32 Fatal Error] Project1.dpr(5): F2063 Could not compile used unit 'Unit1.pas' Failed
-
You have to select a checkbox during the install process (Technology - Teechart standard). Unfortunately Embarcadero has licenced the product without the source code. I did not noticed problems with the Teechart.
-
Resizing Object Inspector Pane in 12.2p2
Lajos Juhász replied to Attila Kovacs's topic in Delphi IDE and APIs
I can shrink it like this: -
Set the transparent property to false: var num: TStaticText; begin num:=TStaticText.create(self); num.parent:=self; // rect:=wc.boundsrect; // num.caption:=' '+inttostr(lastnumnum)+' '; num.caption:=' Test'; num.font.name:='Arial'; num.font.color:=clred; num.Transparent:=false; end; Edit. You have to use StyleElement only if your application is using VCL Styles.
-
This was written by Copilot. I can not test the code as I do not have the iOS units installed on my system. To change the screen brightness on iOS using Delphi, you can use the UIScreen class from the iOS API. Here's a basic example of how you can achieve this: 1. Import the necessary iOS units: uses iOSapi.UIKit, iOSapi.Foundation; 1. Set the screen brightness: procedure SetScreenBrightness(Brightness: CGFloat); begin UIScreen.mainScreen.setBrightness(Brightness); end; 1. Call the procedure with the desired brightness level: begin SetScreenBrightness(0.5); // Set brightness to 50% end; In this example, UIScreen.mainScreen.setBrightness is used to set the brightness level. The brightness value should be between 0.0 (minimum brightness) and 1.0 (maximum brightness)https://www.reddit.com/r/iOSProgramming/comments/whtu5q/is_there_a_way_to_control_screen_brightness/https://forums.developer.apple.com/forums/thread/717234. Would you like more details on integrating this into a full application?
-
How to refer to a single value from an enumerated type declared in a set type?
Lajos Juhász replied to PiedSoftware's topic in RTL and Delphi Object Pascal
OP is on older version of Delphi 10.4 your example is Delphi 12.- 7 replies
-
- pascal
- enumerate type
-
(and 1 more)
Tagged with:
-
How to get the version of Delphi that the App is built with?
Lajos Juhász replied to Ian Branch's topic in General Help
Embarcadero could have that: https://docwiki.embarcadero.com/Libraries/Athens/en/System RTLVersion RTLVersion: Comp = 36; RTLVersion121 RTLVersion121: Boolean = True; RTLVersion122 RTLVersion122: Boolean = True; RTLVersion123 RTLVersion123: Boolean = True; -
Cannot pass a procedure to another
Lajos Juhász replied to dormky's topic in RTL and Delphi Object Pascal
program Project1; {$APPTYPE CONSOLE} {$R *.res} uses System.Classes, Winapi.Windows; type TMyRecord = class data: Integer; class procedure Queue(const AThread: TThread; AMethod: TThreadProcedure); end; class procedure TMyRecord.Queue(const AThread: TThread; AMethod: TThreadProcedure); begin OutputDebugString(PChar('In TMyRecord.Queue')) end; begin TThread.Queue(nil, procedure begin OutputDebugString(PChar('Hello !')) end); TMyRecord.Queue(nil, procedure begin OutputDebugString(PChar('Hello !')) end); end. It should be TThreadProcedure not method. -
FireDAC is very strict. When I have moved projects from BDE and DBX that involved a lot of changes.
-
Double, default value
Lajos Juhász replied to Skrim's topic in Algorithms, Data Structures and Class Design
As a result it can not be assigned to an event. -
You can set the datatype before prepare qryWork.Params[0].DataType:=ft...... the data type of field1.