zarkogajic Profile
zarkogajic
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VOTEDelayed Close Programmatically Dropped TComboBox (If Mouse NOT Over Combo and Combo’s List) Using Multi Threading
zarkogajic
The Combo Box Windows control (aka TComboBox in Delphi) is one of the most frequently used user interface elements along with buttons and edits in Windows applications. TComboBox control represents an edit box with a… – Details…
5 months ago in delay, Delphi, tcombobox, ttask, windows api
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Cancellable Parallel Tasks With Modal Progress Dialog, i.e., On Delphi’s TTask, PPL, ThreadPool, WaitAll with Progress and the rest
zarkogajic
Quite some time has passed since working with multiple threads was introduced in Delphi (Delphi 2, way back in 1996). The TThread class at that time was a very lightweight wrapper around the Windows CreateThread… – Details…
8 months ago in Delphi, modal window, PPL, threading, tprogressbar, ttask
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Receive Windows Messages In Your Custom Delphi Class – NonWindowed Control/Object
zarkogajic
Windows messages are a key ingredient in communication between Windows and (your) application and also in communication between (two) applications. Even without your knowledge Windows messages are being posted and handled by forms in your… – Details…
11 months ago in Delphi, twincontrol, windows, windows api, windows messages
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Partially Reimplementing / Overriding Interface Implementation
zarkogajic
In Delphi, the reserved word “interface” has two distinct meanings. In a Delphi unit, “interface” denotes the start of a unit section used to declare public constants, data types, variables, procedures and functions visible and… – Details…
1 year ago in com, Delphi, interface, oop, override, reimplement. class
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Implementing SelectDelay for TComboBox – Postpone Event Handler Execution in Delphi
zarkogajic
Delphi’s TComboBox combines an edit box with a scrollable list – with the Style property defining the display style of the combo. When set to csDropDownList there’s no edit box – users can only pick… – Details…
1 year ago in delay, Delphi, interceptor, tcombobox, timers
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Deleaker – Memory Leaks Hunter (Add-On for RAD Studio)
zarkogajic
One of the common problems we programmers face (and hopefully we are aware of) are memory leaks, or leaks of any other kind of resources. For example, Windows limit the number of GDI or USER32… – Details…
2 years ago in Delphi, memory, memory management
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Dim Out the Main Form of an Application When a Modal Form (/Dialog) is Displayed
zarkogajic
Dialog windows you use to display critical information to the user are, in most cases, displayed modally. A modal window (form) is the one where the application can’t continue to run until the modal window… – Details…
2 years ago in Delphi, dialogs, messagedlg, TApplicationEvents
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Memory 3D – Full Source Code Delphi Game
zarkogajic
“If you want it to be playable and more interesting you need to jazz it up a bit!” That’s what’s been cooking in my head from the time I’ve finished implementing the back end for… – Details…
2 years ago in Delphi, games, memory, oop, tgridpanel, timage, User Interface
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Run Your Delphi Application in Full Screen – Implement “F11 – Full Screen”
zarkogajic
I guess you know you can run your browser in full screen mode using the F11 shortcut key. Windows Explorer also supports this feature. Running in full screen, where an application UI covers the entire… – Details…
3 years ago in Delphi, menus, tmonitor, tscreen, typed constant
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Setting MaxLength for TListView’s Edit Control (Plus: Forcing Edit Mode Using a Keyboard Shortcut)
zarkogajic
The TListView Delphi control displays a list of items in a fashion similar to how Windows File Explorer displays files and folders. The ReadOnly property of a List View, determines whether the user can modify… – Details…
3 years ago in Delphi, tlistview, windows messages
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Coding a Game of Memory in Delphi – The User Interface
zarkogajic
In my previous post, Coding a Game of Memory in Delphi – OOP Model, I’ve been developing the model, aka the back end, for the Memory (Match Up, Concentration, …) game. The idea was to… – Details…
3 years ago in Delphi, games, oop, tgridpanel, User Interface
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Coding a Game of Memory in Delphi – OOP Model
zarkogajic
Memory, Match Up, Concentration … there are many names for a simple card game I’m certain you’ve been playing with your friends at some point during your childhood. I’m also certain you are still playing… – Details…
3 years ago in Delphi, games, oop
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