When writing a Delphi TTimer event, I often disable the timer and re-enable it at the end of the event.
If you dont do this, the OnTimer event could fire again before you have finished processing it.
Continue reading “Disable Delphi TTimer during the OnTimer event”
Download my free software to add hotkeys to the Delphi IDE to increase and decrease the font size in the code editor.
This is a free add-on for Windows File Manager that provides some useful hot keys and features.
Continue reading “Windows File Manager Extension by Scott Hollows”
Change the color of a Delphi FireMonkey panel or make a FireMonkey panel transparent.
Use this FireMonkey panel trick to change the color of a Delphi FireMonkey panel or make a FireMonkey panel transparent
Continue reading “FireMonkey Panel tricks – Panel Color and Transparent Panels”
I needed to create 500 panels on a form for a game that I was assisting another person with … and Delphi was choking. It was taking 20 seconds to do this. Not cool. We had to find a way to speed it up. This is what we did …
Continue reading “Delphi Performance Tuning – Creating 500 Panels on a Form”
I am doing a remote presentation this week on “Displaying and Animating 2D FireMonkey controls in 3D”. This will be at the Australia Delphi User Group’s meeting in Brisbane
You can include dynamic SQL in a SELECT statement in Oracle 12 by using an embedded function. Ill show you how
Continue reading “Dynamic SQL in a SELECT … using an embedded function in Oracle 12”
I recently hit a problem where an object on a form was not visible in Delphi’s Live Bindings Designer. Ill show you how I fixed that
Continue reading “Fix object is not visible in Delphi’s Live Bindings Designer”
Unlike VCL forms, Delphi FireMonkey forms do not have a PopupMenu property. So how can you show a popup menu when the user clicks the Right Mouse Button ?
You have to code it yourself and its pretty easy to do. The tricky bit is converting the X/Y position from the forms local co-ordinate system to global co-ordinates. Ill show you to do that.
Learn how to create the equivalent of an PostCreate / PostOnCreate event that executes just after the form’s OnCreate event has fired.
To do this, we will use an “Immediate Timer”
Continue reading “Immediate TTimer to emulate PostCreate / PostOnCreate event in Delphi”
Scott Hollows - one line at a time 