This sample shows how to use FireMonkeyimage lists. In theUsing TImageList Image Lists as Centralized Collections of Imagestutorial, this example is used:
Todemonstrate how to usetheImage List Editor.To describe the code implementing theActnNextImageExecuteevent handler of theOnExecuteevent assigned to theAdd New…
It displays a picture, which the user can rotate by pressing it with two fingers and rotating them. The image rotates in the direction that your fingers are pointing. The image rotates to the right when the fingers are rotated to the right. The image rotates to the left when…
Fast Inverse Square Root in Delphi's Object Pascal
January 9, 2021
Does Delphi make you a better programmer? Is Object Pascal code more readable?
There is an algorithm with a mystery constant that rose to fame in John Carmack’s Quake III Arena C code for quickly estimating the inverse square root of a 32-bit floating-point…
This sample demonstrates how to use the filter feature ofTFDQuery.
To this end, the sample implements different preset filters. Moreover, you can edit your own filtering condition andapply the filter to a datasetin order to search for specific records.
Location
You can find theFiltersample project at:
Start | Programs | Embarcadero RAD Studio Sydney |…
Build Powerful Master-Detail Relationships With Centralized Cached Updates In Delphi
January 7, 2021
First, theCentralizedCachedUpdatessample sets up range-basedmaster-detail relationshipsbetween datasets using twoTFDQueryobjects. Then, the sample shows you how to use aTFDSchemaAdapterobject to enable theCentralized…
TheMoniLayerClientssample shows you how to use the FireDACtracing and monitoringcapabilities to show how an application is communicating with a FireDAC monitor client. To this end, the sample uses two different FireDAC monitor clients: FlatFile-client…
ThexDBMSsample shows you how use theTFDLocalSQLclass to implement a cross-DBMS query application. To this end, each queryable dataset must be registered with theLocal SQL engineusing theDataSetscollection property.Note: The Local SQL feature allowsexecuting SQL commands, where theTDataSetdescendants are used instead of the database…
Easily Improve Your Productivity With The Delphi Dev Shell Tools Windows Shell Extension
January 4, 2021
This Windows Shell Extension contains really useful tasks for Object Pascal developers. It creates right click options in Windows Explorer that really help you work with your Delphi projects to their fullest and save massive amounts of time. Go through the features and…
The Sample is using the “Custom” list view item appearance value and configuring the appearance properties of list view items at design time. It also shows how to do this at run time.
When you run the application, it shows a list view. Each list item shows a…
Learn How to Asynchronously Execute SQL In Delphi With FireDAC
January 2, 2021
TheAsyncsample shows you how to use theIFDPhysCommandinterface to configure the differentasynchronous execution modes. To this end, the sample uses a group of four radio buttons. Each radio button sets theOptions.ResourceOptions.CmdExecModeproperty of theIFDPhysCommandinterface to one of the following execution…