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Why PPI reported by Delphi is different from the calculated one?
I use Delphi 10.3 Rio, and need to know the screen PixelsPerInch ratio to scale my application accordingly.
Calculating with the formula, my screen has 142 ppi. (Real values are: 15.5" diagonal a...
Marus Gradinaru
Votes: 0
Answers: 1
How Delphi Sydney 10.4 connect to a third-party build-in bluetooth printer with JAR SDK
My project:
My task is it to built an Android/IOS Application that can connect with Bluetooth Printer and print receipt.
My JAR file:
I had download it from the manufacturer website with the filename ...
Chee Haw Kerk
Votes: 0
Answers: 0
Delphi VCL app, how to disable the default behavior of a KeyDown event?
While I was reading code, I found that in the KeyDown event you can set Key := 0; to stop processing the event any further. For example: TIncrementalForm.FormKeyDown is coded as:
procedure TIncrementa...
Fajela Tajkiya
Votes: 0
Answers: 2
TPDFImage.LoadFromFile makes printer screen show up and cuts off the rest of the function's execution
I am aiming to convert a PDF to JPEG, so I can show it in an image viewer that is embedded in my Delphi program. Here is the code for my function:
function TAnexo.loadFilePdf(AFile:String): Boolean;
V...
Pedro Zandonadi Menzel
Votes: 0
Answers: 0