Merlin’s Delphi Forge

Let’s say you have a data entry form or a MP3 ID3 tag editor form. The user clicks the “Clear” button. The more edit controls you have the less you want to write the code to clear them Well, here’s a better idea:

procedure TMainForm.btnClear(Sender: TObject);
var
iI: Integer;
begin
for iI := 0 to [...]

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There are two ways to determine the screen’s height and width.
1) Use the global Screen variable.

uses
Forms;
…
Screen.Height { Screen height in pixels }
Screen.Width { Screen width in pixels }
…
2) Use the Windows API GetSystemMetrics() function. This function can be useful in applications that don’t use the VCL like [...]

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