TObject.InstanceSize returns 8, yet TObject doesn't declare any data members. According to the implementation of TObject.ClassType, the first 4 bytes can be explained as a pointer to the object's TClass metadata. Anyone know what the other 4 bytes of overhead are there for? EDIT: Apparently this is specific to D2009. In older versions...
I have a procedure that expects a parameter of type TObject, something like this: MyProcedure (const AValue : TObject); I have an array of Variant that I'm looping through to call the procedure, something like this: for i:=0 to High(myArray) do MyProcedure (myArray[i]); The compiler gives an error saying: "Incompatible types:...
Hi guys, how can i make my code to work ? :) i`ve tried to formulate this question but after several failed attempts i think you guys will spot the problem faster looking at the code than reading my 'explanations'. thank you. setCtrlState([ memo1, edit1, button1], False); _ procedure setCtrlState(objs: array of TObject; bState: boo...
Hi, I'm currently working with CodeGear Delphi 2007 under Vista. My application returns out of memory error during some rather heavy calculations. The .exe files grows from 150 Mb to an amazing 2 Gb (! LOL ) Regarding this issue: 1) I'm changing some arrays into arraylist BUT It's giving me some rather difficult issues to re...
I currently have this, and it sucks: type TpointArray = array [0..3] of Tpoint; class function rotationTable.offsets(pType, rotState, dir: integer): TpointArray; begin Result[0] := point(1, 1); Result[1] := point(1, 2); Result[2] := point(1, 1); Result[3] := point(1, 1); end; but instead, i want to do something like this: c...