I have the following simple code to convert a clipboard image to bmp and then to png:
if Clipboard.HasFormat (CF_PICTURE) then
begin
bitmap := TBitmap.Create;
png := TPNGImage.Create;
try
Category: Language
Programming language is a formal language used to define computer programs. It is a standardized communication technique used to issue instructions to a computer. A computer language allows programmers to accurately define the data that the computer needs to use, and precisely define the actions that should be taken in different situations.
Is there a simple way to transplant the Win32 application in Delphi 2009 to .NET?
We hope to migrate from Delphi 7.0 to Delphi 2009 in order to keep pace with modern IDEs and current technologies. Our target platform is .NET. What is the best way to achieve this goal? I will
Delphi – Is there a general E-unfailed exception: exception?
I want to know if there is an exception/error, which will cause your code to jump to an except block but will not be processed by the E: exception.
try
i := StrToInt(s);
{…do a lot more..
Delphi – TListView column sort (sorted by the first two columns)
I use Delphi 2010 and TListView to list names and other data. The first two columns are Last Name&Name
Caption = Last Name
SubItems[0] = First Name
How to sort ListView by these two co
Delphi XE: TDBMEMO text disappears
I have a rather strange problem, I can’t find the document. I have a Delphi program that uses Delphi’s built-in TDBMemo component, because the component needs to extract data from a field in the da
Pit in the regular expression in Lua
When I use OpenResty to write Lua code, I need to use Lua regular expressions, where the pattern is like this,
–Water heater setting time
local s = ’12:33′
local pattern = “(20|21|22|23|[01
Error handling – Lua error handling
I am new to lua.
I tried to use
http://keplerproject.github.io/luafilesystem/examples.html< br>and it throws an error on the inaccessible directory.
This seems to be caused by luaL_erro
Extend the library class with your own method in Delphi Pascal
I would like to know if there is a way to add custom methods for existing/included class components in Delphi Pascal.
I want to use it to look like Rotate StringGrid like this:
StringGr
Lua – ‘End’ expect (close the ‘function’), don’t miss the ‘end’
I received an error saying that the “end” is missing, but I looked at the entire code without seeing it.
local Grid = {}
Grid.__index = Grid
function Grid.new(w, h) do
t = {}
setmetatable(t
Get Lua runtime error in the script
I don’t know how to debug scripts effectively. I need stack output like Python, but Lua/C doesn’t have this by default. I don’t know how to enable it. Or simply put , How to get the error output fr