library Mouse;{ Important note about DLL memory management: ShareMem must be the
first unit in your library's USES clause AND your project's (select
Project-View Source) USES clause if your DLL exports any procedures or
functions that pass strings as parameters or function results. This
applies to all strings passed to and from your DLL--even those that
are nested in records and classes. ShareMem is the interface unit to
the BORLNDMM.DLL shared memory manager, which must be deployed along
with your DLL. To avoid using BORLNDMM.DLL, pass string information
using PChar or ShortString parameters. }uses
SysUtils,Classes,Windows;{$R *.res}Function GetCursorPos(lpPoint:TPoint):longword; stdcall;
external 'user32.dll';type
DGFor3=record
x:longint;
y:longint;
mdc:longint;
end;type
TPoint=record
x:longint;
y:longint;
end;
function MouseDC():dgfor3;stdcall;
var Cur:TPoint;
begin
GetCursorPos(cur);
result.mdc:=WindowFormPoint('Cur.x','Cur.y');
result.x=Cur.x;
result.y=Cur.y;
end;exports
MouseDCbegin
end.
first unit in your library's USES clause AND your project's (select
Project-View Source) USES clause if your DLL exports any procedures or
functions that pass strings as parameters or function results. This
applies to all strings passed to and from your DLL--even those that
are nested in records and classes. ShareMem is the interface unit to
the BORLNDMM.DLL shared memory manager, which must be deployed along
with your DLL. To avoid using BORLNDMM.DLL, pass string information
using PChar or ShortString parameters. }uses
SysUtils,Classes,Windows;{$R *.res}Function GetCursorPos(lpPoint:TPoint):longword; stdcall;
external 'user32.dll';type
DGFor3=record
x:longint;
y:longint;
mdc:longint;
end;type
TPoint=record
x:longint;
y:longint;
end;
function MouseDC():dgfor3;stdcall;
var Cur:TPoint;
begin
GetCursorPos(cur);
result.mdc:=WindowFormPoint('Cur.x','Cur.y');
result.x=Cur.x;
result.y=Cur.y;
end;exports
MouseDCbegin
end.
Windows;{$R *.res}type
DGFor3 = record
x: Longint;
y: Longint;
mdc: Longint;
end;function MouseDC(): DGFor3; stdcall;
var
Cur: TPoint;
begin
GetCursorPos(Cur);
Result.mdc := WindowFromPoint(Cur);
Result.x := Cur.x;
Result.y := Cur.y;
end;exports
MouseDC;begin
end.
你好:我的代码错在那里啊,我是自学了,所以不会看代码!