Mega Code Archive
Create a window with pure api
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// Put this code in your Project file (*.dpr).
// Den Code in eine Projekt Datei (*.dpr) einfügen.
program Project1;
uses
windows, messages;
// Main Window Procedure
function MainWndProc(hWindow: HWND; Msg: UINT; wParam: wParam;
lParam: lParam): LRESULT; stdcall; export;
var
ps: TPaintStruct;
begin
Result := 0;
case Msg of
WM_PAINT:
begin
BeginPaint(hWindow, ps);
SetBkMode(ps.hdc, TRANSPARENT);
TextOut(ps.hdc, 10, 10, 'Hello, World!', 13);
EndPaint(hWindow, ps);
end;
WM_DESTROY: PostQuitMessage(0);
else
begin
Result := DefWindowProc(hWindow, Msg, wParam, lParam);
Exit;
end;
end;
end;
// Main Procedure
var
wc: TWndClass;
hWindow: HWND;
Msg: TMsg;
begin
wc.lpszClassName := 'YourAppClass';
wc.lpfnWndProc := @MainWndProc;
wc.Style := CS_VREDRAW or CS_HREDRAW;
wc.hInstance := hInstance;
wc.hIcon := LoadIcon(0, IDI_APPLICATION);
wc.hCursor := LoadCursor(0, IDC_ARROW);
wc.hbrBackground := (COLOR_WINDOW + 1);
wc.lpszMenuName := nil;
wc.cbClsExtra := 0;
wc.cbWndExtra := 0;
RegisterClass(wc);
hWindow := CreateWindowEx(WS_EX_CONTROLPARENT or WS_EX_WINDOWEDGE,
'YourAppClass',
'API',
WS_VISIBLE or WS_CLIPSIBLINGS or
WS_CLIPCHILDREN or WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, 0,
400, 300,
0,
0,
hInstance,
nil);
ShowWindow(hWindow, CmdShow);
UpDateWindow(hWindow);
while GetMessage(Msg, 0, 0, 0) do
begin
TranslateMessage(Msg);
DispatchMessage(Msg);
end;
Halt(Msg.wParam);
end.
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