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| type
TForm1 = class(TForm)
procedure FormCreate(Sender: TObject);
procedure FormPaint(Sender: TObject);
procedure FormResize(Sender: TObject);
private
{ Private-Deklarationen }
procedure WMACTIVATE(var Msg: TMessage); Message WM_ACTIVATE;
// procedure WMNCHITTEST(var Msg: TWMNChittest); Message WM_NCHITTEST;
// procedure WMNCLBUTTONDOWN(var Msg: TMessage); Message WM_NCLBUTTONDOWN;
public
{ Public-Deklarationen }
end;
var
Form1: TForm1;
implementation
{$R *.DFM}
var
bHit: Boolean;
//procedure TForm1.WMNCHITTEST(var Msg: TWMNChittest);
//var
// x,y: SmallInt;
// dc: HDC;
// rect: TRect;
//begin
// DefaultHandler(Msg);
// x := Msg.XPos-Left;
// y := Msg.YPos-Top;
// GetWindowRect(Handle, rect);
// if (x <= width) and (x >= width-21)
// and (y >= 0) and
// (y <= GetSystemmetrics(SM_CYEDGE)+14) then
// begin
// bHit := TRUE;
// end
// else
// bHit := FALSE;
//end;
//
//procedure TForm1.WMNCLBUTTONDOWN(var Msg: TMessage);
//begin
// if bHit = TRUE then Close
// else
// inherited;
//end;
procedure TForm1.WMACTIVATE(var Msg: TMessage);
var
rgn: HRGN;
rect, btnrect: TRect;
dc: HDC;
szBuffer: array[0..255] of Char;
bmp: TBITMAP;
brush : HBRUSH;
begin
if Msg.Msg = WM_ACTIVATE then
begin
dc := GetWindowDC(Handle);
rect.Left := GetSystemmetrics(SM_CXEDGE);
rect.Top := GetSystemmetrics(SM_CYEDGE);
rect.Right := Form1.Width-GetSystemmetrics(SM_CYEDGE);
rect.Bottom := Getsystemmetrics(SM_CYCAPTION)+GetSystemmetrics(SM_CYFRAME);
try
// bmp := TBITMAP.Create;
// bmp.loadfromfile('.\MyButton.bmp');
// btnrect.Left := Width-21;
// btnrect.Top := rect.Top+1;
// brush := CreateSolidBrush(RGB(255,0,0));
// SelectObject(dc, brush);
// Rectangle(dc, rect.Left, rect.Top, rect.Right, rect.Bottom);
// StretchBlt(dc, btnrect.Left, btnrect.Top+2, bmp.Width, bmp.Height,
// bmp.Canvas.Handle, 0, 0, bmp.Width, bmp.Height, SRCCOPY);
lstrcpy(szBuffer, 'Meine Fenstercaption');
SetBkMode(dc, TRANSPARENT);
SetTextColor(dc, RGB(255,255,255));
DrawText(dc, szBuffer, lstrlen(szBuffer), rect, DT_CENTER or DT_VCENTER);
finally
// bmp.Free;
end;
ReleaseDC(Handle, dc);
end
else
Inherited;
ReleaseDc(Handle, dc);
end;
procedure TForm1.FormCreate(Sender: TObject);
begin
PostMessage(Handle, WM_ACTIVATE, 0, 0);
end;
procedure TForm1.FormPaint(Sender: TObject);
begin
SendMessage(handle, WM_ACTIVATE, 0 , 0);
end;
procedure TForm1.FormResize(Sender: TObject);
begin
SendMessage(handle, WM_ACTIVATE, 0 , 0);
end; |