with Wnd do
begin
style := CS_HREDRAW or CS_VREDRAW; {改变大小时重绘}
cbClsExtra := 0; {没有额外的窗口类信息}
cbWndExtra := 0; {没有额外的窗口信息}
hIcon := 0; {没指定图标}
hCursor := LoadCursor(0, IDC_ARROW); {选用了系统提供的指针}
lpszMenuName := nil; {不指定默认菜单}
lpfnWndProc := @WndNewProc;
hInstance := hInstance;
lpszClassName := LayeredWndClass;
hbrBackground :=CreateSolidBrush(RGB(0, 0,0)); end;
Windows.RegisterClass(Wnd);
Hnd:=CreateWindowEx(WS_EX_TOOLWINDOW ,
LayeredWndClass,
PChar(form1.Caption),
WS_VISIBLE or WS_POPUP ,
form1.Left,
form1.Top,
form1.Width,
form1.Height,
form1.Handle,
0,
HInstance,
nil);用这样的方式建立一个类似bsnone样式的窗口,怎么才能改变它大小就是像bsSizeable那种
begin
style := CS_HREDRAW or CS_VREDRAW; {改变大小时重绘}
cbClsExtra := 0; {没有额外的窗口类信息}
cbWndExtra := 0; {没有额外的窗口信息}
hIcon := 0; {没指定图标}
hCursor := LoadCursor(0, IDC_ARROW); {选用了系统提供的指针}
lpszMenuName := nil; {不指定默认菜单}
lpfnWndProc := @WndNewProc;
hInstance := hInstance;
lpszClassName := LayeredWndClass;
hbrBackground :=CreateSolidBrush(RGB(0, 0,0)); end;
Windows.RegisterClass(Wnd);
Hnd:=CreateWindowEx(WS_EX_TOOLWINDOW ,
LayeredWndClass,
PChar(form1.Caption),
WS_VISIBLE or WS_POPUP ,
form1.Left,
form1.Top,
form1.Width,
form1.Height,
form1.Handle,
0,
HInstance,
nil);用这样的方式建立一个类似bsnone样式的窗口,怎么才能改变它大小就是像bsSizeable那种
procedure WMNCHitTest(var Msg: TWMNCHitTest); message WM_NCHITTEST;
procedure TForm2.WmNcHitTest(var msg:TWmNcHitTest);
const cOffset=10;
var
vPoint: TPoint;
begin inherited;
vPoint:= ScreenToClient(Point(Msg.XPos, Msg.YPos));
if PtInRect(Rect(0, 0, cOffset, cOffset),vPoint) then Msg.Result := HTTOPLEFT
else if PtInRect(Rect(Width - cOffset, Height - cOffset, Width, Height), vPoint) then Msg.Result := HTBOTTOMRIGHT
else if PtInRect(Rect(Width - cOffset, 0, Width, cOffset), vPoint) then Msg.Result := HTTOPRIGHT
else if PtInRect(Rect(cOffset, 0, Width - cOffset, cOffset), vPoint) then Msg.Result := HTTOP
else if PtInRect(Rect(0, cOffset, cOffset, Height - cOffset), vPoint) then Msg.Result := HTLEFT
else if PtInRect(Rect(Width - cOffset, cOffset, Width, Height - cOffset), vPoint) then Msg.Result := HTRIGHT
else if PtInRect(Rect(cOffset, Height - cOffset, Width - cOffset, Height), vPoint) then Msg.Result := HTBOTTOM;
end;
楼上的朋友都是从API部分说起。
我就DELPHI自身来说吧。
你就在formReisize和FormPaint里面调整窗体大小就可以了。
界面上可以放2个按扭,一个放大一个缩小,用來改变他们的width,heigth值就是了