Определение координат расположения TaskBar
Материал из DRKB
Определение координат расположения TaskBar[править | править код]
uses ShellApi;
var
AppBarData: TAppBarData;
bAlwaysOnTop: Boolean; { Поверх окон }
bAutoHide: Boolean; { Авт. убирать с экрана }
ClRect: TRect; { Клиентские области }
Rect: TRect;
Edge: UInt; { Местоположение TaskBar }
procedure DetectTaskBar;
begin
AppBarData.hWnd := FindWindow('Shell_TrayWnd', nil);
AppBarData.cbSize := SizeOf(AppBarData);
bAlwaysOnTop := (SHAppBarMessage(ABM_GETSTATE, AppBardata) and ABS_ALWAYSONTOP) < > 0;
bAutoHide := (SHAppBarMessage(ABM_GETSTATE, AppBardata) and ABS_AUTOHIDE) < > 0;
GetClientRect(AppBarData.hWnd, ClRect.rc);
GetWindowRect(AppBarData.hwnd, rect);
if (Rect.top > 0) then
Edge := ABE_BOTTOM
else if (Rect.Bottom < Screen.Height) then
Edge := ABE_TOP
else if Rect.Right < Screen.Width then
Edge := ABE_LEFT
else
Edge := ABE_RIGHT;
end;
Source: Взято с http://delphiworld.narod.ru
ID: 01771
With SHAppBarMessage[править | править код]
uses
ShellAPI;
procedure TForm1.Button1Click(Sender: TObject);
var
tabd: TAppBarData;
PosString: string;
begin
FillChar(tabd, SizeOf(TAppBarData), 0);
tabd.cbSize := SizeOf(TAppBarData);
if SHAppBarMessage(ABM_GETTASKBARPOS, Tabd) = 0 then Exit;
with Tabd.rc do
PosString := Format(' (%d, %d);(%d, %d) ', [Left, Top, Right, Bottom]);
case tabd.uEdge of
ABE_LEFT: ShowMessage('Left Position' + PosString);
ABE_TOP: ShowMessage('Top Position' + PosString);
ABE_RIGHT: ShowMessage('Right Position' + PosString);
ABE_BOTTOM: ShowMessage('Bottom Position' + PosString);
end;
end;
Source: Взято с сайта: http://www.swissdelphicenter.ch
ID: 01772
With FindWindow, GetWindowRect[править | править код]
type
TTaskBarPos = (_TOP, _BOTTOM, _LEFT, _RIGHT, _NONE);
function GetTaskBarPos: TTaskBarPos;
var
hTaskbar: HWND;
T: TRect;
scrW, scrH: integer;
begin
hTaskBar := FindWindow('Shell_TrayWnd', nil);
if hTaskbar <> 0 then
begin
GetWindowRect(hTaskBar, T);
ScrW := Screen.Width;
ScrH := Screen.Height;
if (T.Top > scrH div 2) and (T.Right >= scrW) then
Result := _BOTTOM
else if (T.Top < scrH div 2) and (T.Bottom <= scrW div 2) then
Result := _TOP
else if (T.Left < scrW div 2) and (T.Top <= 0) then
Result := _LEFT
else // the last "if" is not really needed
if T.Left >= ScrW div 2 then
Result := _RIGHT;
end;
end;
procedure TForm1.Button5Click(Sender: TObject);
var
TaskBarPos: TTaskBarPos;
begin
TaskBarPos := GetTaskBarPos;
case TaskBarPos of
_LEFT: ShowMessage('Left Position');
_TOP: ShowMessage('Top Position');
_RIGHT: ShowMessage('Right Position');
_BOTTOM: ShowMessage('Bottom Position');
end;
end;
Source: Взято с сайта: http://www.swissdelphicenter.ch
ID: 01773