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procedure MySetBounds(aHandle: THandle; BoundsRect: TRect);
var
WindowPlacement: TWindowPlacement;
begin
WindowPlacement.Length := SizeOf(WindowPlacement);
GetWindowPlacement(aHandle, @WindowPlacement);
WindowPlacement.rcNormalPosition := BoundsRect;
SetWindowPlacement(aHandle, @WindowPlacement);
end;
procedure TForm1.Button5Click(Sender: TObject);
var
ahnd: THandle;
rect: TRect;
iLeft,iTop,iRight,iBottom: Integer;
begin
ahnd := Edit1.Handle;
iLeft := Edit1.Left;
iTop := Edit1.Top;
iRight := iLeft + Edit1.Width;
iBottom := iTop + Edit1.Height;
rect.Left := iLeft;
rect.Top := iTop;
rect.Right := iRight;
rect.Bottom := iBottom + 10;
MySetBounds(ahnd,Rect);
end;
var
h: THandle;
Rect: TRect;
high: Integer;
begin
h := $0002028C; //这个就是Header的句柄,你可以用FindWindow,FindWindowEx去找到
GetWindowRect(h,Rect);
high := R.Bottom - R.Top;
Caption := IntToStr(high );
end;
unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, ExtCtrls, StdCtrls, ComCtrls, CommCtrl;
type
TForm1 = class(TForm)
ListView1: TListView;
ListView2: TListView;
Label1: TLabel;
Label2: TLabel;
procedure FormCreate(Sender: TObject);
procedure FormClose(Sender: TObject; var Action: TCloseAction);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
lvhOldProc, lvhNewProc: TFarProc;
hHeader: THandle;
implementation
{$R *.dfm}
function LvHeaderNewWndProc(h: THandle; uMsg: UINT; wParam: WPARAM; lParam: LPARAM): LRESULT; stdcall;
var
phdl: PHDLayout;
prct: PRect;
pwp: PWindowPos;
begin
Result := CallWindowProc(lvhOldProc, h, uMsg, wParam, lParam);
if uMsg = HDM_LAYOUT then
begin
phdl := PHDLayout(lParam);
prct := PRect(phdl.Rect);
pwp := PWindowPos(phdl.WindowPos);
pwp.cy := pwp.cy + 10; // Header默认高是17,修改成17 + 10 = 27;
prct.top := pwp.cy + 2;
end;
end;
procedure TForm1.FormCreate(Sender: TObject);
begin
hHeader := ListView_GetHeader(ListView1.Handle);
lvhOldProc := FARPROC(GetWindowLong(hHeader, GWL_WNDPROC));
SetWindowLong(hHeader, GWL_WNDPROC, Longint(@LvHeaderNewWndProc));
end;
procedure TForm1.FormClose(Sender: TObject; var Action: TCloseAction);
begin
SetWindowLong(hHeader, GWL_WNDPROC, Longint(lvhOldProc));
end;
end.