var
oldcursor:TCursor; //光标
i:integer; //变量i为子窗口个数
begin
for i:=0 to MDIChildcount - 1 do
begin
if MDIChildren[i] is Tw_clientlr then
begin
MDIchildren[i].show;
exit;
end; //if
end; //for
oldcursor:=screen.Cursor;
screen.cursor:=crHourglass;
try
w_clientlr:=Tw_clientlr.create(application);
finally
screen.cursor:= oldcursor;
end; //finally
关闭可以用到如下:
自己体会一下!具体的就自己写吧!
procedure Tw_yyylr.FormClose(Sender: TObject; var Action: TCloseAction);
begin
Action:=caFree;
end;