🚀 go-pugleaf

I think this is a bug of C++ Builder,
I do a same sample as instance 1 with VC++,
it can be operate successully by instance2,
I'm using BCB6.0.


"HuangC" <HuangC@motic.com.cn> д����Ϣ����
:3f03f89d$1@newsgroups.borland.com...
> hi all,
>
> a strange question,
> I created a simple application with only one window named Form1,
> the form's WindowState has been set to wsMinimized,
> then add some simple controls on it.
> this is the first instance.
>
> in another instance
> create a simple application with only one window too(named Form2),
> I add three button on it, the following three line
> is the event handle function of each button.
> HWND hWnd = FindWindow(NULL, "Form1"); if (hWnd != NULL)
>
> SendMessage(hWnd, WM_SYSCOMMAND, SC_MAXIMIZE, 0);// Button1OnClick
> SendMessage(hWnd, WM_SYSCOMMAND, SC_MINIMIZE, 0);// Button2OnClick
> SendMessage(hWnd, WM_SYSCOMMAND, SC_RESTORE, 0); // Button3OnClick
>
> when the first instance run, it was minimized automatical,
> don't hit it from the taskbar, run the second program,
> Click button1 or button2, the form1 will maximize or restore,
> but the controls added before were disappeared.
> however if i hit the iconic in the taskbar, it's OK, Why?
>
> Another similar question,
> Don't set the WindowState wsMinimized first,
> the other conditions were same as above,
>
> click button2 first in form2, form1 minimized ok,
> click button1 or button3 in form2, form1 maximized or restore ok,
> click button2 again, failed, do not respond,
> even click the minimize button in the title bar, why?
>
> WinXP Profession/P4 1.8G/512M
>
> do you meet the same things?
>
>