how to get the handle of dialog..

[manyvan2000]

hi,
i am developing an application using win32. now i want to get the values in a java based application. i could get the handle to the window using EnumChildWindows(), passing the handle of the desktop window. but i couldnt get the handle of the items in the window like comboboxes, edit controls etc.. the application's base class is SunAwtFrame.

Also, i want to create a thread and leave it as orphan and kill the parent immediately. how to do this?
Mani

 

[Cagliostro]

items in comboboxes/listboxes are not separated windows. All they are a single window which can look like many things, in deppendence of state and/or events.

Ion Filipski

ICQ: 95034075
AIM: IonFilipski
filipski@excite.com

 

[manyvan2000]

hi ion,
how to get the values of the dialog items then?
-Mani

 

[Cagliostro]

HWND theItemWnd = GetDlgItem(hYourDlg, ID_OF_YOUR_ITEM);

Ion Filipski

ICQ: 95034075
AIM: IonFilipski
filipski@excite.com

 

[manyvan2000]

hi ion,
i think you are not cliear of the problem. i dont know the id of the item since it belongs to another application. the exact scenario is
i have a java based application, which has some controls in it. now, using my application, i need to get the data in the controls of the java application. then i must compare with some text file and then set the values based on it.
for example, the java application is JMyJavaWindow. there are a few controls like JMyEditBox, JMyComboBox,JMyButton etc.. now my windows application will get the values of these and set them to some other values.

in this i could get the window using the EnumChildWindows() and GetWindowText(), then comparing it with the name of the window. but i couldnt proceed because i dont know how to get the values of the controls.
-Mani

 

[Cagliostro]

You do not usualy to work with the HWND from Hava. You can pass any inforation about controls from java to C++ including the items textes. But if you want so much to deal with widow handles, you can do something like this:

//java
public class MyCanvas extends Canvas {

static {
System.loadLibrary("mylib"
}

public native void javaMethod(Graphics g);
}



//C++
#include <jawt_md.h>
#include...
JNIEXPORT void JNICALL javaMethod(JNIEnv* env, jobject canvas, jobject graphics)
{
JAWT awt;
JAWT_DrawingSurface* ds;
JAWT_DrawingSurfaceInfo* dsi;
JAWT_Win32DrawingSurfaceInfo* dsi_win;
jboolean result;
jint lock;
HWND hWnd;

awt.version = JAWT_VERSION_1_3;
result = JAWT_GetAWT(env, &awt);
ds = awt.GetDrawingSurface(env, canvas);
dsi = ds->GetDrawingSurfaceInfo(ds);
dsi_win = (JAWT_Win32DrawingSurfaceInfo*)dsi->platformInfo;
hWnd = JAWT_Win32DrawingSurfaceInfo->hwnd;

awt.FreeDrawingSurface(ds);
}


Ion Filipski

ICQ: 95034075
AIM: IonFilipski
filipski@excite.com

 

[manyvan2000]

hi ion,
i think this requires the java code to be changed. i cant change the java code. i only have the application.
thanks and regards
mani

 

[manyvan2000]

hi ion,
is there any other way by which i can access java controls from VC++ other than this. this is very confusing and i dont get it.
for eg.,
java application JAPP has a main screen &quot;Java Main&quot;. in that it has controls edit1, combo1 and button1. now in my win32 application, i give
hWndJava = FindWindow(&quot;SunAwtFrame&quot;,&quot;Java Main&quot;
now is there any way to do something like
GetItem(hWndJava, edit1);
SetItem(hWndJava, edit1);

what i actually want to do is, when i click on one of the controls of the JAPP, say edit1, i must get the data and the variable associated with the control. then i have to set the data as i need. i cant change any java code. is there anything like GetCtrlUnderMouse or something like this?
thanks and regards
mani