Hi,
I am trying to access submenu of a menu of a window using win32api .I even
tried using win32api in 'c' programming. In both attempts I was not
successful.
The details are -
There is an application which starts three processes when we create process
with the main application(*.exe).
All the three processes have three main windows. Through program I am
trying to access one of the three windows using findwindow (window title)
and I am able to get that window handle. Through this window handle I am
able to get menu handle. But after this I am not able to get submenu count
/item. This is happening to only one window(of one process). The main menu
count is coming correct in both python program and 'c' program. But submenu
count/items are coming as 0 in both programs though the main menu items are
having submenu's. This is not happening with other two windows of processes
which are opened simultaneously.
All these processes are MDI applications. I am wondering is this menu is of
different type ? If so how I can find this type using win32api and how can I
access submenu?
If the menu is different how it is attached to the main window where in the
Microsoft spy tool is giving exactly the same menu handle for this window as
what I am getting through program. If we open the application manually and
access the menu and submenu it behaves same as any other window
applications.
I am sending here the c code for review and because of size limit I am
not able to send python code . Any help in this regard is highly is
appreciated.
--------------------------------------------------C
program--------------------------------------
#include <windows.h>
#include <stdio.h>
#include <winuser.h>
void main()
{
STARTUPINFO si;
PROCESS_INFORMATION pi;
ZeroMemory( &si, sizeof(si) );
si.cb = sizeof(si);
ZeroMemory( &pi, sizeof(pi) );
char* p = "C:\\Program
Files\\Citect\\CitectSCADA\\Bin\\CTEXPLOR.EXE";
// Start the child process.
if( !CreateProcess(p, // No module name (use command line)
NULL, // Command line
NULL, // Process handle not inheritable
NULL, // Thread handle not inheritable
FALSE, // Set handle inheritance to FALSE
0, // No creation flags
NULL, // Use parent's environment block
NULL, // Use parent's starting directory
&si, // Pointer to STARTUPINFO structure
&pi ) // Pointer to PROCESS_INFORMATION structure
)
{
printf( "CreateProcess failed (%d)\n", GetLastError() );
return;
}
Sleep(1000);
HWND hWnd;
hWnd = FindWindow(NULL,"Citect Graphics Builder");
HMENU hMenu = GetMenu(hWnd);
int menuItems = GetMenuItemCount(hMenu); /*GetSystemMenu */
MENUITEMINFO mi;
ZeroMemory( &mi, sizeof(mi) );
mi.cbSize = sizeof(mi);
mi.fMask = MIIM_SUBMENU|MIIM_DATA|MIIM_TYPE;
mi.fType = MFT_STRING ;
/*printf("MenuItems: %d", menuItems);*/
GetMenuItemInfo(hMenu,0,TRUE,&mi);
for (int i=0;i<menuItems;i++)
{
HMENU hSubMenu = GetSubMenu(hMenu,i);
int count = GetMenuItemCount(hSubMenu);
printf("%d",count);
}
// Close process and thread handles.
CloseHandle( pi.hProcess );
CloseHandle( pi.hThread );*/
return;
}
Regards,
Madhubala
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