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WM_CONTEXTMENU problem

 
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oib111
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PostPosted: Sat Jul 05, 2008 12:01 pm    Post subject: WM_CONTEXTMENU problem Reply with quote
I'm trying to add a system system tray icon for my program but it won't show the menu. I'm not sure if I'm putting WM_CONTEXTMENU in the wrong place, but it could also be my menu. Here is my code for adding an icon and showing the menu and the message handler part.

Code:

void CreateIcon() {
   NOTIFYICONDATA nid;
   nid.cbSize = sizeof(NOTIFYICONDATA);
   nid.hWnd = hWnd;
   nid.uID = SYSTRAY;
   nid.uFlags = NIF_MESSAGE | NIF_ICON;
   nid.hIcon = LoadIcon(NULL, IDI_APPLICATION);
   nid.uCallbackMessage = SYSTRAYMSG;
   ShowWindow(hWnd, SW_HIDE);
   Shell_NotifyIcon(NIM_ADD, &nid);
}

void ShowMenu() {
   POINT point;
   GetCursorPos(&point);
   HMENU hMenu = CreatePopupMenu();
   AppendMenu(hMenu, MF_STRING, KILLPROCESS, "Kill Process");
   AppendMenu(hMenu, MF_SEPARATOR, 1, 0);
   AppendMenu(hMenu, MF_STRING, RESTORE, "Restore");
   AppendMenu(hMenu, MF_STRING, EXIT, "Exit");
   SetForegroundWindow(hWnd);
   TrackPopupMenu(hMenu, TPM_BOTTOMALIGN, point.x, point.y, 0, hWnd, NULL);
   DestroyMenu(hMenu);
}


Code:

case SYSTRAYMSG:
   switch(LOWORD(lParam)) {
      case WM_CONTEXTMENU:
         ShowMenu();
         break;
   }
break;

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HomerSexual
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PostPosted: Sat Jul 05, 2008 12:35 pm    Post subject: Reply with quote
Try InsertMenu instead

http://www.stromcode.com/2008/03/02/win32-context-menus/

Also, shouldn't you put the code to load the menu in the WM_CREATE message?
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lurc
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PostPosted: Sat Jul 05, 2008 12:41 pm    Post subject: Reply with quote
blankrider wrote:
Try InsertMenu instead

http://www.stromcode.com/2008/03/02/win32-context-menus/

Also, shouldn't you put the code to load the menu in the WM_CREATE message?


No the menu is created when the user right clicks the icon. And is filtered through the message defined in his NOTIFYICONDATA


Try filtering for WM_RBUTTONDOWN aswell?
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oib111
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PostPosted: Sat Jul 05, 2008 1:42 pm    Post subject: Reply with quote
Thanks it worked. But I modified my code a little so it would list out the processes. My problem is is that if I right click on my icon it doesn't do the bottom allign that it's supposed to, so it ends up like starting near the top, and you can't see anything. So I was wondering how can I make it not do that, but add a down arrow so you can scroll. Also, how can I make it so that the user can only check one process, and how do I get the process name that the user checked (for killing the process).

Code:

void ShowMenu() {
   POINT point;
   GetCursorPos(&point);
   HMENU hMenu = CreatePopupMenu();
   AppendMenu(hMenu, MF_STRING, KILLPROCESS, "Kill Process");
   AppendMenu(hMenu, MF_SEPARATOR, 1, 0);
   HANDLE hSnapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, NULL);
   PROCESSENTRY32 pe32;
   pe32.dwSize = sizeof(PROCESSENTRY32);
   int count = 1;
   Process32First(hSnapshot, &pe32);
   do {
      AppendMenu(hMenu, MF_STRING, count, pe32.szExeFile);
      count++;
   } while(Process32Next(hSnapshot, &pe32));
   AppendMenu(hMenu, MF_SEPARATOR, 1, 0);
   AppendMenu(hMenu, MF_STRING, RESTORE, "Restore");
   AppendMenu(hMenu, MF_STRING, EXIT, "Exit");
   SetForegroundWindow(hWnd);
   TrackPopupMenu(hMenu, TPM_BOTTOMALIGN, point.x, point.y, 0, hWnd, NULL);
   DestroyMenu(hMenu);
}

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cigs dont make people high, which weed does, which causes them to do bad stuff. like killing
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lurc
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PostPosted: Sat Jul 05, 2008 2:02 pm    Post subject: Reply with quote
Read Some stuff from here:

http://msdn.microsoft.com/en-us/library/ms674664.aspx
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