Fierelier/notepad-plus-plus-legacy
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[BUG_FIXED] (Author: Pekka Pöyry) Can't open file via Explorer context menu when Notepad++ is run as administrator.

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git-svn-id: svn://svn.tuxfamily.org/svnroot/notepadplus/repository/trunk@1011 f5eea248-9336-0410-98b8-ebc06183d4e3
This commit is contained in:
Don Ho 2013-01-26 22:40:42 +00:00
parent 233b1ac80a
commit 2e238a03b8
1 changed files with 38 additions and 0 deletions
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38
PowerEditor/src/winmain.cpp
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@ -371,6 +371,44 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE, LPSTR, int)
Win32Exception::installHandler();
try {
notepad_plus_plus.init(hInstance, NULL, quotFileName.c_str(), &cmdLineParams);
// Tell UAC that lower integrity processes are allowed to send WM_COPYDATA messages to this process (or window)
// This allows opening new files to already opened elevated Notepad++ process via explorer context menu.
if(pNppParameters->getWinVersion() >= WV_VISTA)
{
HMODULE hDll = GetModuleHandle(TEXT("user32.dll"));
if (hDll)
{
// According to MSDN ChangeWindowMessageFilter may not be supported in future versions of Windows,
// that is why we use ChangeWindowMessageFilterEx if it is available (windows version >= Win7).
if(pNppParameters->getWinVersion() == WV_VISTA)
{
typedef BOOL (WINAPI *MESSAGEFILTERFUNC)(UINT message,DWORD dwFlag);
const DWORD MSGFLT_ADD = 1;
MESSAGEFILTERFUNC func = (MESSAGEFILTERFUNC)::GetProcAddress( hDll, "ChangeWindowMessageFilter" );
if (func)
{
func(WM_COPYDATA, MSGFLT_ADD);
}
}
else
{
typedef BOOL (WINAPI *MESSAGEFILTERFUNCEX)(HWND hWnd,UINT message,DWORD action,VOID* pChangeFilterStruct);
const DWORD MSGFLT_ALLOW = 1;
MESSAGEFILTERFUNCEX func = (MESSAGEFILTERFUNCEX)::GetProcAddress( hDll, "ChangeWindowMessageFilterEx" );
if (func)
{
func(notepad_plus_plus.getHSelf(), WM_COPYDATA, MSGFLT_ALLOW, NULL );
}
}
}
}
bool unicodeSupported = pNppParameters->getWinVersion() >= WV_NT;
bool going = true;
while (going)