diff options
Diffstat (limited to 'src/mir_core')
| -rw-r--r-- | src/mir_core/src/subclass.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mir_core/src/subclass.cpp b/src/mir_core/src/subclass.cpp index f917646bb7..9188ad60aa 100644 --- a/src/mir_core/src/subclass.cpp +++ b/src/mir_core/src/subclass.cpp @@ -58,6 +58,9 @@ static LRESULT CALLBACK MSubclassWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LP MIR_CORE_DLL(void) mir_subclassWindow(HWND hWnd, WNDPROC wndProc)
{
+ if (hWnd == nullptr)
+ return;
+
MSubclassData *p = arSubclass.find((MSubclassData*)&hWnd);
if (p == NULL) {
p = new MSubclassData;
|