Add LZMA.

3rdparty/lzma-21.03beta/CPP/7zip/UI/Explorer/MyMessages.cpp

@@ -0,0 +1,37 @@
+// MyMessages.cpp
+
+#include "StdAfx.h"
+
+#include "MyMessages.h"
+
+#include "../../../Windows/ErrorMsg.h"
+#include "../../../Windows/ResourceString.h"
+
+#include "../FileManager/LangUtils.h"
+
+using namespace NWindows;
+
+void ShowErrorMessage(HWND window, LPCWSTR message)
+{
+  ::MessageBoxW(window, message, L"7-Zip", MB_OK | MB_ICONSTOP);
+}
+
+void ShowErrorMessageHwndRes(HWND window, UINT resID)
+{
+  ShowErrorMessage(window, LangString(resID));
+}
+
+void ShowErrorMessageRes(UINT resID)
+{
+  ShowErrorMessageHwndRes(0, resID);
+}
+
+static void ShowErrorMessageDWORD(HWND window, DWORD errorCode)
+{
+  ShowErrorMessage(window, NError::MyFormatMessage(errorCode));
+}
+
+void ShowLastErrorMessage(HWND window)
+{
+  ShowErrorMessageDWORD(window, ::GetLastError());
+}