1 files changed, 40 insertions, 0 deletions
diff --git a/process.h b/process.h
new file mode 100644
index 0000000..9aaf319
--- /dev/null
+++ b/process.h
@@ -0,0 +1,40 @@
+#pragma once
+
+#include "error.h"
+
+#include <Windows.h>
+#include <shellapi.h>
+
+#include <array>
+#include <string>
+
+namespace process
+{
+    std::wstring get_executable_path()
+    {
+        static constexpr DWORD max_path = MAX_PATH;
+
+        std::array<wchar_t, max_path> buf;
+
+        const auto ret = GetModuleFileNameW(NULL, buf.data(), max_path);
+
+        if (GetLastError() != ERROR_SUCCESS)
+            error::raise("GetModuleFileNameW");
+
+        return buf.data();
+    }
+
+    void runas(const std::wstring& exe_path, HWND hwnd = NULL, int nShow = SW_NORMAL)
+    {
+        SHELLEXECUTEINFOW info;
+        ZeroMemory(&info, sizeof(info));
+        info.cbSize = sizeof(info);
+        info.lpVerb = L"runas";
+        info.lpFile = exe_path.c_str();
+        info.hwnd = hwnd;
+        info.nShow = nShow;
+
+        if (!ShellExecuteExW(&info))
+            error::raise("ShellExecuteExW");
+    }
+}