initial commit of the files

ImGuiExternal/Functions.h

@@ -0,0 +1,40 @@
+#include <windows.h>
+#include <psapi.h>
+#include <tlhelp32.h>
+#include <iostream>
+#include <dwmapi.h>
+#include <d3d9.h>
+
+#pragma comment(lib, "d3d9.lib")
+#pragma comment(lib, "dwmapi.lib")
+
+DWORD GetProcessId(LPCSTR ProcessName) {
+	PROCESSENTRY32 pt;
+	HANDLE hsnap = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
+	pt.dwSize = sizeof(PROCESSENTRY32);
+	if (Process32First(hsnap, &pt)) {
+		do {
+			if (!lstrcmpi(pt.szExeFile, ProcessName)) {
+				CloseHandle(hsnap);
+				return pt.th32ProcessID;
+			}
+		} while (Process32Next(hsnap, &pt));
+	}
+	CloseHandle(hsnap);
+	return 0;
+}
+
+std::string RandomString(const int len) {
+    static const char alphanum[] =
+        "0123456789"
+        "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+        "abcdefghijklmnopqrstuvwxyz";
+    std::string tmp_s;
+    tmp_s.reserve(len);
+
+    for (int i = 0; i < len; ++i) {
+        tmp_s += alphanum[rand() % (sizeof(alphanum) - 1)];
+    }
+    
+    return tmp_s;
+}