easy 7-zip mod for 23.01: rebased from 19.00

CPP/7zip/UI/FileManager/AboutEasy7ZipDialog.cpp

@@ -0,0 +1,42 @@
+// AboutEasy7ZipDialog.cpp
+
+#include "StdAfx.h"
+#include "AboutEasy7ZipDialog.h"
+
+#include "HelpUtils.h"
+
+static LPCSTR kHelpTopic = "start.htm";
+
+bool CAboutEasy7ZipDialog::OnInit()
+{
+  NormalizePosition();
+  return CModalDialog::OnInit();
+}
+
+void CAboutEasy7ZipDialog::OnHelp()
+{
+  ShowHelpWindow(kHelpTopic);
+}
+
+bool CAboutEasy7ZipDialog::OnButtonClicked(int buttonID, HWND buttonHWND)
+{
+  LPCTSTR url;
+  switch(buttonID)
+  {
+    case IDC_ABOUT_BUTTON_EASY7ZIP_HOMEPAGE: url = TEXT("http://www.e7z.org/"); break;
+    default:
+      return CModalDialog::OnButtonClicked(buttonID, buttonHWND);
+  }
+
+  #ifdef UNDER_CE
+  SHELLEXECUTEINFO s;
+  memset(&s, 0, sizeof(s));
+  s.cbSize = sizeof(s);
+  s.lpFile = url;
+  ::ShellExecuteEx(&s);
+  #else
+  ::ShellExecute(NULL, NULL, url, NULL, NULL, SW_SHOWNORMAL);
+  #endif
+
+  return true;
+}