Initial commit: ROW Client source code

Game client codebase including:
- CharacterActionControl: Character and creature management
- GlobalScript: Network, items, skills, quests, utilities
- RYLClient: Main client application with GUI and event handlers
- Engine: 3D rendering engine (RYLGL)
- MemoryManager: Custom memory allocation
- Library: Third-party dependencies (DirectX, boost, etc.)
- Tools: Development utilities

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Library/dxx8/samples/Multimedia/Misc/DXinstall/dxinstall.h

@@ -0,0 +1,31 @@
+//-----------------------------------------------------------------------------
+// File: DXInstall.h
+//
+// Desc: Header file for example code showing how to use DirectXSetup.
+//
+// Copyright (c) 1998-2001 Microsoft Corporation. All rights reserved.
+//-----------------------------------------------------------------------------
+
+
+
+
+//-----------------------------------------------------------------------------
+// Function prototypes
+//-----------------------------------------------------------------------------
+VOID    SetButtons( HWND hDlg, DWORD wMsgType );
+DLGPROC DlgProc( HWND hDlg, UINT msg, WPARAM wParam, LPARAM lParam );
+BOOL    DirectXInstall( HWND hWnd );
+VOID    DirectXGetVersion();
+
+
+
+
+//-----------------------------------------------------------------------------
+// Defines, constants, and global variables
+//-----------------------------------------------------------------------------
+#define DSETUP_REINSTALL	0x00000080
+
+#define SHOW_ALL		1
+#define SHOW_UPGRADES	2
+#define SHOW_PROBLEMS	3
+#define SHOW_NONE		4