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src/utils/FileDialog.h

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+#pragma once
+
+#include <string>
+#include <Windows.h>
+
+namespace UsdLayerManager {
+
+class FileDialog {
+public:
+    // Open file dialog
+    static std::string OpenFile(
+        const char* filter = "USD Files (*.usd;*.usda;*.usdc)\0*.usd;*.usda;*.usdc\0All Files (*.*)\0*.*\0",
+        const char* title = "Open USD File",
+        HWND owner = nullptr
+    );
+    
+    // Save file dialog
+    static std::string SaveFile(
+        const char* filter = "USD Files (*.usd;*.usda;*.usdc)\0*.usd;*.usda;*.usdc\0All Files (*.*)\0*.*\0",
+        const char* title = "Save USD File",
+        const char* defaultExt = "usd",
+        HWND owner = nullptr
+    );
+    
+private:
+    static const int MAX_PATH_LENGTH = 4096;
+};
+
+} // namespace UsdLayerManager