Add MFC TTS example on Windows (#378)

mfc-examples/NonStreamingTextToSpeech/NonStreamingTextToSpeechDlg.h

@@ -0,0 +1,48 @@
+
+// NonStreamingTextToSpeechDlg.h : header file
+//
+
+#pragma once
+
+#include "sherpa-onnx/c-api/c-api.h"
+
+
+// CNonStreamingTextToSpeechDlg dialog
+class CNonStreamingTextToSpeechDlg : public CDialogEx
+{
+// Construction
+public:
+	CNonStreamingTextToSpeechDlg(CWnd* pParent = nullptr);	// standard constructor
+ ~CNonStreamingTextToSpeechDlg();
+
+// Dialog Data
+#ifdef AFX_DESIGN_TIME
+	enum { IDD = IDD_NONSTREAMINGTEXTTOSPEECH_DIALOG };
+#endif
+
+	protected:
+	virtual void DoDataExchange(CDataExchange* pDX);	// DDX/DDV support
+
+
+// Implementation
+protected:
+	HICON m_hIcon;
+
+	// Generated message map functions
+	virtual BOOL OnInitDialog();
+	afx_msg void OnSysCommand(UINT nID, LPARAM lParam);
+	afx_msg void OnPaint();
+	afx_msg HCURSOR OnQueryDragIcon();
+	DECLARE_MESSAGE_MAP()
+       public:
+        CEdit my_hint_;
+        CEdit speaker_id_;
+        CEdit speed_;
+        void Init();
+        void InitHint();
+        CButton generate_btn_;
+        afx_msg void OnBnClickedOk();
+
+		SherpaOnnxOfflineTts *tts_;
+        CEdit my_text_;
+};