1: using System;
2: using System.IO;
3: using System.Drawing;
4: using System.Collections;
5: using System.ComponentModel;
6: using System.Windows.Forms;
7: using System.Data;
8:
9: using Microsoft.DirectX.DirectSound;
10:
11: namespace Noisey
12: {
13: /// <summary>
14: /// Very simple test form
15: /// </summary>
16: public class MainForm : System.Windows.Forms.Form
17: {
18: private System.Windows.Forms.Button btnPlay;
19: /// <summary>
20: /// Required designer variable.
21: /// </summary>
22: private System.ComponentModel.Container components = null;
23:
24: Device applicationDevice;
25: SecondaryBuffer sound;
26: private BufferDescription d;
27:
28: private TrackBar trackBar1;
29: private TextBox txtFreq;
30: private Label label1;
31: private Label label2;
32: private Button btnStop;
33: private OpenFileDialog openFileDialog1;
34: private Button btnNewFile;
35: private Label lblFile;
36: private Label label3;
37:
38:
39:
40: public MainForm()
41: {
42: //
43: // Required for Windows Form Designer support
44: //
45: InitializeComponent();
46:
47: //
48: // Add any constructor code after InitializeComponent call
49: //
50: applicationDevice = new Device();
51: applicationDevice.SetCooperativeLevel(this, CooperativeLevel.Normal);
52:
53: d = new BufferDescription();
54: // Set descriptor’s flags
55: d.ControlPan = true;
56: d.ControlVolume = false;
57: d.ControlFrequency = true;
58: d.ControlEffects = false;
59:
60: //Load a default file
61: sound = new SecondaryBuffer("C:\\Windows\\Media\\ding.wav", d, applicationDevice);
62: sound.Frequency = 0; //The default frequency
63:
64: //Disable stop button because it's not playing yet.
65: btnStop.Enabled = false;
66: }
67:
68: /// <summary>
69: /// Clean up any resources being used.
70: /// </summary>
71: protected override void Dispose(bool disposing)
72: {
73: if (disposing)
74: {
75: if (components != null)
76: {
77: components.Dispose();
78: }
79: }
80: base.Dispose(disposing);
81: }
82:
83: #region Windows Form Designer generated code
84: /// <summary>
85: /// Required method for Designer support - do not modify
86: /// the contents of this method with the code editor.
87: /// </summary>
88: private void InitializeComponent()
89: {
90: this.btnPlay = new System.Windows.Forms.Button();
91: this.trackBar1 = new System.Windows.Forms.TrackBar();
92: this.txtFreq = new System.Windows.Forms.TextBox();
93: this.label1 = new System.Windows.Forms.Label();
94: this.label2 = new System.Windows.Forms.Label();
95: this.btnStop = new System.Windows.Forms.Button();
96: this.openFileDialog1 = new System.Windows.Forms.OpenFileDialog();
97: this.btnNewFile = new System.Windows.Forms.Button();
98: this.lblFile = new System.Windows.Forms.Label();
99: this.label3 = new System.Windows.Forms.Label();
100: ((System.ComponentModel.ISupportInitialize)(this.trackBar1)).BeginInit();
101: this.SuspendLayout();
102: //
103: // btnPlay
104: //
105: this.btnPlay.Location = new System.Drawing.Point(18, 64);
106: this.btnPlay.Name = "btnPlay";
107: this.btnPlay.Size = new System.Drawing.Size(87, 20);
108: this.btnPlay.TabIndex = 0;
109: this.btnPlay.Text = "Play Sound";
110: this.btnPlay.Click += new System.EventHandler(this.btnPlay_Click);
111: //
112: // trackBar1
113: //
114: this.trackBar1.Location = new System.Drawing.Point(37, 124);
115: this.trackBar1.Maximum = 50000;
116: this.trackBar1.Minimum = 1000;
117: this.trackBar1.Name = "trackBar1";
118: this.trackBar1.Size = new System.Drawing.Size(190, 45);
119: this.trackBar1.TabIndex = 1;
120: this.trackBar1.Value = 30000;
121: this.trackBar1.ValueChanged += new System.EventHandler(this.trackBar1_ValueChanged);
122: //
123: // txtFreq
124: //
125: this.txtFreq.Enabled = false;
126: this.txtFreq.Location = new System.Drawing.Point(43, 185);
127: this.txtFreq.Name = "txtFreq";
128: this.txtFreq.Size = new System.Drawing.Size(100, 20);
129: this.txtFreq.TabIndex = 2;
130: //
131: // label1
132: //
133: this.label1.AutoSize = true;
134: this.label1.Location = new System.Drawing.Point(40, 108);
135: this.label1.Name = "label1";
136: this.label1.Size = new System.Drawing.Size(100, 13);
137: this.label1.TabIndex = 3;
138: this.label1.Text = "Frequency Change:";
139: //
140: // label2
141: //
142: this.label2.AutoSize = true;
143: this.label2.Location = new System.Drawing.Point(43, 166);
144: this.label2.Name = "label2";
145: this.label2.Size = new System.Drawing.Size(97, 13);
146: this.label2.TabIndex = 4;
147: this.label2.Text = "Current Frequency:";
148: //
149: // btnStop
150: //
151: this.btnStop.Location = new System.Drawing.Point(111, 61);
152: this.btnStop.Name = "btnStop";
153: this.btnStop.Size = new System.Drawing.Size(88, 21);
154: this.btnStop.TabIndex = 5;
155: this.btnStop.Text = "Stop";
156: this.btnStop.UseVisualStyleBackColor = true;
157: this.btnStop.Click += new System.EventHandler(this.btnStop_Click);
158: //
159: // openFileDialog1
160: //
161: this.openFileDialog1.FileName = "openFileDialog1";
162: this.openFileDialog1.FileOk += new System.ComponentModel.CancelEventHandler(this.openFileDialog1_FileOk);
163: //
164: // btnNewFile
165: //
166: this.btnNewFile.Location = new System.Drawing.Point(205, 61);
167: this.btnNewFile.Name = "btnNewFile";
168: this.btnNewFile.Size = new System.Drawing.Size(75, 23);
169: this.btnNewFile.TabIndex = 6;
170: this.btnNewFile.Text = "Open";
171: this.btnNewFile.UseVisualStyleBackColor = true;
172: this.btnNewFile.Click += new System.EventHandler(this.btnNewFile_Click);
173: //
174: // lblFile
175: //
176: this.lblFile.AutoSize = true;
177: this.lblFile.Location = new System.Drawing.Point(23, 30);
178: this.lblFile.Name = "lblFile";
179: this.lblFile.Size = new System.Drawing.Size(148, 13);
180: this.lblFile.TabIndex = 7;
181: this.lblFile.Text = "C:\\Windows\\Media\\ding.wav";
182: //
183: // label3
184: //
185: this.label3.AutoSize = true;
186: this.label3.Location = new System.Drawing.Point(23, 9);
187: this.label3.Name = "label3";
188: this.label3.Size = new System.Drawing.Size(63, 13);
189: this.label3.TabIndex = 8;
190: this.label3.Text = "Current File:";
191: //
192: // MainForm
193: //
194: this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
195: this.ClientSize = new System.Drawing.Size(292, 260);
196: this.Controls.Add(this.label3);
197: this.Controls.Add(this.lblFile);
198: this.Controls.Add(this.btnNewFile);
199: this.Controls.Add(this.btnStop);
200: this.Controls.Add(this.label2);
201: this.Controls.Add(this.label1);
202: this.Controls.Add(this.txtFreq);
203: this.Controls.Add(this.trackBar1);
204: this.Controls.Add(this.btnPlay);
205: this.Name = "MainForm";
206: this.Text = "Sound Frequency Changer";
207: ((System.ComponentModel.ISupportInitialize)(this.trackBar1)).EndInit();
208: this.ResumeLayout(false);
209: this.PerformLayout();
210:
211: }
212: #endregion
213:
214: /// <summary>
215: /// The main entry point for the application.
216: /// </summary>
217: [STAThread]
218: static void Main()
219: {
220: Application.Run(new MainForm());
221: }
222:
223: private void btnPlay_Click(object sender, System.EventArgs e)
224: {
225:
226: sound.Play(0, BufferPlayFlags.Looping);
227: btnPlay.Enabled = false;
228: btnStop.Enabled = true;
229: }
230:
231: private void trackBar1_ValueChanged(object sender, EventArgs e)
232: {
233: txtFreq.Text = trackBar1.Value.ToString();
234: sound.Frequency = trackBar1.Value;
235: btnPlay.Enabled = true;
236: }
237:
238: private void btnNewFile_Click(object sender, EventArgs e)
239: {
240: openFileDialog1.Filter = "wav files (*.wav)|*.wav|All files (*.*)|*.*";
241: openFileDialog1.ShowDialog();
242: }
243:
244: private void openFileDialog1_FileOk(object sender, CancelEventArgs e)
245: {
246: sound.Stop();
247: btnPlay.Enabled = true;
248: btnStop.Enabled = false;
249: lblFile.Text = openFileDialog1.FileName;
250: sound = new SecondaryBuffer(openFileDialog1.FileName, d, applicationDevice);
251: sound.Frequency = 0; //The default frequency
252:
253: }
254:
255: private void btnStop_Click(object sender, EventArgs e)
256: {
257: sound.Stop();
258: btnStop.Enabled = false;
259: btnPlay.Enabled = true;
260: }
261: }
262: }
263:
264: