# aardio 范例: 录音（NAudio）



```aardio
//录音（NAudio）
import fonts.fontAwesome;
import win.ui;
/*DSG{{*/
var winform = win.form(text="录音";right=382;bottom=201)
winform.add(
btnPlay={cls="plus";text="播放";left=59;top=132;right=156;bottom=162;align="left";color=3947580;dl=1;dt=1;font=LOGFONT(h=-13);iconColor=32768;iconStyle={align="left";font=LOGFONT(h=-16;name='FontAwesome')};iconText='\uF027';notify=1;textPadding={left=20};z=3};
btnRecord={cls="plus";text="录音";left=59;top=84;right=196;bottom=115;align="left";dl=1;dt=1;font=LOGFONT(h=-14);iconColor=17151;iconStyle={align="left";font=LOGFONT(h=-14;name='FontAwesome')};iconText='\uF130';notify=1;textPadding={left=20};z=1};
cmbDevices={cls="combobox";left=59;top=25;right=264;bottom=51;dl=1;dt=1;edge=1;items={};mode="dropdown";z=2};
recordingLevelMeter={cls="plus";left=23;top=25;right=31;bottom=156;bgcolor=6447459;db=1;dl=1;dt=1;forecolor=17151;hide=1;notify=1;z=4}
)
/*}}*/

import dotNet.audio;
winform.recordingLevelMeter.setProgressRange(1,100);
dotNet.audio.onWaveIn = function(max){
	winform.recordingLevelMeter.progressPos = max * 100;
}

var devices = {"系统声音"};
for deviceNumber,deviceName,caps in dotNet.audio.eachWaveInDevice(){
	table.push(devices,deviceName);
}

winform.cmbDevices.items = devices;
winform.cmbDevices.selIndex = 1;
 
import fsys.media;
winform.btnRecord.oncommand = function(id,event){
	fsys.media.playSound(null);
	
	if(winform.btnRecord.checked){
		var deviceNumber = winform.cmbDevices.selIndex - 3;
		dotNet.audio.startWaveIn("/test.wav",deviceNumber);
		winform.btnPlay.disabled = true;
		
		winform.recordingLevelMeter.visible = true;
	}
	else {
		dotNet.audio.stopWaveIn();
		winform.btnPlay.disabled = false;
		winform.recordingLevelMeter.visible = false;
	} 
}

import fsys.media;
winform.btnPlay.oncommand = function(id,event){
	winform.recordingLevelMeter.visible = true;
	fsys.media.playSound("/test.wav");
	dotNet.audio.startWaveIn();
}
winform.btnPlay.disabled = true;

winform.btnPlay.skin({
	color={
		active=0xFF00FF00;
		default=0xFF3C3C3C;
		disabled=0xFF6D6D6D;
		hover=0xFFFF0000
	}
	iconColor = {
		default=0xFF008000;
		disabled=0xFF6D6D6D;
	}
})

winform.btnRecord.skin({
	color={
		active=0xFF00FF00;
		default=0xFF000000;
		disabled=0xEE666666;
		hover=0xFFFF0000
	};
	checked={
		iconColor={default=0xFFff4200};
		iconText='\uF04D';
		text="停止录音"
	}
})

winform.show();
win.loopMessage();
```