C# 用 trackbar来进行音量控制的程序代码

[zhanghuize]

C# 用 trackbar来进行音量控制的程序代码

[h_w_king]

[DllImport("winmm.dll")] //引用winmm.dll
public static extern long waveOutSetVolume(uint deviceID, uint Volume); //参数为uint
private void trackBar1_Scroll(object sender, EventArgs e)
{
waveOutSetVolume(0, Convert.ToUInt16(trackBar1.Value));

}