protected override void DefWndProc(ref Message msg)
{
if (msg.Msg == USER + 123)//receive code info from the 532 dll
{
Dll_Camera.setQRable(false);
Dll_Camera.setDMable(false);
Dll_Camera.setBarcode(false);
IntPtr wp = new IntPtr((int)msg.WParam);
byte[] wpbuf = new byte[((int)msg.LParam)];
Marshal.Copy(wp, wpbuf, 0, ((int)msg.LParam));
string strBC = System.Text.Encoding.GetEncoding("GB2312").GetString(wpbuf, 0, ((int)msg.LParam));
this.codeInfo.AppendText(strBC.Trim());
Thread.Sleep(2000);
if (this.qrEnable == true)
{
Dll_Camera.setQRable(true);
}
if (this.dmEnable == true)
{
Dll_Camera.setDMable(true);
}
if (this.barEnable == true)
{
Dll_Camera.setBarcode(true);
}
}
else
{
base.DefWndProc(ref msg);
}
}
//定时器 定时查看设备连接状态
private void timerCheck_Tick(object sender, EventArgs e)
{
if (!deviceState)
{
int flag = Dll_Camera.StartDevice();
//Dll_Camera.StartDevice();启动设备
//int result = Dll_Camera.GetDevice();
if (flag == 1)
//if(result == 1)
{
//第三步：设置打开蜂鸣器，DLL默认不打开
Dll_Camera.SetBeep(true);
//设置一维
Dll_Camera.setBarcode(barEnable);
//设置qr
Dll_Camera.setQRable(qrEnable);
//设置dm
Dll_Camera.setDMable(dmEnable);
//设置扫码成功蜂鸣
Dll_Camera.SetBeepTime(100);
Dll_Camera.SetDecodeTime(200);
deviceState = true;
this.labelText.Text = "解码信息：(设备已连接)";
}
else if (flag == -1)
{
this.labelText.Text = "解码信息：(设备已启动)";
}
else if (flag == -2)
{
this.labelText.Text = "解码信息：(设备已断开)";
}
else if (flag == -3)
{
this.labelText.Text = "解码信息：(设备已初始化失败)";
}
}
else
{
int result = Dll_Camera.GetDevice();
// 定时获取设备信息
if (result == 1)
{
this.labelText.Text = "解码信息：(设备已连接)";
}
else
{
deviceState = false;
Dll_Camera.ReleaseLostDevice();
this.labelText.Text = "解码信息：(设备已断开)";
}
}
}
private void barDecode_CheckedChanged(object sender, EventArgs e)
{
if (this.barDecode.Checked == true)
{
this.barEnable = true;
}
else
{
this.barEnable = false;
}
Dll_Camera.setBarcode(false);
}
//点击“获取解码信息”按钮，通过DLL里的GetDecodeString函数取得码值
private void buttonRead_Click(object sender, EventArgs e)
{
if (deviceState)
{
int Length = 1024;
StringBuilder tempStr = new StringBuilder(Length);
Dll_Camera.setQRable(false);//为防止重复信息误读 关闭解码
Dll_Camera.setBarcode(false);
Dll_Camera.GetDecodeString(tempStr, out Length);
if (Length > 0)
{
this.textBox1.AppendText(tempStr.ToString());
}
Thread.Sleep(1000);
Dll_Camera.setQRable(true);
Dll_Camera.setBarcode(true);//传输解码信息完毕 开启解码
}
else
{
MessageBox.Show("设备已断开");
}
}