private IntPtr WndProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
{
// Handle messages...
if (msg == this.disMsg && HwClass.HWPacketsGet(1, ref this.pkt) > (ushort)0)
{
if (this.pkt.nButton > 0)
{
if (this.pkt.nButton != this.hw_device_ok_button && this.pkt.nButton == this.hw_device_cancel_button)
{
this.PictureBox_Sign.Refresh();
}
}
else
{
//System.Drawing.Graphics graphics = this.PictureBox_Sign.CreateGraphics();
//System.Drawing.Graphics graphics = Graphics.FromImage(this.PictureBox_Sign.Image); ;
//graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
int nPress = this.pkt.nPress;
int num = nPress <= 0 ? 0 : 1;
System.Drawing.Pen pen = new System.Drawing.Pen(System.Drawing.Color.FromArgb(20, 83, 148), (float)nPress / 400f);
this.ptEnd.X = this.pkt.nXPos * this.PictureBox_Sign.Width / this.devInfo.nXExt;
this.ptEnd.Y = this.pkt.nYPos * this.PictureBox_Sign.Height / this.devInfo.nYExt;
if (this.cachedKey == 0 && num == 1)
{
this.ptStart = this.ptEnd;
}
else if (this.cachedKey == 1 && num == 1)
{
g.DrawLine(pen, this.ptStart, this.ptEnd);
}
else if (this.cachedKey == 1 && num == 0)
{
g.DrawLine(pen, this.ptStart, this.ptEnd);
}
this.cachedKey = num;
this.ptStart = this.ptEnd;
this.PictureBox_Sign.Image = b;
}
}
return(IntPtr.Zero);
}
private void Button_InputSign_Click(object sender, RoutedEventArgs e)
{
HwClass.HWInit(ref this.devInfo, ref this.disMsg, this._windowHandle);
int num = (int)HwClass.HWClearSig();
this.PictureBox_Sign.Refresh();
if (this.PictureBox_Sign.Image != null)
{
this.PictureBox_Sign.Image.Dispose();
this.PictureBox_Sign.Image = null;
}
b = new Bitmap(PictureBox_Sign.Width, PictureBox_Sign.Height);
g = Graphics.FromImage(b);
}
