bool IMessageFilter.PreFilterMessage(ref System.Windows.Forms.Message m)
{
TwainCommand Tc = Tw.PassMessage(ref m);
if (Tc == TwainCommand.Not)
{
return(false);
}
if (Tc == TwainCommand.Null)//by dh
{
return(false);
}
switch (Tc)
{
case TwainCommand.CloseRequest:
timer1.Stop();
break;
case TwainCommand.CloseOk:
EndScanning();
Tw.CloseSrc();
break;
case TwainCommand.DeviceEvent:
timer1.Stop();
break;
case TwainCommand.TransferReady:
timer1.Enabled = true;
timer1.Interval = 10;
timer1.Start();
ArrayList LstPic = Tw.TransferPictures(); //点击扫描按钮
EndScanning();
Tw.CloseSrc();
string inhosTimes = txtTimes.Text;
if (inhosTimes.ToString().Length == 1)
{
inhosTimes = "0" + inhosTimes;
}
for (int i = 0; i < LstPic.Count; ++i)
{
IntPtr Img = (IntPtr)LstPic[i];
Page++;
string page = SetPage(Page);
string fileName = txtID.Text + "_" + inhosTimes + "_" + page + "_00";
bmpptr = GlobalLock(Img);
pixptr = GetPixelInfo(bmpptr);
Gdip.SaveDIBAs(txtFolder.Text, fileName, bmpptr, pixptr); //保存图片
}
isSuccessEnd = true; //已完成
OnRefresh(null, null); //刷新图片采集主窗体
timer1.Stop();
this.Close();
break;
}
return(true);
}
bool IMessageFilter.PreFilterMessage(ref System.Windows.Forms.Message m)
{
TwainCommand Tc = Tw.PassMessage(ref m);
if (Tc == TwainCommand.Not)
{
return(false);
}
if (Tc == TwainCommand.Null)//by dh
{
return(false);
}
switch (Tc)
{
case TwainCommand.CloseRequest:
case TwainCommand.CloseOk:
EndScanning();
Tw.CloseSrc();
break;
case TwainCommand.DeviceEvent:
break;
case TwainCommand.TransferReady:
ArrayList LstPic = Tw.TransferPictures();
EndScanning();
Tw.CloseSrc();
string inhosTimes = txtTimes.Text;
if (inhosTimes.ToString().Length == 1)
{
inhosTimes = "0" + inhosTimes;
}
for (int i = 0; i < LstPic.Count; ++i)
{
IntPtr Img = (IntPtr)LstPic[i];
Page++;
string page = SetPage(Page);
string fileName = LURecordNO.DisplayText + "_" + inhosTimes + "_" + page + "_00";
bmpptr = GlobalLock(Img);
pixptr = GetPixelInfo(bmpptr);
Gdip.SaveDIBAs(txtFolder.Text, fileName, bmpptr, pixptr); //保存图片
}
DataTable data = CreatePictureDate(txtFolder.Text);
pictureGrid.DataSource = data;
if (data != null && data.Rows.Count > 0)
{
pictureView.FocusedRowHandle = data.Rows.Count - 1;
}
txtPage.Text = SetPage(Page + 1);
break;
//case TwainCommand.Null://by dh
// EndScanning();
// Tw.CloseSrc();
// break;
}
return(true);
}
bool IMessageFilter.PreFilterMessage(ref System.Windows.Forms.Message m)
{
TwainCommand Tc = Tw.PassMessage(ref m);
if (Tc == TwainCommand.Not)
{
return(false);
}
//if (Tc == TwainCommand.Null)//by dh
//{
// return false;
//}
switch (Tc)
{
case TwainCommand.CloseRequest:
case TwainCommand.CloseOk:
EndScanning();
Tw.CloseSrc();
break;
case TwainCommand.DeviceEvent:
break;
case TwainCommand.TransferReady:
ArrayList LstPic = Tw.TransferPictures();
EndScanning();
Tw.CloseSrc();
string inhosTimes = txtTimes.Text;
if (inhosTimes.ToString().Length == 1)
{
inhosTimes = "0" + inhosTimes;
}
for (int i = 0; i < LstPic.Count; ++i)
{
IntPtr Img = (IntPtr)LstPic[i];
Page++;
string page = SetPage(Page);
string fileName = LURecordNO.DisplayText + "_" + inhosTimes + "_" + page + "_00";
bmpptr = GlobalLock(Img);
pixptr = GetPixelInfo(bmpptr);
Gdip.SaveDIBAs(txtFolder.Text, fileName, bmpptr, pixptr); //保存图片
}
for (int i = 0; i < LstPic.Count; ++i) //回收内存
{
IntPtr Img = (IntPtr)LstPic[i];
Marshal.FreeHGlobal(Img);
}
DataTable data = CreatePictureDate(txtFolder.Text);
pictureGrid.DataSource = data;
if (data != null && data.Rows.Count > 0)
{
pictureView.FocusedRowHandle = data.Rows.Count - 1;
}
txtStartPage.Text = SetPage(Page + 1);
LstPic.Clear();
//GC.SuppressFinalize(this);
GC.Collect(); //回收内存
//dibhand = IntPtr.Zero;
//bmpptr = IntPtr.Zero;
//pixptr = IntPtr.Zero;
//Marshal.FreeCoTaskMem(dibhand);
//Marshal.FreeCoTaskMem(bmpptr);
//Marshal.FreeCoTaskMem(pixptr);
//Marshal.FreeHGlobal(dibhand);
//Marshal.FreeHGlobal(bmpptr);
//Marshal.FreeHGlobal(pixptr);
break;
}
return(true);
}