Added experimental option to sync events to UI thread.

This commit is contained in:
soukoku
2014-04-16 20:39:30 -04:00
parent b7993de123
commit a91d5aa4f2
6 changed files with 162 additions and 132 deletions

View File

@@ -61,10 +61,21 @@ namespace Tester.Winform
{
var appId = TWIdentity.CreateFromAssembly(DataGroups.Image, Assembly.GetEntryAssembly());
_twain = new TwainSession(appId);
// either set this and don't worry about threads during events,
// or don't and invoke during the events yourselv
_twain.SynchronizationContext = SynchronizationContext.Current;
_twain.StateChanged += (s, e) =>
{
Debug.WriteLine("State change on thread " + Thread.CurrentThread.ManagedThreadId);
//this.BeginInvoke(new Action(() =>
//{
// Debug.WriteLine("State change marshaled to thread " + Thread.CurrentThread.ManagedThreadId);
//}));
};
_twain.DataTransferred += (s, e) =>
{
this.Invoke(new Action(() =>
{
//this.Invoke(new Action(() =>
//{
if (pictureBox1.Image != null)
{
pictureBox1.Image.Dispose();
@@ -72,7 +83,6 @@ namespace Tester.Winform
}
if (e.NativeData != IntPtr.Zero)
{
//_ptrTest = e.Data;
var img = e.NativeData.GetDrawingBitmap();
if (img != null)
pictureBox1.Image = img;
@@ -82,17 +92,17 @@ namespace Tester.Winform
var img = new Bitmap(e.FileDataPath);
pictureBox1.Image = img;
}
}));
//}));
};
_twain.SourceDisabled += (s, e) =>
{
this.Invoke(new Action(() =>
{
//this.Invoke(new Action(() =>
//{
btnStopScan.Enabled = false;
btnStartCapture.Enabled = true;
panelOptions.Enabled = true;
LoadSourceCaps();
}));
//}));
};
_twain.TransferReady += (s, e) =>
{