private void OnTouchUpHandler(object sender, WMTouchEventArgs e)
{
lock (m_touchlock)
{
this.touches.Remove(e.Id);
}
}
private void OnTouchUpHandler(object sender, WMTouchEventArgs e)
{
Stroke stroke = ActiveStrokes.Remove(e.Id);
Debug.Assert(stroke != null);
FinishedStrokes.Add(stroke);
Invalidate();
}
private void OnTouchMoveHandler(object sender, WMTouchEventArgs e)
{
Stroke stroke = ActiveStrokes.Get(e.Id);
Debug.Assert(stroke != null);
stroke.Add(new Point(e.LocationX, e.LocationY));
stroke.DrawLast(graphics);
}
private void OnTouchMoveHandler(object sender, WMTouchEventArgs e)
{
lock (m_touchlock)
{
TouchData t = this.touches[e.Id];
t.Pos = new Vector2(e.LocationX, e.LocationY);
}
}
private void OnTouchDownHandler(object sender, WMTouchEventArgs e)
{
Debug.Assert(ActiveStrokes.Get(e.Id) == null);
Stroke newStroke = new Stroke(penWidth);
newStroke.Color = touchColor.GetColor(e.IsPrimaryContact);
newStroke.Id = e.Id;
ActiveStrokes.Add(newStroke);
}
public static TouchUpNotification ToTouchUpNotification(this WMTouchEventArgs eventArgs, Control relativeTo)
{
if (STouchUpNotificationConstructor == null) //find correct constructor
{
STouchUpNotificationConstructor = FindTouchNotificationConstructor <TouchUpNotification>();
}
return(ConstructTouchNotification <TouchUpNotification>(STouchUpNotificationConstructor, eventArgs, relativeTo));
}
private void OnTouchDownHandler(object sender, WMTouchEventArgs e)
{
lock (m_touchlock)
{
TouchData t = new TouchData();
t.Id = e.Id;
t.IsNew = true;
t.Pos = new Vector2(e.LocationX, e.LocationY);
this.touches.Add(e.Id, t);
}
}
private bool DecodeTouch(ref Message m)
{
int inputCount = LoWord(m.WParam.ToInt32());
TOUCHINPUT[] inputs;
inputs = new TOUCHINPUT[inputCount];
if (!GetTouchInputInfo(m.LParam, inputCount, inputs, touchInputSize))
{
return(false);
}
bool handled = false;
for (int i = 0; i < inputCount; i++)
{
TOUCHINPUT ti = inputs[i];
EventHandler <WMTouchEventArgs> handler = null;
if ((ti.dwFlags & TOUCHEVENTF_DOWN) != 0)
{
handler = Touchdown;
}
else if ((ti.dwFlags & TOUCHEVENTF_UP) != 0)
{
handler = Touchup;
}
else if ((ti.dwFlags & TOUCHEVENTF_MOVE) != 0)
{
handler = TouchMove;
}
if (handler != null)
{
WMTouchEventArgs te = new WMTouchEventArgs();
te.ContactY = ti.cyContact / 100;
te.ContactX = ti.cxContact / 100;
te.Id = ti.dwID;
{
Point pt = PointToClient(new Point(ti.x / 100, ti.y / 100));
te.LocationX = pt.X;
te.LocationY = pt.Y;
}
te.Time = ti.dwTime;
te.Mask = ti.dwMask;
te.Flags = ti.dwFlags;
handler(this, te);
handled = true;
}
}
CloseTouchInputHandle(m.LParam);
return(handled);
}
// Touch up event handler.
// Finishes the stroke and moves it to the collection of finished strokes.
// in:
// sender object that has sent the event
// e touch event arguments
private void OnTouchUpHandler(object sender, WMTouchEventArgs e)
{
// Find the stroke in the collection of the strokes in drawing
// and remove it from this collection.
Stroke stroke = ActiveStrokes.Remove(e.Id);
Debug.Assert(stroke != null);
// Add this stroke to the collection of finished strokes.
FinishedStrokes.Add(stroke);
// Request full redraw.
Invalidate();
}
// Touch down event handler.
// Starts a new stroke and assigns a color to it.
// in:
// sender object that has sent the event
// e touch event arguments
private void OnTouchDownHandler(object sender, WMTouchEventArgs e)
{
// We have just started a new stroke, which must have an ID value unique
// among all the strokes currently being drawn. Check if there is a stroke
// with the same ID in the collection of the strokes in drawing.
Debug.Assert(ActiveStrokes.Get(e.Id) == null);
// Create new stroke, add point and assign a color to it.
Stroke newStroke = new Stroke ();
newStroke.Color = touchColor.GetColor(e.IsPrimaryContact);
newStroke.Id = e.Id;
// Add new stroke to the collection of strokes in drawing.
ActiveStrokes.Add(newStroke);
}
// Touch move event handler.
// Adds a point to the active stroke and draws new stroke segment.
// in:
// sender object that has sent the event
// e touch event arguments
private void OnTouchMoveHandler(object sender, WMTouchEventArgs e)
{
// Find the stroke in the collection of the strokes in drawing.
Stroke stroke = ActiveStrokes.Get(e.Id);
Debug.Assert(stroke != null);
// Add contact point to the stroke
stroke.Add(new Point(e.LocationX, e.LocationY));
// Partial redraw: only the last line segment
Graphics g = this.CreateGraphics();
stroke.DrawLast(g);
}
static T ConstructTouchNotification <T>(ConstructorInfo constructor, WMTouchEventArgs eventArgs, Control relativeTo) where T : TouchNotification
{
switch (TouchAge)
{
case TouchNotificationAge.Newer:
return((T)constructor.Invoke(new object[] { eventArgs.Location(), relativeTo.ClientSize, eventArgs.Id, eventArgs.IsPrimaryContact, eventArgs.ContactArea(), eventArgs.TouchDeviceID }));
case TouchNotificationAge.Intermediate:
return((T)constructor.Invoke(new object[] { eventArgs.Location(), relativeTo.ClientSize, eventArgs.Id, eventArgs.IsPrimaryContact, eventArgs.ContactArea() }));
case TouchNotificationAge.Older:
return((T)constructor.Invoke(new object[] { eventArgs.Location(), relativeTo.ClientSize, eventArgs.Id, eventArgs.ContactArea() }));
}
return(null);
}
// Touch down event handler.
// Starts a new stroke and assigns a color to it.
// in:
// sender object that has sent the event
// e touch event arguments
private void OnTouchDownHandler(object sender, WMTouchEventArgs e)
{
// We have just started a new stroke, which must have an ID value unique
// among all the strokes currently being drawn. Check if there is a stroke
// with the same ID in the collection of the strokes in drawing.
Debug.Assert(ActiveStrokes.Get(e.Id) == null);
// Create new stroke, add point and assign a color to it.
Stroke newStroke = new Stroke();
newStroke.Color = touchColor.GetColor(e.IsPrimaryContact);
newStroke.Id = e.Id;
// Add new stroke to the collection of strokes in drawing.
ActiveStrokes.Add(newStroke);
}
// Touch move event handler.
// Adds a point to the active stroke and draws new stroke segment.
// in:
// sender object that has sent the event
// e touch event arguments
private void OnTouchMoveHandler(object sender, WMTouchEventArgs e)
{
// Find the stroke in the collection of the strokes in drawing.
Stroke stroke = ActiveStrokes.Get(e.Id);
Debug.Assert(stroke != null);
// Add contact point to the stroke
stroke.Add(new Point(e.LocationX, e.LocationY));
#if (DEBUG_XY)
label5.Text = "TOUCH MOVING";
richTextBox1.AppendText("x: " + e.LocationX.ToString() + " ");
richTextBox1.AppendText("y: " + e.LocationY.ToString() + "\n");
#endif
// Partial redraw: only the last line segment
Graphics g = this.CreateGraphics();
stroke.DrawLast(g);
}
// Touch up event handler.
// Finishes the stroke and moves it to the collection of finished strokes.
// in:
// sender object that has sent the event
// e touch event arguments
private void OnTouchUpHandler(object sender, WMTouchEventArgs e)
{
// Find the stroke in the collection of the strokes in drawing
// and remove it from this collection.
Stroke stroke = ActiveStrokes.Remove(e.Id);
Debug.Assert(stroke != null);
// Add this stroke to the collection of finished strokes.
FinishedStrokes.Add(stroke);
//#if (DEBUG_XY)
label5.Text = "TOUCH UP";
richTextBox1.AppendText("x: " + e.LocationX.ToString() + " ");
richTextBox1.AppendText("y: " + e.LocationY.ToString() + "\n");
//#endif
BoundaryCheck(0, e);
// Request full redraw.
Invalidate();
}
// Touch down event handler.
// Starts a new stroke and assigns a color to it.
// in:
// sender object that has sent the event
// e touch event arguments
private void OnTouchDownHandler(object sender, WMTouchEventArgs e)
{
// We have just started a new stroke, which must have an ID value unique
// among all the strokes currently being drawn. Check if there is a stroke
// with the same ID in the collection of the strokes in drawing.
Debug.Assert(ActiveStrokes.Get(e.Id) == null);
// Create new stroke, add point and assign a color to it.
Stroke newStroke = new Stroke();
newStroke.Color = touchColor.GetColor(e.IsPrimaryContact);
newStroke.Id = e.Id;
// Add new stroke to the collection of strokes in drawing.
ActiveStrokes.Add(newStroke);
//#if (DEBUG_XY)
label5.Text = "TOUCH DOWN";
richTextBox1.AppendText("x: " + e.LocationX.ToString() + " ");
richTextBox1.AppendText("y: " + e.LocationY.ToString() + "\n");
//#endif
BoundaryCheck(1, e);
}
// Touch move event handler.
// Adds a point to the active stroke and draws new stroke segment.
// in:
// sender object that has sent the event
// e touch event arguments
private void OnTouchMoveHandler(object sender, WMTouchEventArgs e)
{
// Find the stroke in the collection of the strokes in drawing.
Stroke stroke = ActiveStrokes.Get(e.Id);
Debug.Assert(stroke != null);
// Add contact point to the stroke
stroke.Add(new Point(e.LocationX, e.LocationY));
#if (DEBUG_XY)
label5.Text = "TOUCH MOVING";
richTextBox1.AppendText("x: " + e.LocationX.ToString() + " ");
richTextBox1.AppendText("y: " + e.LocationY.ToString() + "\n");
#endif
// Partial redraw: only the last line segment
Graphics g = this.CreateGraphics();
stroke.DrawLast(g);
}
private void BoundaryCheck(int down, WMTouchEventArgs e)
{
if (down == 1)
{
x0 = e.LocationX;
y0 = e.LocationY;
}
else
{
x1 = e.LocationX;
y1 = e.LocationY;
if ((x1 - x0) >= boundary_x && (y0 <= boundary_min && y1 <= boundary_min))
{
label5.Text = "Drawing Path 1 to 2 Passed";
richTextBox1.AppendText("Path 1 to 2 Passed\n");
passflag++;
}
else if ((x1 - x0) >= boundary_x && (y1 - y0) >= boundary_y)
{
label5.Text = "Drawing Path 1 to 3 Passed";
richTextBox1.AppendText("Path 1 to 3 Passed\n");
passflag++;
}
else if ((y1 - y0) >= boundary_y && (x0 <= boundary_min && x1 <= boundary_min))
{
label5.Text = "Drawing Path 1 to 4 Passed";
richTextBox1.AppendText("Path 1 to 4 Passed\n");
passflag++;
}
else if ((x1 - x0) >= boundary_x && (y0 >= boundary_y && y1 >= boundary_y))
{
label5.Text = "Drawing Path 4 to 3 Passed";
richTextBox1.AppendText("Path 4 to 3 Passed\n");
passflag++;
}
else if ((x1 - x0) >= boundary_x && (y1 - y0) <= -boundary_y)
{
label5.Text = "Drawing Path 4 to 2 Passed";
richTextBox1.AppendText("Path 4 to 2 Passed\n");
passflag++;
}
else if ((y1 - y0) >= boundary_y && (x0 >= boundary_x && x1 >= boundary_x))
{
label5.Text = "Drawing Path 2 to 3 Passed";
richTextBox1.AppendText("Path 2 to 3 Passed\n");
passflag++;
}
else
{
FinishedStrokes.Clear();
//passflag = 0;
}
}
/// All test cases are passed.
/// Exit itself
if (passflag == 6)
{
Environment.Exit(0);
}
}
private bool DecodeTouch(ref Message m)
{
// More than one touchinput may be associated with a touch message,
int inputCount = (m.WParam.ToInt32() & 0xffff); // Number of touch inputs, actual per-contact messages
TOUCHINPUT[] inputs = new TOUCHINPUT[inputCount];
if (!TouchConstants.GetTouchInputInfo(m.LParam, inputCount, inputs, Marshal.SizeOf(new TOUCHINPUT())))
{
return(false);
}
bool handled = false;
for (int i = 0; i < inputCount; i++)
{
TOUCHINPUT ti = inputs[i];
EventHandler <WMTouchEventArgs> handler = null;
if ((ti.dwFlags & TouchConstants.TOUCHEVENTF_DOWN) != 0)
{
handler = Touchdown;
}
else if ((ti.dwFlags & TouchConstants.TOUCHEVENTF_UP) != 0)
{
handler = Touchup;
}
else if ((ti.dwFlags & TouchConstants.TOUCHEVENTF_MOVE) != 0)
{
handler = TouchMove;
}
// Convert message parameters into touch event arguments and handle the event.
if (handler != null)
{
WMTouchEventArgs te = new WMTouchEventArgs();
// TOUCHINFO point coordinates and contact size is in 1/100 of a pixel; convert it to pixels.
// Also convert screen to client coordinates.
te.ContactY = ti.cyContact / 100;
te.ContactX = ti.cxContact / 100;
te.Id = ti.dwID;
{
Point pt = PointToClient(new Point(ti.x / 100, ti.y / 100));
te.LocationX = pt.X;
te.LocationY = pt.Y;
}
te.Time = ti.dwTime;
te.Mask = ti.dwMask;
te.Flags = ti.dwFlags;
handler(this, te);
// Mark this event as handled.
handled = true;
}
}
TouchConstants.CloseTouchInputHandle(m.LParam);
return(handled);
}
public static Point Location(this WMTouchEventArgs args)
{
return(new Point(args.LocationX, args.LocationY));
}
// Touch move event handler.
// Adds a point to the active stroke and draws new stroke segment.
// in:
// sender object that has sent the event
// e touch event arguments
private void OnTouchMoveHandler(object sender, WMTouchEventArgs e)
{
// Find the stroke in the collection of the strokes in drawing.
Stroke stroke = ActiveStrokes.Get(e.Id);
Debug.Assert(stroke != null);
// Add contact point to the stroke
stroke.Add(new Point(e.LocationX, e.LocationY));
// Partial redraw: only the last line segment
Graphics g = this.CreateGraphics();
stroke.DrawLast(g);
}
public static Size ContactArea(this WMTouchEventArgs args)
{
return(new Size(args.ContactX, args.ContactY));
}
// Decodes and handles WM_TOUCH* messages.
// Unpacks message arguments and invokes appropriate touch events.
// in:
// m window message
// returns:
// flag whether the message has been handled
public bool DecodeTouch(ref Message m)
{
// More than one touchinput may be associated with a touch message,
// so an array is needed to get all event information.
int inputCount = LoWord(m.WParam.ToInt32()); // Number of touch inputs, actual per-contact messages
TOUCHINPUT[] inputs; // Array of TOUCHINPUT structures
try
{
inputs = new TOUCHINPUT[inputCount]; // Allocate the storage for the parameters of the per-contact messages
}
catch (Exception exception)
{
Debug.Print("ERROR: Could not allocate inputs array");
Debug.Print(exception.ToString());
return false;
}
Debug.Print("Inputs: " + inputs.Length.ToString());
// Unpack message parameters into the array of TOUCHINPUT structures, each
// representing a message for one single contact.
//Exercise2-Task1-Step3
if (!GetTouchInputInfo(m.LParam, inputCount, inputs, touchInputSize))
{
// Get touch info failed.
return false;
}
// For each contact, dispatch the message to the appropriate message
// handler.
// Note that for WM_TOUCHDOWN you can get down & move notifications
// and for WM_TOUCHUP you can get up & move notifications
// WM_TOUCHMOVE will only contain move notifications
// and up & down notifications will never come in the same message
bool handled = false; // // Flag, is message handled
//Exercise2-Task1-Step4
for (int i = 0; i < inputCount; i++)
{
TOUCHINPUT ti = inputs[i];
// Assign a handler to this message.
EventHandler<WMTouchEventArgs> handler = null; // Touch event handler
if ((ti.dwFlags & TOUCHEVENTF_DOWN) != 0)
{
handler = Touchdown;
}
else if ((ti.dwFlags & TOUCHEVENTF_UP) != 0)
{
handler = Touchup;
}
else if ((ti.dwFlags & TOUCHEVENTF_MOVE) != 0)
{
handler = TouchMove;
}
Debug.Print("Inputs: " + inputs.Length.ToString() + "\r\nCoordinates: " + ti.x.ToString() + "," + ti.y.ToString());
// Convert message parameters into touch event arguments and handle the event.
if (handler != null)
{
// Convert the raw touchinput message into a touchevent.
WMTouchEventArgs te; // Touch event arguments
try
{
te = new WMTouchEventArgs();
}
catch (Exception excep)
{
Debug.Print("Could not allocate WMTouchEventArgs");
Debug.Print(excep.ToString());
continue;
}
// TOUCHINFO point coordinates and contact size is in 1/100 of a pixel; convert it to pixels.
// Also convert screen to client coordinates.
te.ContactY = ti.cyContact / 100;
te.ContactX = ti.cxContact / 100;
te.Id = ti.dwID;
{
Point pt = PointToClient(new Point(ti.x / 100, ti.y / 100));
te.LocationX = pt.X;
te.LocationY = pt.Y;
}
te.Time = ti.dwTime;
te.Mask = ti.dwMask;
te.Flags = ti.dwFlags;
// Invoke the event handler.
handler(this, te);
// Mark this event as handled.
handled = true;
}
}
CloseTouchInputHandle(m.LParam);
return handled;
}
// Touch up event handler.
// Finishes the stroke and moves it to the collection of finished strokes.
// in:
// sender object that has sent the event
// e touch event arguments
private void OnTouchUpHandler(object sender, WMTouchEventArgs e)
{
// Find the stroke in the collection of the strokes in drawing
// and remove it from this collection.
Stroke stroke = ActiveStrokes.Remove(e.Id);
Debug.Assert(stroke != null);
// Add this stroke to the collection of finished strokes.
FinishedStrokes.Add(stroke);
// Request full redraw.
Invalidate();
}
// Decodes and handles WM_TOUCH message.
// Unpacks message arguments and invokes appropriate touch events.
// in:
// m window message
// returns:
// whether the message has been handled
private bool DecodeTouch(ref Message m)
{
// More than one touchinput may be associated with a touch message,
// so an array is needed to get all event information.
int inputCount = LoWord(m.WParam.ToInt32()); // Number of touch inputs, actual per-contact messages
TOUCHINPUT[] inputs; // Array of TOUCHINPUT structures
inputs = new TOUCHINPUT[inputCount]; // Allocate the storage for the parameters of the per-contact messages
// Unpack message parameters into the array of TOUCHINPUT structures, each
// representing a message for one single contact.
if (!GetTouchInputInfo(m.LParam, inputCount, inputs, touchInputSize))
{
// Get touch info failed.
return false;
}
// For each contact, dispatch the message to the appropriate message
// handler.
bool handled = false; // Boolean, is message handled
for (int i = 0; i < inputCount; i++)
{
TOUCHINPUT ti = inputs[i];
// Assign a handler to this message.
EventHandler<WMTouchEventArgs> handler = null; // Touch event handler
if ((ti.dwFlags & TOUCHEVENTF_DOWN) != 0)
{
handler = Touchdown;
}
else if ((ti.dwFlags & TOUCHEVENTF_UP) != 0)
{
handler = Touchup;
}
else if ((ti.dwFlags & TOUCHEVENTF_MOVE) != 0)
{
handler = TouchMove;
}
// Convert message parameters into touch event arguments and handle the event.
if (handler != null)
{
// Convert the raw touchinput message into a touchevent.
WMTouchEventArgs te = new WMTouchEventArgs(); // Touch event arguments
// TOUCHINFO point coordinates and contact size is in 1/100 of a pixel; convert it to pixels.
// Also convert screen to client coordinates.
te.ContactY = ti.cyContact/100;
te.ContactX = ti.cxContact/100;
te.Id = ti.dwID;
{
Point pt = PointToClient(new Point(ti.x/100, ti.y/100));
te.LocationX = pt.X;
te.LocationY = pt.Y;
}
te.Time = ti.dwTime;
te.Mask = ti.dwMask;
te.Flags = ti.dwFlags;
// Invoke the event handler.
handler(this, te);
// Mark this event as handled.
handled = true;
}
}
CloseTouchInputHandle(m.LParam);
return handled;
}
private void BoundaryCheck(int down, WMTouchEventArgs e)
{
if (down == 1)
{
x0 = e.LocationX;
y0 = e.LocationY;
}
else
{
x1 = e.LocationX;
y1 = e.LocationY;
if ((x1 - x0) >= boundary_x && (y0 <= boundary_min && y1 <= boundary_min))
{
label5.Text = "Drawing Path 1 to 2 Passed";
richTextBox1.AppendText("Path 1 to 2 Passed\n");
passflag++;
}
else if ((x1 - x0) >= boundary_x && (y1 - y0) >= boundary_y)
{
label5.Text = "Drawing Path 1 to 3 Passed";
richTextBox1.AppendText("Path 1 to 3 Passed\n");
passflag++;
}
else if ((y1 - y0) >= boundary_y && (x0 <= boundary_min && x1 <= boundary_min))
{
label5.Text = "Drawing Path 1 to 4 Passed";
richTextBox1.AppendText("Path 1 to 4 Passed\n");
passflag++;
}
else if ((x1 - x0) >= boundary_x && (y0 >= boundary_y && y1 >= boundary_y))
{
label5.Text = "Drawing Path 4 to 3 Passed";
richTextBox1.AppendText("Path 4 to 3 Passed\n");
passflag++;
}
else if ((x1 - x0) >= boundary_x && (y1 - y0) <= -boundary_y)
{
label5.Text = "Drawing Path 4 to 2 Passed";
richTextBox1.AppendText("Path 4 to 2 Passed\n");
passflag++;
}
else if ((y1 - y0) >= boundary_y && (x0 >= boundary_x && x1 >= boundary_x))
{
label5.Text = "Drawing Path 2 to 3 Passed";
richTextBox1.AppendText("Path 2 to 3 Passed\n");
passflag++;
}
else
{
FinishedStrokes.Clear();
//passflag = 0;
}
}
/// All test cases are passed.
/// Exit itself
if (passflag == 6)
{
Environment.Exit(0);
}
}
// Touch down event handler.
// Starts a new stroke and assigns a color to it.
// in:
// sender object that has sent the event
// e touch event arguments
private void OnTouchDownHandler(object sender, WMTouchEventArgs e)
{
// We have just started a new stroke, which must have an ID value unique
// among all the strokes currently being drawn. Check if there is a stroke
// with the same ID in the collection of the strokes in drawing.
Debug.Assert(ActiveStrokes.Get(e.Id) == null);
// Create new stroke, add point and assign a color to it.
Stroke newStroke = new Stroke ();
newStroke.Color = touchColor.GetColor(e.IsPrimaryContact);
newStroke.Id = e.Id;
// Add new stroke to the collection of strokes in drawing.
ActiveStrokes.Add(newStroke);
//#if (DEBUG_XY)
label5.Text = "TOUCH DOWN";
richTextBox1.AppendText("x: " + e.LocationX.ToString() + " ");
richTextBox1.AppendText("y: " + e.LocationY.ToString() + "\n");
//#endif
BoundaryCheck(1, e);
}
// Decodes and handles WM_TOUCH message.
// Unpacks message arguments and invokes appropriate touch events.
// in:
// m window message
// returns:
// whether the message has been handled
private bool DecodeTouch(ref Message m)
{
// More than one touchinput may be associated with a touch message,
// so an array is needed to get all event information.
int inputCount = LoWord(m.WParam.ToInt32()); // Number of touch inputs, actual per-contact messages
TOUCHINPUT[] inputs; // Array of TOUCHINPUT structures
inputs = new TOUCHINPUT[inputCount]; // Allocate the storage for the parameters of the per-contact messages
// Unpack message parameters into the array of TOUCHINPUT structures, each
// representing a message for one single contact.
if (!GetTouchInputInfo(m.LParam, inputCount, inputs, touchInputSize))
{
// Get touch info failed.
return(false);
}
// For each contact, dispatch the message to the appropriate message
// handler.
bool handled = false; // Boolean, is message handled
for (int i = 0; i < inputCount; i++)
{
TOUCHINPUT ti = inputs[i];
// Assign a handler to this message.
EventHandler <WMTouchEventArgs> handler = null; // Touch event handler
if ((ti.dwFlags & TOUCHEVENTF_DOWN) != 0)
{
handler = Touchdown;
}
else if ((ti.dwFlags & TOUCHEVENTF_UP) != 0)
{
handler = Touchup;
}
else if ((ti.dwFlags & TOUCHEVENTF_MOVE) != 0)
{
handler = TouchMove;
}
// Convert message parameters into touch event arguments and handle the event.
if (handler != null)
{
// Convert the raw touchinput message into a touchevent.
WMTouchEventArgs te = new WMTouchEventArgs(); // Touch event arguments
// TOUCHINFO point coordinates and contact size is in 1/100 of a pixel; convert it to pixels.
// Also convert screen to client coordinates.
te.ContactY = ti.cyContact / 100;
te.ContactX = ti.cxContact / 100;
te.Id = ti.dwID;
{
Point pt = PointToClient(new Point(ti.x / 100, ti.y / 100));
te.LocationX = pt.X;
te.LocationY = pt.Y;
}
te.Time = ti.dwTime;
te.Mask = ti.dwMask;
te.Flags = ti.dwFlags;
// Invoke the event handler.
handler(this, te);
// Mark this event as handled.
handled = true;
}
}
CloseTouchInputHandle(m.LParam);
return(handled);
}
// Touch up event handler.
// Finishes the stroke and moves it to the collection of finished strokes.
// in:
// sender object that has sent the event
// e touch event arguments
private void OnTouchUpHandler(object sender, WMTouchEventArgs e)
{
// Find the stroke in the collection of the strokes in drawing
// and remove it from this collection.
Stroke stroke = ActiveStrokes.Remove(e.Id);
Debug.Assert(stroke != null);
// Add this stroke to the collection of finished strokes.
FinishedStrokes.Add(stroke);
//#if (DEBUG_XY)
label5.Text = "TOUCH UP";
richTextBox1.AppendText("x: " + e.LocationX.ToString() + " ");
richTextBox1.AppendText("y: " + e.LocationY.ToString() + "\n");
//#endif
BoundaryCheck(0, e);
// Request full redraw.
Invalidate();
}