/// <summary>
/// Initializes window proc hook and reads current DPI info
/// </summary>
private void InitializeTouchProcedures()
{
if (!User32.RegisterTouchWindow(control.Handle, 0))
{
throw new ArgumentException("Cannot register touch window.");
}
// save a pointer to window proc delegate, otherwise it will get garbage collected
windowProcDelegate = WindowProcSubClass;
// According to the SDK doc SetWindowLongPtr should be exported by both 32/64 bit O/S
// But it does not.
originalWindowProcId = IntPtr.Size == 4 ?
User32.SubclassWindow(control.Handle, User32.GWLP_WNDPROC, windowProcDelegate) :
User32.SubclassWindow64(control.Handle, User32.GWLP_WNDPROC, windowProcDelegate);
using (var graphics = System.Drawing.Graphics.FromHwnd(control.Handle))
{
dpiX = graphics.DpiX;
dpiY = graphics.DpiY;
}
}
/// <summary>
/// Connect the handler to the Control
/// </summary>
/// <remarks>
/// The trick is to subclass the Control and intercept touch/gesture events, then reflect
/// them back to the control.
/// </remarks>
private void Initialize()
{
if (!SetHWndTouchInfo())
{
throw new NotSupportedException("Cannot register window");
}
_windowProcDelegate = WindowProcSubClass;
//According to the SDK doc SetWindowLongPtr should be exported by both 32/64 bit O/S
//But it does not.
_originalWindowProcId = IntPtr.Size == 4 ?
User32.SubclassWindow(_hWndWrapper.Handle, User32.GWLP_WNDPROC, _windowProcDelegate) :
User32.SubclassWindow64(_hWndWrapper.Handle, User32.GWLP_WNDPROC, _windowProcDelegate);
//take the desktop DPI
using (Graphics graphics = Graphics.FromHwnd(_hWndWrapper.Handle))
{
DpiX = graphics.DpiX;
DpiY = graphics.DpiY;
}
WindowMessage += (s, e) => { };
}
/// <summary>
/// Initializes window proc hook and reads current DPI info
/// </summary>
private void InitializeTouchProcedures()
{
if (!User32.RegisterTouchWindow(control.Handle, 0))
throw new ArgumentException("Cannot register touch window.");
// save a pointer to window proc delegate, otherwise it will get garbage collected
windowProcDelegate = WindowProcSubClass;
// According to the SDK doc SetWindowLongPtr should be exported by both 32/64 bit O/S
// But it does not.
originalWindowProcId = IntPtr.Size == 4 ?
User32.SubclassWindow(control.Handle, User32.GWLP_WNDPROC, windowProcDelegate) :
User32.SubclassWindow64(control.Handle, User32.GWLP_WNDPROC, windowProcDelegate);
using (var graphics = System.Drawing.Graphics.FromHwnd(control.Handle))
{
dpiX = graphics.DpiX;
dpiY = graphics.DpiY;
}
}
/// <summary>
/// Connect the handler to the Control
/// </summary>
/// <remarks>
/// The trick is to subclass the Control and intercept touch/gesture events, then reflect
/// them back to the control.
/// </remarks>
private void Initialize()
{
if (!SetHWndTouchInfo())
{
throw new NotSupportedException("Cannot register window");
}
_windowProcDelegate = WindowProcSubClass;
//According to the SDK doc SetWindowLongPtr should be exported by both 32/64 bit O/S
//But it does not.
_originalWindowProcId = IntPtr.Size == 4 ?
User32.SubclassWindow(_hWndWrapper.Handle, User32.GWLP_WNDPROC, _windowProcDelegate) :
User32.SubclassWindow64(_hWndWrapper.Handle, User32.GWLP_WNDPROC, _windowProcDelegate);
//take the desktop DPI
using (Graphics graphics = Graphics.FromHwnd(_hWndWrapper.Handle))
{
IntPtr desktop = graphics.GetHdc();
int Xdpi = User32.GetDeviceCaps(desktop, (int)User32.DeviceCap.LOGPIXELSX);
int Ydpi = User32.GetDeviceCaps(desktop, (int)User32.DeviceCap.LOGPIXELSY);
DpiX = Xdpi;
DpiY = Ydpi;
}
//WindowMessage += (s, e) => { };
}
