//鼠标事件源类型
public enum MouseEventSource
{
Mouse,
Pen,
Touch
}
/// <summary>
/// MainWindow.xaml 的交互逻辑
/// </summary>
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
inkcv.PreviewMouseDown += Inkcv_PreviewMouseDown;
inkcv.PreviewMouseMove += Inkcv_PreviewMouseMove;
inkcv.PreviewMouseUp += Inkcv_PreviewMouseUp; } private void Inkcv_PreviewMouseUp(object sender, MouseButtonEventArgs e)
{
var s = GetMouseEventSource();
result.Text = "mouse up,Source: "+ s.ToString();
} private void Inkcv_PreviewMouseMove(object sender, MouseEventArgs e)
{
if (e.LeftButton==MouseButtonState.Pressed)
{
result.Text ="mouse move,Source: "+ GetMouseEventSource().ToString();
} } private void Inkcv_PreviewMouseDown(object sender, MouseButtonEventArgs e)
{
var s = GetMouseEventSource();
result.Text = "mouse previewdown,Source: "+ s.ToString();
} [DllImport("user32.dll")]
private static extern uint GetMessageExtraInfo();
public static MouseEventSource GetMouseEventSource()
{
uint extra = GetMessageExtraInfo();
bool isTouchOrPen = ((extra & 0xffffff00) == 0xff515700);
if (!isTouchOrPen)
return MouseEventSource.Mouse;
bool isTouch = ((extra & 0x00000080) == 0x00000080);
return isTouch ? MouseEventSource.Touch : MouseEventSource.Pen;
}
}