/// <summary>
/// Simulate pressing the mouse button(s) at the specified <see cref="PointF"/>.
/// </summary>
/// <param name="buttons">
/// A bitwise combination of the <see cref="MouseButtons"/> enumeration values.
/// </param>
/// <param name="point">
/// A <see cref="PointF"/>, relative to the control under test,
/// to <see cref="Position">move</see> the mouse to.
/// </param>
/// <remarks>
/// <b>Press</b> positions the mouse over the control under test
/// at the specified <paramref name="point"/>
/// and then simulates pressing the specified <paramref name="buttons"/>.
/// </remarks>
/// <exception cref="NotSupportedException">
/// When <paramref name="buttons"/> contains <see cref="MouseButtons">MouseButtons.XButton1</see>
/// or <see cref="MouseButtons">MouseButtons.XButton2</see> and the installed mouse does have 4
/// or 5 buttons, respectively.
/// </exception>
public void Press(MouseButtons buttons, PointF point)
{
Win32.MOUSEINPUT mi = new Win32.MOUSEINPUT(0);
if ((buttons & MouseButtons.Left) != 0)
{
mi.dwFlags |= Win32.MOUSEEVENTF_LEFTDOWN;
}
if ((buttons & MouseButtons.Right) != 0)
{
mi.dwFlags |= Win32.MOUSEEVENTF_RIGHTDOWN;
}
if ((buttons & MouseButtons.Middle) != 0)
{
mi.dwFlags |= Win32.MOUSEEVENTF_MIDDLEDOWN;
}
if ((buttons & MouseButtons.XButton1) != 0)
{
if (SystemInformation.MouseButtons < 4)
{
throw new NotSupportedException("A mouse with at least 4 buttons is required.");
}
mi.dwFlags |= Win32.MOUSEEVENTF_XDOWN;
mi.mouseData |= Win32.XBUTTON1;
//mi.mouseData = Win32.XBUTTON1;
}
if ((buttons & MouseButtons.XButton2) != 0)
{
if (SystemInformation.MouseButtons < 5)
{
throw new NotSupportedException("A mouse with at least 5 buttons is required.");
}
mi.dwFlags |= Win32.MOUSEEVENTF_XDOWN;
mi.mouseData |= Win32.XBUTTON2;
//mi.mouseData = Win32.XBUTTON2;
}
Position = point;
if (mi.dwFlags != 0)
{
if (0 == Win32.SendMouseInput(1, ref mi, Marshal.SizeOf(mi)))
{
throw new Win32Exception();
}
Application.DoEvents();
}
}
/// <summary>
/// Simulate releasing the mouse button(s) at the specified <see cref="PointF"/>.
/// </summary>
/// <param name="buttons">
/// A bitwise combination of the <see cref="MouseButtons"/> enumeration values.
/// </param>
/// <param name="point">
/// A <see cref="PointF"/>, relative to the control under test,
/// to <see cref="Position">move</see> the mouse to.
/// </param>
/// <remarks>
/// <b>Release</b> positions the mouse over the control under test
/// at the specified <paramref name="point"/>
/// and then simulates releasing the specified <paramref name="buttons"/>.
/// </remarks>
/// <exception cref="NotSupportedException">
/// When <paramref name="buttons"/> contains <see cref="MouseButtons">MouseButtons.XButton1</see>
/// or <see cref="MouseButtons">MouseButtons.XButton2</see> and the installed mouse does have 4
/// or 5 buttons, respectively.
/// </exception>
public void Release(MouseButtons buttons, PointF point)
{
Win32.MOUSEINPUT mi = new Win32.MOUSEINPUT(0);
if((buttons & MouseButtons.Left) != 0)
{
mi.dwFlags |= Win32.MOUSEEVENTF_LEFTUP;
}
if((buttons & MouseButtons.Right) != 0)
{
mi.dwFlags |= Win32.MOUSEEVENTF_RIGHTUP;
}
if((buttons & MouseButtons.Middle) != 0)
{
mi.dwFlags |= Win32.MOUSEEVENTF_MIDDLEUP;
}
if((buttons & MouseButtons.XButton1) != 0)
{
if(SystemInformation.MouseButtons < 4)
{
throw new NotSupportedException("A mouse with at least 4 buttons is required.");
}
mi.dwFlags |= Win32.MOUSEEVENTF_XUP;
mi.mouseData = Win32.XBUTTON1;
}
if((buttons & MouseButtons.XButton2) != 0)
{
if(SystemInformation.MouseButtons < 5)
{
throw new NotSupportedException("A mouse with at least 5 buttons is required.");
}
mi.dwFlags |= Win32.MOUSEEVENTF_XUP;
mi.mouseData = Win32.XBUTTON2;
}
if(mi.dwFlags != 0)
{
Position = point;
if(0 == Win32.SendMouseInput(1, ref mi, Marshal.SizeOf(mi)))
{
throw new Win32Exception();
}
Application.DoEvents();
}
}
