/// <summary>
/// Creates <see cref="MouseEventExtArgs"/> from relevant mouse data.
/// </summary>
/// <param name="wParam">First Windows Message parameter.</param>
/// <param name="mouseInfo">A MouseStruct containing information from which to construct MouseEventExtArgs.</param>
/// <returns>A new MouseEventExtArgs object.</returns>
private static MouseEventExtArgs FromRawDataUniversal(int wParam, MouseStruct mouseInfo)
{
MouseButtons button = MouseButtons.None;
short mouseDelta = 0;
int clickCount = 0;
bool isMouseKeyDown = false;
bool isMouseKeyUp = false;
switch (wParam)
{
case Messages.WM_LBUTTONDOWN:
isMouseKeyDown = true;
button = MouseButtons.Left;
clickCount = 1;
break;
case Messages.WM_LBUTTONUP:
isMouseKeyUp = true;
button = MouseButtons.Left;
clickCount = 1;
break;
case Messages.WM_LBUTTONDBLCLK:
isMouseKeyDown = true;
button = MouseButtons.Left;
clickCount = 2;
break;
case Messages.WM_RBUTTONDOWN:
isMouseKeyDown = true;
button = MouseButtons.Right;
clickCount = 1;
break;
case Messages.WM_RBUTTONUP:
isMouseKeyUp = true;
button = MouseButtons.Right;
clickCount = 1;
break;
case Messages.WM_RBUTTONDBLCLK:
isMouseKeyDown = true;
button = MouseButtons.Right;
clickCount = 2;
break;
case Messages.WM_MBUTTONDOWN:
isMouseKeyDown = true;
button = MouseButtons.Middle;
clickCount = 1;
break;
case Messages.WM_MBUTTONUP:
isMouseKeyUp = true;
button = MouseButtons.Middle;
clickCount = 1;
break;
case Messages.WM_MBUTTONDBLCLK:
isMouseKeyDown = true;
button = MouseButtons.Middle;
clickCount = 2;
break;
case Messages.WM_MOUSEWHEEL:
mouseDelta = mouseInfo.MouseData;
break;
case Messages.WM_XBUTTONDOWN:
button = mouseInfo.MouseData == 1 ? MouseButtons.XButton1 :
MouseButtons.XButton2;
isMouseKeyDown = true;
clickCount = 1;
break;
case Messages.WM_XBUTTONUP:
button = mouseInfo.MouseData == 1 ? MouseButtons.XButton1 :
MouseButtons.XButton2;
isMouseKeyUp = true;
clickCount = 1;
break;
case Messages.WM_XBUTTONDBLCLK:
isMouseKeyDown = true;
button = mouseInfo.MouseData == 1 ? MouseButtons.XButton1 :
MouseButtons.XButton2;
clickCount = 2;
break;
case Messages.WM_MOUSEHWHEEL:
mouseDelta = mouseInfo.MouseData;
break;
}
var e = new MouseEventExtArgs(
button,
clickCount,
mouseInfo.Point,
mouseDelta,
mouseInfo.Timestamp,
isMouseKeyDown,
isMouseKeyUp);
return e;
}
/// <summary>
/// Converts the current <see cref="AppMouseStruct"/> into a <see cref="MouseStruct"/>.
/// </summary>
/// <returns></returns>
/// <remarks>
/// The AppMouseStruct does not have a timestamp, thus one is generated at the time of this call.
/// </remarks>
public MouseStruct ToMouseStruct()
{
MouseStruct tmp = new MouseStruct();
tmp.Point = this.Point;
tmp.MouseData = this.MouseData;
tmp.Timestamp = Environment.TickCount;
return tmp;
}
