public static void UpdateCursorInfo()
{
// TODO - make sure everything here is cleaned up properly?
// I'm pretty sure it is but it is good to check
//int x = 0, y = 0;
//return CaptureCursor (ref x, ref y);
Win32Types.CursorInfo ci = new Win32Types.CursorInfo();
ci.cbSize = Marshal.SizeOf(typeof(Win32Types.CursorInfo));
if (!Win32Funcs.GetCursorInfo(ref ci))
{
return;
}
// Todo: this will change if cursor icon changes (via http://stackoverflow.com/questions/358527/how-to-tell-if-mouse-pointer-icon-changed?rq=1),
// So then we can make more expensive and accurate cursor things and only update as needed
IntPtr cursorPointer = ci.hCursor;
cursorHandle = cursorPointer;
int iconWidth = Win32Funcs.GetSystemMetrics(Win32Consts.SystemMetric.SM_CXICON) + 1;
int iconHeight = Win32Funcs.GetSystemMetrics(Win32Consts.SystemMetric.SM_CYICON) + 1;
iconDims = new System.Drawing.Point(iconWidth, iconHeight);
Win32Types.IconInfo hotSpotInfo = new Win32Types.IconInfo();
Win32Funcs.GetIconInfo(cursorPointer, out hotSpotInfo);
//Win32funcs.DrawIcon(hdcBitmap, 1, 1, cursorPointer);
hotspot = new System.Drawing.Point(hotSpotInfo.xHotspot + 1, hotSpotInfo.yHotspot + 1);
if (hotSpotInfo.hbmColor != IntPtr.Zero)
{
Win32Funcs.DeleteObject(hotSpotInfo.hbmColor);
}
if (hotSpotInfo.hbmMask != IntPtr.Zero)
{
Win32Funcs.DeleteObject(hotSpotInfo.hbmMask);
}
Win32Types.PointL cursorPos;
Win32Funcs.GetCursorPos(out cursorPos);
int cursorX = cursorPos.x - hotspot.X;
int cursorY = cursorPos.y - hotspot.Y;
cursorRect = new Win32Types.RECT(cursorX, cursorY, cursorX + iconDims.X, cursorY + iconDims.Y);
}
public static extern IntPtr CreateIconIndirect([In] ref Win32Types.IconInfo piconinfo);
public static extern bool GetIconInfo(IntPtr hIcon, out Win32Types.IconInfo piconinfo);
