public static System.Drawing.Size GetNonClientArea(IntPtr hwnd)
{
var c = new NativePoint();
TabbedThumbnailNativeMethods.ClientToScreen(hwnd, ref c);
var r = new NativeRect();
TabbedThumbnailNativeMethods.GetWindowRect(hwnd, ref r);
return(new System.Drawing.Size(c.X - r.Left, c.Y - r.Top));
}
internal static System.Drawing.Size GetNonClientArea(IntPtr hwnd)
{
var c = new CoreNativeMethods.POINT(0, 0);
TabbedThumbnailNativeMethods.ClientToScreen(hwnd, ref c);
var r = new CoreNativeMethods.RECT();
TabbedThumbnailNativeMethods.GetWindowRect(hwnd, ref r);
return(new System.Drawing.Size(c.X - r.left, c.Y - r.top));
}
public static System.Drawing.Point GetParentOffsetOfChild(IntPtr hwnd, IntPtr hwndParent)
{
var childScreenCoord = new NativePoint();
TabbedThumbnailNativeMethods.ClientToScreen(hwnd, ref childScreenCoord);
var parentScreenCoord = new NativePoint();
TabbedThumbnailNativeMethods.ClientToScreen(hwndParent, ref parentScreenCoord);
System.Drawing.Point offset = new System.Drawing.Point(
childScreenCoord.X - parentScreenCoord.X,
childScreenCoord.Y - parentScreenCoord.Y);
return(offset);
}