internal 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 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.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;
}
internal 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);
}
internal static extern bool ClientToScreen(
IntPtr hwnd,
ref NativePoint point);
internal static extern int DwmSetIconicLivePreviewBitmap(
IntPtr hwnd,
IntPtr hbitmap,
ref NativePoint ptClient,
uint flags);
/// <summary>
/// Sets the specified peek (live preview) bitmap for the specified
/// window. This is typically done in response to a DWM message.
/// </summary>
/// <param name="hwnd">The window handle.</param>
/// <param name="bitmap">The thumbnail bitmap.</param>
/// <param name="offset">The client area offset at which to display
/// the specified bitmap. The rest of the parent window will be
/// displayed as "remembered" by the DWM.</param>
/// <param name="displayFrame">Whether to display a standard window
/// frame around the bitmap.</param>
internal static void SetPeekBitmap(IntPtr hwnd, IntPtr bitmap, System.Drawing.Point offset, bool displayFrame)
{
var nativePoint = new NativePoint(offset.X, offset.Y);
int rc = DwmSetIconicLivePreviewBitmap(
hwnd,
bitmap,
ref nativePoint,
displayFrame ? DisplayFrame : (uint)0);
if (rc != 0)
{
Exception e = Marshal.GetExceptionForHR(rc);
if (e is ArgumentException)
{
// Ignore argument exception as it's not really recommended to be throwing
// exception when rendering the peek bitmap. If it's some other kind of exception,
// then throw it.
}
else
{
throw e;
}
}
}
