internal static bool GetClientSize(IntPtr hwnd, out System.Drawing.Size size) { NativeRect rect = new NativeRect(); if (!GetClientRect(hwnd, ref rect)) { size = new System.Drawing.Size(-1, -1); return false; } size = new System.Drawing.Size(rect.Right, rect.Bottom); return true; }
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 extern bool GetClientRect(IntPtr hwnd, ref NativeRect rect);
internal static extern bool GetWindowRect(IntPtr hwnd, ref NativeRect rect);
/// <summary> /// Selects a portion of a window's client area to display as that window's thumbnail in the taskbar. /// </summary> /// <param name="windowHandle">The handle to a window represented in the taskbar. This has to be a top-level window.</param> /// <param name="clippingRectangle">Rectangle structure that specifies a selection within the window's client area, /// relative to the upper-left corner of that client area. /// <para>If this parameter is null, the clipping area will be cleared and the default display of the thumbnail will be used instead.</para></param> public void SetThumbnailClip(IntPtr windowHandle, Rectangle? clippingRectangle) { if (clippingRectangle == null) { ClearThumbnailClip(windowHandle); return; } NativeRect rect = new NativeRect(); rect.Left = clippingRectangle.Value.Left; rect.Top = clippingRectangle.Value.Top; rect.Right = clippingRectangle.Value.Right; rect.Bottom = clippingRectangle.Value.Bottom; IntPtr rectPtr = Marshal.AllocCoTaskMem(Marshal.SizeOf(rect)); try { Marshal.StructureToPtr(rect, rectPtr, true); TaskbarList.Instance.SetThumbnailClip(windowHandle, rectPtr); } finally { Marshal.FreeCoTaskMem(rectPtr); } }
public virtual extern void SetRect([In, Out] ref IntPtr phdwp, NativeRect rcBrowser);