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);
}
/// <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);
}
}
/// <summary> /// Called to update the bounds and position of the preview control /// </summary> /// <param name="bounds"></param> protected abstract void UpdateBounds(NativeRect bounds);
void IPreviewHandler.SetWindow(IntPtr hwnd, ref NativeRect rect)
{
_parentHwnd = hwnd;
UpdateBounds(rect);
SetParentHandle(_parentHwnd);
}
void IPreviewHandler.SetRect(ref NativeRect rect)
{
UpdateBounds(rect);
}
/// <summary>
/// Sizes the native control to match the WinForms control wrapper.
/// </summary>
/// <param name="e">Contains information about the size changed event.</param>
protected override void OnSizeChanged(EventArgs e)
{
if (explorerBrowserControl != null)
{
NativeRect rect = new NativeRect();
rect.Top = ClientRectangle.Top;
rect.Left = ClientRectangle.Left;
rect.Right = ClientRectangle.Right;
rect.Bottom = ClientRectangle.Bottom;
IntPtr ptr = IntPtr.Zero;
explorerBrowserControl.SetRect(ref ptr, rect);
}
base.OnSizeChanged(e);
}
/// <summary>
/// Creates and initializes the native ExplorerBrowser control
/// </summary>
protected override void OnCreateControl()
{
base.OnCreateControl();
if (this.DesignMode == false)
{
explorerBrowserControl = new ExplorerBrowserClass();
// hooks up IExplorerPaneVisibility and ICommDlgBrowser event notifications
ExplorerBrowserNativeMethods.IUnknown_SetSite(explorerBrowserControl, this);
// hooks up IExplorerBrowserEvents event notification
explorerBrowserControl.Advise(
Marshal.GetComInterfaceForObject(this, typeof(IExplorerBrowserEvents)),
out eventsCookie);
// sets up ExplorerBrowser view connection point events
viewEvents = new ExplorerBrowserViewEvents(this);
NativeRect rect = new NativeRect();
rect.Top = ClientRectangle.Top;
rect.Left = ClientRectangle.Left;
rect.Right = ClientRectangle.Right;
rect.Bottom = ClientRectangle.Bottom;
explorerBrowserControl.Initialize(this.Handle, ref rect, null);
// Force an initial show frames so that IExplorerPaneVisibility works the first time it is set.
// This also enables the control panel to be browsed to. If it is not set, then navigating to
// the control panel succeeds, but no items are visible in the view.
explorerBrowserControl.SetOptions(ExplorerBrowserOptions.ShowFrames);
explorerBrowserControl.SetPropertyBag(propertyBagName);
if (antecreationNavigationTarget != null)
{
BeginInvoke(new MethodInvoker(
delegate
{
Navigate(antecreationNavigationTarget);
antecreationNavigationTarget = null;
}));
}
}
Application.AddMessageFilter(this);
}
public static extern bool GetWindowRect(IntPtr hwnd, ref NativeRect rect);
public static extern bool GetClientRect(IntPtr hwnd, ref NativeRect rect);
protected override void UpdateBounds(NativeRect bounds)
{
_bounds = bounds;
UpdatePlacement();
}
/// <summary>
/// Creates and initializes the native ExplorerBrowser control
/// </summary>
protected override void OnCreateControl()
{
base.OnCreateControl();
if (this.DesignMode == false)
{
explorerBrowserControl = new ExplorerBrowserClass();
this.BorderStyle = System.Windows.Forms.BorderStyle.None;
// hooks up IExplorerPaneVisibility and ICommDlgBrowser event notifications
ExplorerBrowserNativeMethods.IUnknown_SetSite(explorerBrowserControl, this);
// hooks up IExplorerBrowserEvents event notification
explorerBrowserControl.Advise(
Marshal.GetComInterfaceForObject(this, typeof(IExplorerBrowserEvents)),
out eventsCookie);
// sets up ExplorerBrowser view connection point events
viewEvents = new ExplorerBrowserViewEvents(this);
if (IsOldSysListView)
{
WindowsAPI.IFolderViewOptions fvo = (WindowsAPI.IFolderViewOptions)explorerBrowserControl;
fvo.SetFolderViewOptions(WindowsAPI.FOLDERVIEWOPTIONS.VISTALAYOUT, WindowsAPI.FOLDERVIEWOPTIONS.VISTALAYOUT);
}
NativeRect rect = new NativeRect();
rect.Top = ClientRectangle.Top - 1;
rect.Left = ClientRectangle.Left - 1;
rect.Right = ClientRectangle.Right + 1;
rect.Bottom = ClientRectangle.Bottom + 1;
explorerBrowserControl.Initialize(this.Handle, ref rect, null);
// Force an initial show frames so that IExplorerPaneVisibility works the first time it is set.
// This also enables the control panel to be browsed to. If it is not set, then navigating to
// the control panel succeeds, but no items are visible in the view.
explorerBrowserControl.SetOptions(ExplorerBrowserOptions.ShowFrames);
explorerBrowserControl.SetPropertyBag(propertyBagName);
if (antecreationNavigationTarget != null)
{
//BeginInvoke(new MethodInvoker(
//delegate
//{
Navigate(antecreationNavigationTarget);
antecreationNavigationTarget = null;
//}));
}
}
Application.AddMessageFilter(this);
}
protected override void UpdateBounds(NativeRect bounds)
{
Control.Bounds = Rectangle.FromLTRB(bounds.Left, bounds.Top, bounds.Right, bounds.Bottom);
Control.Visible = true;
}
public virtual extern void SetRect([In, Out] ref IntPtr phdwp, NativeRect rcBrowser);
