public static string GetPlacement(IntPtr windowHandle)
{
Win32.WINDOWPLACEMENT placement = new Win32.WINDOWPLACEMENT();
Api.GetWindowPlacement(windowHandle, out placement);
using (MemoryStream memoryStream = new MemoryStream()) {
serializer.Serialize(memoryStream, placement);
return(Convert.ToBase64String(memoryStream.ToArray()));
}
}
public static void SetPlacement(IntPtr windowHandle, string placementXml)
{
if (!string.IsNullOrEmpty(placementXml))
{
try {
Win32.WINDOWPLACEMENT placement = (Win32.WINDOWPLACEMENT)serializer.Deserialize(new MemoryStream(Convert.FromBase64String(placementXml)));
placement.length = Marshal.SizeOf(typeof(Win32.WINDOWPLACEMENT));
placement.flags = 0;
placement.showCmd = (placement.showCmd == (int)SW.SW_SHOWMINIMIZED ? (int)SW.SW_SHOWNORMAL : placement.showCmd);
Api.SetWindowPlacement(windowHandle, ref placement);
} catch (Exception) {
}
}
}
public static WindowPlacement SaveWindowPlacement(Window window)
{
WINDOWPLACEMENT wp = new WINDOWPLACEMENT();
IntPtr hwnd = new WindowInteropHelper(window).Handle;
GetWindowPlacement(hwnd, out wp);
var p = new WindowPlacement();
p.MinX = wp.minPosition.X;
p.MinY = wp.minPosition.Y;
p.MaxX = wp.maxPosition.X;
p.MaxY = wp.maxPosition.Y;
p.Left = wp.normalPosition.Left;
p.Top = wp.normalPosition.Top;
p.Right = wp.normalPosition.Right;
p.Bottom = wp.normalPosition.Bottom;
p.ShowMaximized = wp.showCmd == SW_SHOWMAXIMIZED;
return p;
}
public static void LoadWindowPlacement(Window window, WindowPlacement placement)
{
try
{
// Load window placement details for previous application session from application settings
// Note - if window was closed on a monitor that is now disconnected from the computer,
// SetWindowPlacement will place the window onto a visible monitor.
WINDOWPLACEMENT wp = new WINDOWPLACEMENT();
wp.length = Marshal.SizeOf(typeof(WINDOWPLACEMENT));
wp.flags = 0;
var p = placement;
wp.showCmd = p.ShowMaximized ? SW_SHOWMAXIMIZED : SW_SHOWNORMAL;
wp.minPosition = new POINT(p.MinX, p.MinY);
wp.maxPosition = new POINT(p.MaxX, p.MaxY);
wp.normalPosition = new RECT(p.Left, p.Top,
p.Right, p.Bottom);
IntPtr hwnd = new WindowInteropHelper(window).Handle;
SetWindowPlacement(hwnd, ref wp);
}
catch { }
}
public static extern int SetWindowPlacement(HWND hwnd, ref WINDOWPLACEMENT lpwndpl);
static extern bool GetWindowPlacement(IntPtr hWnd, out WINDOWPLACEMENT lpwndpl);
public static string GetPlacement(IntPtr windowHandle)
{
Win32.WINDOWPLACEMENT placement = new Win32.WINDOWPLACEMENT();
Api.GetWindowPlacement(windowHandle, out placement);
using (MemoryStream memoryStream = new MemoryStream()) {
serializer.Serialize(memoryStream, placement);
return Convert.ToBase64String(memoryStream.ToArray());
}
}
