获得剪贴板来源进程名

using System.Runtime.InteropServices;
using System.Diagnostics;

[DllImport("user32.dll")]
public static extern IntPtr GetClipboardOwner();

[DllImport("user32.dll")]
public static extern int GetWindowThreadProcessId(IntPtr handle, 
    out int processId);
[DllImport("kernel32.dll")]
public static extern bool CloseHandle(IntPtr handle);

private void button1_Click(object sender, EventArgs e)
...{
    IntPtr vOwner = GetClipboardOwner();
    if (vOwner == IntPtr.Zero) return;
    int vProcessId;
    GetWindowThreadProcessId(vOwner, out vProcessId);
    Process vProcess = Process.GetProcessById(vProcessId);
    Text = vProcess.MainModule.FileName;
}

uses PsAPI;

procedure TForm1.Button1Click(Sender: TObject);
var
  vOwner: THandle;
  vProcessId: THandle;
  vProcess: THandle;
  vBuffer: array[0..255] of Char;
begin
  vOwner := GetClipboardOwner();
  if vOwner = 0 then Exit;
  GetWindowThreadProcessId(vOwner, vProcessId);
  vProcess := OpenProcess(PROCESS_QUERY_INFORMATION or PROCESS_VM_READ,
    False, vProcessId);
  GetModuleFileNameEx(vProcess, 0, vBuffer, SizeOf(vBuffer));
  CloseHandle(vProcess);
  Caption := vBuffer;
end;