public static string GetWindowClassName(IntPtr handle)
{
var bufSize = 2048;
var buf = new StringBuilder(bufSize);
User32PI.GetClassName(handle, buf, buf.Capacity);
return(buf.ToString());
}
// ========================================
// field
// ========================================
// ========================================
// constructor
// ========================================
// ========================================
// property
// ========================================
// ========================================
// method
// ========================================
/// <summary>
/// windowをアクティブにする．
/// windowClassName，windowTitleは前方一致，moduleFileNameは後方一致．
/// nullを渡すとそれぞれ常に適合．
/// </summary>
public static void ActivateWindow(string windowClassName, string windowTitle, string moduleFileName)
{
var targetHWnd = IntPtr.Zero;
User32PI.EnumWindows(
(hWnd, lParam) => {
var bufSize = 2048;
var buf = new StringBuilder(bufSize);
User32PI.GetClassName(hWnd, buf, buf.Capacity);
var className = buf.ToString();
User32PI.GetWindowText(hWnd, buf, buf.Capacity);
var title = buf.ToString();
var validClassName =
string.IsNullOrEmpty(windowClassName) ||
(!string.IsNullOrEmpty(className) && className.StartsWith(windowClassName));
var validTitle =
string.IsNullOrEmpty(windowTitle) ||
(!string.IsNullOrEmpty(title) && title.StartsWith(windowTitle));
if (validClassName && validTitle)
{
if (string.IsNullOrEmpty(moduleFileName))
{
targetHWnd = hWnd;
return(false);
}
else
{
var pid = default(int);
User32PI.GetWindowThreadProcessId(hWnd, out pid);
var process = Process.GetProcessById(pid);
var fileName = process.MainModule.FileName;
if (!string.IsNullOrEmpty(fileName) && fileName.EndsWith(moduleFileName))
{
targetHWnd = hWnd;
return(false);
}
}
}
return(true);
},
IntPtr.Zero
);
if (targetHWnd != IntPtr.Zero)
{
RestoreWindow(targetHWnd);
}
}
