/// <summary>
/// 获取与此控件关联的文本。
/// </summary>
/// <param name="hWnd">控件句柄。</param>
/// <returns>与该控件关联的文本。</returns>
public static string GetText(IntPtr hWnd)
{
if (!GetIsHandleCreated(hWnd))
{
return(string.Empty);
}
int windowTextLength = UnsafeNativeMethods.GetWindowTextLength(hWnd);
if (UnsafeNativeMethods.GetSystemMetrics(NativeMethods.SM_DBCSENABLED) != 0)
{
windowTextLength = (windowTextLength * 2) + 1;
}
StringBuilder lpString = new StringBuilder(windowTextLength + 1);
UnsafeNativeMethods.GetWindowText(hWnd, lpString, lpString.Capacity);
return(lpString.ToString());
}