/// <summary>Sends a message to the dialog.</summary>
/// <param name="message">The message to send.</param>
/// <param name="parameter">The button id to send.</param>
/// <param name="parameterLength">The hyperlink.</param>
/// <returns>The result.</returns>
int SendMessageHelper(TaskDialogMessages message, int parameter, long parameterLength)
{
// Be sure to at least assert here - messages to invalid handles often just disappear silently
Debug.Assert(dialogHandle != null, "HWND for dialog is null during SendMessage");
return
((int)
NativeMethods.SendMessage(dialogHandle, (uint)message, (IntPtr)parameter, new IntPtr(parameterLength)));
}
public static extern long SendMessage(IntPtr hWnd, TaskDialogMessages Msg, IntPtr wParam, IntPtr lParam);
/// <summary>Sends a message to the dialog.</summary>
/// <param name="message">The message to send.</param>
/// <param name="parameter">The button id to send.</param>
/// <param name="parameterLength">The hyperlink.</param>
/// <returns>The result.</returns>
int SendMessageHelper(TaskDialogMessages message, int parameter, long parameterLength)
{
// Be sure to at least assert here - messages to invalid handles often just disappear silently
Debug.Assert(dialogHandle != null, "HWND for dialog is null during SendMessage");
return
(int)
NativeMethods.SendMessage(dialogHandle, (uint)message, (IntPtr)parameter, new IntPtr(parameterLength));
}
private void SendTaskDialogMessage(TaskDialogMessages message, int wparam, IntPtr lparam)
{
if (hwndDialog == IntPtr.Zero)
throw new InvalidOperationException("Can only update the state of a task dialog while it is active.");
SendMessage(
hwndDialog,
(int)message,
(IntPtr)wparam,
lparam);
}
