waitbar Draw a waitbar

## Syntax

    winH=waitbar(x)
                winH=waitbar(x,mes)
                winH=waitbar(mes)
                waitbar(x,winH)
                waitbar(mes,winH)
                waitbar(x,mes,winH)

## Arguments

x

  real, fraction to display.

mes

  string, message to display.

winH

  Handle of the waitbar.

## Description

`waitbar(x)` create a new waitbar displaying a fraction x, return handle of the waitbar.

`waitbar(x,mes)` create a new waitbar displaying a fraction x and message mes, return handle of the waitbar.

`waitbar(mes)` create a new waitbar displaying a fraction 0 and message mes, return handle of the waitbar.

`waitbar(x,mes)` create a new waitbar displaying a fraction 0 and message mes, return handle of the waitbar.

`waitbar(x,winH)`, `waitbar(mes,winH)` and `waitbar(x,mes,winH)` update waitbar with handle `winH`.

## Examples

    winH=waitbar('This is an example');
    realtimeinit(0.3);
    for j=0:0.1:1,
      realtime(3*j);
      waitbar(j,winH);
    end
    close(winH);

## See also

- progressionbar