/// <summary>
/// Constructor. Uses the given form.
/// </summary>
/// <param name="owner">The form to set/reset the cursor.</param>
/// <param name="options">The options.</param>
public WaitCursor(
Control owner,
WaitCursorOption options )
{
Init( owner, options );
}
/// <summary>
/// Constructor. Uses the given form.
/// </summary>
/// <param name="owner">The form to set/reset the cursor.</param>
/// <param name="options">The options.</param>
public WaitCursor(
Form owner,
WaitCursorOption options )
{
Init( owner, options );
}
// ------------------------------------------------------------------
#endregion
#region Private members.
// ------------------------------------------------------------------
/// <summary>
/// Inits the specified owner.
/// </summary>
/// <param name="owner">The owner.</param>
/// <param name="options">The options.</param>
private void Init(
Control owner,
WaitCursorOption options )
{
if ( owner != null )
{
if ( !(owner is Form) )
{
Form form = owner.FindForm();
if ( form != null )
{
owner = form;
}
}
startDate = DateTime.Now;
this.owner = owner;
this.previousCursor = this.owner.Cursor;
this.owner.Cursor = Cursors.WaitCursor;
if ( (options & WaitCursorOption.ShortSleep) != 0 )
{
Thread.Sleep( 100 );
}
if ( (options & WaitCursorOption.DoEvents) != 0 )
{
Application.DoEvents();
}
}
}
/// <summary>
/// Constructor. Uses the current active form.
/// </summary>
/// <param name="options">The options.</param>
public WaitCursor(
WaitCursorOption options )
{
Init( Form.ActiveForm, options );
}
/// <summary>
/// Constructor. Uses the given form.
/// </summary>
/// <param name="owner">The form to set/reset the cursor.</param>
/// <param name="options">The options.</param>
public WaitCursor(
IWin32Window owner,
WaitCursorOption options )
{
Debug.Assert(
owner is Form ||
owner is Control,
@"The passed IWin32Window is not a Form or Control." );
Init( owner as Form, options );
}
