protected virtual void OnRenderGrip(ToolStripGripRenderEventArgs e)
{
ToolStripGripRenderEventHandler eh = (ToolStripGripRenderEventHandler)Events [RenderGripEvent];
if (eh != null)
{
eh(this, e);
}
}
/// <summary>
/// Extends BeginInvoke so that when a state object is not needed, null does not need to be passed.
/// <example>
/// toolstripgriprendereventhandler.BeginInvoke(sender, e, callback);
/// </example>
/// </summary>
public static IAsyncResult BeginInvoke(this ToolStripGripRenderEventHandler toolstripgriprendereventhandler, Object sender, ToolStripGripRenderEventArgs e, AsyncCallback callback)
{
if (toolstripgriprendereventhandler == null)
{
throw new ArgumentNullException("toolstripgriprendereventhandler");
}
return(toolstripgriprendereventhandler.BeginInvoke(sender, e, callback, null));
}
/// <include file='doc\ToolStripRenderer.uex' path='docs/doc[@for="ToolStripRenderer.DrawGrip"]/*' />
/// <devdoc>
/// Draw the background color
/// </devdoc>
public void DrawGrip(ToolStripGripRenderEventArgs e)
{
OnRenderGrip(e);
ToolStripGripRenderEventHandler eh = Events[EventRenderGrip] as ToolStripGripRenderEventHandler;
if (eh != null)
{
eh(this, e);
}
}
public void DrawGrip(ToolStripGripRenderEventArgs e)
{
this.OnRenderGrip(e);
ToolStripGripRenderEventHandler handler = this.Events[EventRenderGrip] as ToolStripGripRenderEventHandler;
if (handler != null)
{
handler(this, e);
}
}
public void ToolStripRenderer_DrawGrip_Invoke_CallsRenderGrip(ToolStripGripRenderEventArgs eventArgs)
{
var renderer = new SubToolStripRenderer();
int callCount = 0;
ToolStripGripRenderEventHandler handler = (sender, e) =>
{
Assert.Same(renderer, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
renderer.RenderGrip += handler;
renderer.DrawGrip(eventArgs);
Assert.Equal(1, callCount);
// Remove handler.
renderer.RenderGrip -= handler;
renderer.DrawGrip(eventArgs);
Assert.Equal(1, callCount);
}
