protected virtual void OnRenderToolStripPanelBackground(ToolStripPanelRenderEventArgs e)
{
ToolStripPanelRenderEventHandler eh = (ToolStripPanelRenderEventHandler)Events [RenderToolStripPanelBackgroundEvent];
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>
/// toolstrippanelrendereventhandler.BeginInvoke(sender, e, callback);
/// </example>
/// </summary>
public static IAsyncResult BeginInvoke(this ToolStripPanelRenderEventHandler toolstrippanelrendereventhandler, Object sender, ToolStripPanelRenderEventArgs e, AsyncCallback callback)
{
if (toolstrippanelrendereventhandler == null)
{
throw new ArgumentNullException("toolstrippanelrendereventhandler");
}
return(toolstrippanelrendereventhandler.BeginInvoke(sender, e, callback, null));
}
public void DrawToolStripPanelBackground(ToolStripPanelRenderEventArgs e)
{
OnRenderToolStripPanelBackground(e);
ToolStripPanelRenderEventHandler eh = Events[EventRenderToolStripPanelBackground] as ToolStripPanelRenderEventHandler;
if (eh != null)
{
eh(this, e);
}
}
public void DrawToolStripPanelBackground(ToolStripPanelRenderEventArgs e)
{
this.OnRenderToolStripPanelBackground(e);
ToolStripPanelRenderEventHandler handler = this.Events[EventRenderToolStripPanelBackground] as ToolStripPanelRenderEventHandler;
if (handler != null)
{
handler(this, e);
}
}
public void ToolStripRenderer_DrawToolStripPanelBackground_Invoke_CallsRenderToolStripPanelBackground(ToolStripPanelRenderEventArgs eventArgs)
{
var renderer = new SubToolStripRenderer();
int callCount = 0;
ToolStripPanelRenderEventHandler handler = (sender, e) =>
{
Assert.Same(renderer, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
renderer.RenderToolStripPanelBackground += handler;
renderer.DrawToolStripPanelBackground(eventArgs);
Assert.Equal(1, callCount);
// Remove handler.
renderer.RenderToolStripPanelBackground -= handler;
renderer.DrawToolStripPanelBackground(eventArgs);
Assert.Equal(1, callCount);
}
