// Process mouse-down behavior for click.
protected override void OnMouseDown(System.Windows.Forms.MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
if (state_ != TextServiceState.ServiceProvided)
{
// Attempt to update text from service, and set color
// state accordingly.
TextService ts = (TextService)serviceContainer.GetService(typeof(TextService));
if (ts != null)
{
this.label = ts.text;
state = TextServiceState.ServiceObtained;
}
else
{
this.label = "Service Not Found";
state = TextServiceState.ServiceNotFound;
}
}
}
if (e.Button == MouseButtons.Right)
{
if (state_ == TextServiceState.ServiceProvided)
{
// Remove service if the container provided it.
if (serviceContainer.GetService(typeof(TextService)) != null)
{
serviceContainer.RemoveService(typeof(TextService), true);
state = TextServiceState.ServiceNotObtained;
this.label = "Service Removed";
}
}
else
{
// Obtain string and provide text service.
using (StringInputDialog form = new StringInputDialog("Test String"))
{
form.StartPosition = FormStartPosition.CenterParent;
if (form.ShowDialog() == DialogResult.OK)
{
if (serviceContainer.GetService(typeof(TextService)) != null)
{
serviceContainer.RemoveService(typeof(TextService), true);
}
parent.ResetServiceTree(this, new EventArgs());
serviceContainer.AddService(typeof(TextService), new TextService(form.inputTextBox.Text), true);
state = TextServiceState.ServiceProvided;
this.label = "Provided Text: " + form.inputTextBox.Text;
}
}
}
}
parent.UpdateServiceCoverage();
}
// Process mouse-down behavior for click.
protected override void OnMouseDown(
System.Windows.Forms.MouseEventArgs e)
{
// This example control responds to mouse clicks as follows:
//
// Left click - control attempts to obtain a text service
// and sets its label text to the text provided by the service
// Right click - if the control has already provided a text
// service, this control does nothing. Otherwise, the control
// shows a dialog box to specify text to provide as a new text
// service, after clearing the tree's services.
if (e.Button == MouseButtons.Left)
{
if (state_ != TextServiceState.ServiceProvided)
{
// Attempt to update text from service, and set
// color state accordingly.
TextService ts =
(TextService)GetService(typeof(TextService));
if (ts != null)
{
this.label = ts.text;
state = TextServiceState.ServiceObtained;
}
else
{
this.label = "Service Not Found";
state = TextServiceState.ServiceNotFound;
}
}
}
if (e.Button == MouseButtons.Right)
{
if (state_ == TextServiceState.ServiceProvided)
{
// Remove the service if the container provided it.
if (GetService(typeof(TextService)) != null)
{
RemoveService(typeof(TextService), true);
state = TextServiceState.ServiceNotObtained;
this.label = "Service Removed";
}
}
else
{
// Obtain string and provide text service.
using (StringInputDialog form =
new StringInputDialog("Test String"))
{
form.StartPosition = FormStartPosition.CenterParent;
if (form.ShowDialog() == DialogResult.OK)
{
if (GetService(typeof(TextService)) != null)
{
RemoveService(typeof(TextService), true);
}
parent.ResetServiceTree(this, new EventArgs());
AddService(typeof(TextService),
new TextService(form.inputTextBox.Text), true);
// The following commented method uses a service creator callback.
// AddService(typeof(TextService),
// new ServiceCreatorCallback(this.CreateTextService));
state = TextServiceState.ServiceProvided;
this.label = "Provided Text: " + form.inputTextBox.Text;
}
}
}
}
parent.UpdateServiceCoverage();
}