public static FormToolbar CreateInstance()
{
if (instance == null)
{
instance = new FormToolbar();
}
return(instance);
}
private void menuView_Toolbar_Click(object sender, EventArgs e)
{
if (frmToolbar != null)
{
this.frmToolbar.Show();
}
else
{
this.frmToolbar = FormToolbar.CreateInstance();
this.frmToolbar.Show(this.dockMain, DockState.DockLeft);
frmToolbar.FormMain = this;//什么意思？
frmToolbar.FormMain = this;
}
}
private void FormMain_Load(object sender, EventArgs e)
{
this.frmToolbar = FormToolbar.CreateInstance();
this.frmToolbar.Show(this.dockMain, DockState.DockLeft);
frmToolbar.FormMain = this;
}