private void UpgradeProgress(int value)
{
if (this.prgUpgrade.InvokeRequired)
{
Delegate d = new OperationProgressDelegate(UpgradeProgress);
this.Invoke(d, new Object[] { value });
}
else
{
this.prgUpgrade.Value = value;
if (this.prgUpgrade.Value == this.prgUpgrade.Maximum)
{
this._upgrader = null;
this.ShowDatabaseInformation();
MessageBox.Show("Upgrade Completed successfully!");
}
}
}
private void UpgradeError(Exception ex)
{
if (this.InvokeRequired)
{
Delegate d = new OperationErrorDelegate(UpgradeError);
this.Invoke(d, new Object[] { ex });
}
else
{
MessageBox.Show("An error occurred while trying to perform the Upgrade:\n" + ex.Message);
this.ShowDatabaseInformation();
this._upgrader = null;
}
}
private void btnUpgradeStore_Click(object sender, EventArgs e)
{
if (this._upgrader == null)
{
if (MessageBox.Show("Are you sure you wish to Upgrade the current Store to the latest dotNetRDF Store Format? This format will has better performance but this action cannot be reversed - do you still wish to proceed?", "Confirm Store Upgrade", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
{
this.prgUpgrade.Value = 0;
this._upgrader = new StoreUpgrader(this._connection);
if (this._upgrader.UpgradeRequired)
{
this.prgUpgrade.Maximum = this._upgrader.OperationsRequired();
this._upgrader.Progress += this.UpgradeProgress;
this._upgrader.Error += this.UpgradeError;
if (MessageBox.Show("Ready to begin Upgrade, please click OK to begin", "Confirm Upgrade", MessageBoxButtons.OKCancel) == DialogResult.OK)
{
this.btnUpgradeStore.Enabled = false;
this._upgrader.Upgrade();
}
else
{
this._upgrader = null;
}
}
else
{
MessageBox.Show("No Upgrade of this Store is required", "Upgrade Store Not Required", MessageBoxButtons.OK, MessageBoxIcon.Information);
this.btnUpgradeStore.Enabled = false;
this._upgrader = null;
}
}
}
}