/// <summary>
/// Updates the data in the control from its item.
/// </summary>
protected override void UpdateData()
{
StringBuilder lsbBuilder = new StringBuilder();
if (miItem != null)
{
// Get setup vars
UPnPActionTreeItem lavItem = (UPnPActionTreeItem)miItem;
Service lsService = ((Service)(miItem.LinkedObject));
ServiceDescription ldDesc = lsService.Description();
// If description is available
if (ldDesc != null)
{
// Get the action description for this action
ActionDescription laDesc;
if (ldDesc.Actions.TryGetValue(lavItem.ActionName, out laDesc))
{
lsbBuilder.AppendLine(laDesc.ToString());
}
lsbBuilder.AppendLine();
// Lock the inputs
dgInputs.BeginUpdate();
try
{
// Lock the outputs
dgOutputs.BeginUpdate();
try
{
int liInputIndex = 0;
int liOutputIndex = 0;
// For each argument in the action
foreach (ArgumentDescription ladDesc in laDesc.Arguments.Values)
{
// Get the state variable if there is one linked
StateVariableDescription lsvDesc = ladDesc.RelatedStateVariableDescription;
// Add the input or output argument to the grids
AddIOValue(ladDesc, lsvDesc, ref liInputIndex, ref liOutputIndex);
// Append a line in the text information for the argument
lsbBuilder.AppendLine(
String.Format(
"{0} {1} => {2}",
ladDesc.DirectionValue.ToString(),
ladDesc.Name,
(lsvDesc == null ? "No Related Var" : lsvDesc.ToString())));
}
// Auto size the input and output grids
dgInputs.AutoSizeColumnsMode = System.Windows.Forms.DataGridViewAutoSizeColumnsMode.AllCells;
dgOutputs.AutoSizeColumnsMode = System.Windows.Forms.DataGridViewAutoSizeColumnsMode.AllCells;
}
finally
{
// Unlock outputs
dgOutputs.EndUpdate();
}
}
finally
{
// Unlock inputs
dgInputs.EndUpdate();
}
}
}
// Set the info text
rtbInfo.Text = lsbBuilder.ToString();
}
/// <summary>
/// Executes the action based on the inputs and outputs data grids.
/// </summary>
protected void Execute()
{
try
{
// Get setup values
Object[] loParams = new Object[dgInputs.Rows.Count];
UPnPActionTreeItem lavItem = (UPnPActionTreeItem)miItem;
Service lsService = ((Service)(miItem.LinkedObject));
ServiceDescription ldDesc = lsService.Description();
// For each input row
for (int liCounter = 0; liCounter < dgInputs.Rows.Count; liCounter++)
{
// Get the row info
RowInfo liInfo = (RowInfo)(dgInputs.Rows[liCounter].Tag);
try
{
object loValue = dgInputs[clInputValue.Index, liCounter].Value;
string lsValue;
if (loValue == null)
{
lsValue = string.Empty;
}
else
{
lsValue = loValue.ToString();
}
loValue = liInfo.StateVarDesc.DataTypeValue.ValueFromString(lsValue);
if (loValue == null)
{
loValue = liInfo.StateVarDesc.DataTypeValue.Default();
}
// Set the value of the parameter
loParams[liInfo.Index] = loValue;
}
catch (Exception loE)
{
// Raise exception on conversion error
throw new Exception(
String.Format("Error converting input parameter '{0}'.", dgInputs[0, liCounter].Value.ToString()),
loE);
}
}
// Call the action and get the outputs
Object[] loOut = lsService.InvokeAction(lavItem.ActionName, loParams);
// Set the user to the outputs tab
tcMain.SelectedTab = tpOutputs;
// For each output parameter
for (int liCounter = 0; liCounter < dgOutputs.Rows.Count; liCounter++)
{
// Get the row info
RowInfo liInfo = (RowInfo)(dgOutputs.Rows[liCounter].Tag);
// Set the value in the output grid
dgOutputs[clOutputValue.Index, liCounter].Value =
liInfo.StateVarDesc.DataTypeValue.StringFromValue(
loOut[liInfo.Index]);
}
}
catch (Exception loE)
{
// Notify user of any errors
MessageBox.Show(
ExceptionToString(loE),
"Error Occured executing action",
MessageBoxButtons.OK
);
}
}