protected override void OnHelpRequested(HelpEventArgs hevent)
{
// Get the active control
Control activeControl = HelpUtils.GetActiveControl(this);
// Figure out the context
DataConnectionDialogContext context = DataConnectionDialogContext.AddProperty;
if (activeControl == propertyTextBox)
{
context = DataConnectionDialogContext.AddPropertyTextBox;
}
if (activeControl == okButton)
{
context = DataConnectionDialogContext.AddPropertyOkButton;
}
if (activeControl == cancelButton)
{
context = DataConnectionDialogContext.AddPropertyCancelButton;
}
// Call OnContextHelpRequested
ContextHelpEventArgs e = new ContextHelpEventArgs(context, hevent.MousePos);
_mainDialog.OnContextHelpRequested(e);
hevent.Handled = e.Handled;
if (!e.Handled)
{
base.OnHelpRequested(hevent);
}
}
protected override void WndProc(ref Message m)
{
if (_mainDialog.TranslateHelpButton && HelpUtils.IsContextHelpMessage(ref m))
{
// Force the ? in the title bar to invoke the help topic
HelpUtils.TranslateContextHelpMessage(this, ref m);
}
base.WndProc(ref m);
}
public override StandardValuesCollection GetStandardValues(ITypeDescriptorContext context)
{
if (_standardValues == null)
{
string[] dataSources = null;
if (HelpUtils.IsWow64())
{
List <String> dataSourceList = new List <String>();
// Read 64 registry key of SQL Server Instances Names.
dataSourceList.AddRange(HelpUtils.GetValueNamesWow64("SOFTWARE\\Microsoft\\Microsoft SQL Server\\Instance Names\\SQL", NativeMethods.KEY_WOW64_64KEY | NativeMethods.KEY_QUERY_VALUE));
// Read 32 registry key of SQL Server Instances Names.
dataSourceList.AddRange(HelpUtils.GetValueNamesWow64("SOFTWARE\\Microsoft\\Microsoft SQL Server\\Instance Names\\SQL", NativeMethods.KEY_WOW64_32KEY | NativeMethods.KEY_QUERY_VALUE));
dataSources = dataSourceList.ToArray();
}
else
{
// Look in the registry for all local SQL Server instances
Win32.RegistryKey key = Win32.Registry.LocalMachine.OpenSubKey("SOFTWARE\\Microsoft\\Microsoft SQL Server\\Instance Names\\SQL");
if (key != null)
{
using (key)
{
dataSources = key.GetValueNames();
} // key is Disposed here
}
}
if (dataSources != null)
{
for (int i = 0; i < dataSources.Length; i++)
{
if (String.Equals(dataSources[i], "MSSQLSERVER", StringComparison.OrdinalIgnoreCase))
{
dataSources[i] = ".";
}
else
{
dataSources[i] = ".\\" + dataSources[i];
}
}
_standardValues = new StandardValuesCollection(dataSources);
}
else
{
_standardValues = new StandardValuesCollection(new string[0]);
}
}
return(_standardValues);
}
