Bug Fix:

DCLAMP: Dynamic Clamp settings now saved and loaded correctly again.

Bug Fix:

Tecella Pico 2: Ext. Trigger & Ext. Stimulus Trigger options now work.

Bug Fixes:

Axoclamp 900A: Reports communications with device in status bar for debugging purposes. Demo mode set to false.

Updates:

Updates:

Peak-peak option added to waveform measurements module defining waveform peak amplitude as the different between maximum positive and negative deviations.

Bug Fixes  

Record To Disk; Record duration and sampling interval can now be set more precisely. Record duration no longer reduces slightly when Enter key pressed.

Export: Bug which caused data to be shifted between columns when record data exported as columns of ASCII text now fixed.

Bug Fixes 

A-M Systems 2400 patch clamp: Gain telegraph updated to support newer versions of patch clamp with telegraph voltage sequence 0.3 0.8 1.3 V ... rather than 0.5,1.0,1.5 V

Updates:  

Position and size of main program window now stored in INI file and restored when program restarted.

Tecella Pico Patch Clamp: Now uses TecellaAmp.dll V1.48

Seal Test: .SealTestGaFromPeak and .SealTestNumAverages ACTIVEX command settings now retained in INI file after program shuts down on completion of VBS script.

Updates:

Tecella Pico Patch Clamp: Leak compensation now implemented as 3 components. G leak (analog), G leak fine (analog), G leak (digital). 

Seal Test: Reset Avg. button which reset resistance/capacity readout averaging added. Readout average now also reset when settings changed on Pico control panel.

Bug Fixes

Tecella Pico Patch Clamp: THold for auto compensation functions now set correctly. THold=20ms,TStep=20ms,VStep=10mV. VHold=currently selected holding potential in WinWCP.

Protocol Editor: Incorrect extra sweep no longer displayed in digital protocols when No. Records =1 and Increment is non-zero.

22/7 /18
WinWCP V5.3.9

Update:

On-Line Analysis: Find Cursors button added to Record To Disk window, allowing on-line analysis measurement cursors to be moved to default locations on the display. Allows cursors lost off-screen to be recovered.

16/7 /18

WinWCP V5.3.8

Digidata 1550B: Missing DD1550B.DLL now installed with software.

05/5 /18

WinWCP V5.3.7

Update:

Stimulus Protocols: Sine wave protocol added.

08/5 /18

WinWCP V5.3.5

Bug Fixes: 

NPI EPC-03SX: Potential gain now read correctly. Secondary channel (cell potential) now switches between Command Input and Potentisl Output when switching voltage- to current-clsamp mode.

Heka EPC-9 USB: Change to amplifier initialisation to fix amplifier initialisation errror with EPC-9 and USB interface(not tested yet).

Updates:

Axopatch 200 and AMS-2400: Switching of secondary (potential) input channels between amplifier current/voltage outputs when changing between voltage- and current-clamp mode can now be accomplished by software mapping of analogue inputs.

Bug Fix:

NI PCI-6010 interface card Card can now be selected without producing error messages.

Updates:

On-line Analysis: Between cursors average measurement added. Cursors and plot selections now stored in INI file.
Stimulus Protocols: Scaling and Offset options added to user-defined analogue stimulus waveform. User-defined digital pulse waveform added.
Waveform Measurement: nth quantile measurement added.

Updates:

Molecular Devices: Support added for Digidata 1550B.

Averaging: "Interleave" mode added to averaging module, allowing interleaved series of records to be averaged.

Bug Fixes:

Protocol editor: Now correctly opens/saves files in default protocol file folder when WinWCP first installed.

Bug Fixes:

Updates:

DClamp: Dynamic clamp parameters now updated when control panel window opened.

Seal Test: Holding potential setting in use now updated with default holding potential of selected amplifier.

Bug Fixes:

Bug Fixes:

Bug Fixes:

Digidata 1440: "Error writing to device" error which occurred when external trigger recording mode was selected on systems running Windows 7 (64 bit) fixed.

Bug Fixes:

Digidata 1440/1550/1550A: wdapi1140.dll now correctly loaded under Windows XP operating system.

File Open: File name box in file open dialog now cleared to ensure that available files are displayed.

Bug Fixes:

Multiclamp 700A: Detected amplifier channels now correctly assigned to Amplifiers #1 and #2 (rather than Amplifers #3 and #4).

Bug Fixes:

Digidata 1440/1550/1550A: Now loads DLLs from C:\Users\Public\Documents\SESLABIO rather than WinWCP program folder. 

XML Settings files: Now ensures no. of input channels >= 1 when loaded from settings file. XML settings file now checked for settings records to avoid access violation if not present.

Bug Fixes:

Record to Disk: Marker Add button removed. Marker text added automatically.

National Instruments USB-6002/3: P1.0->PFI0+PFI1 now used as trigger line for A/D and D/A start synchronisation (instead of P0.0->PFI0+PFI1)

Heka EPC-9/10: Heka EPC9-USB lab. interface option. Current gain scale factor can be corrected using 'HekaGCF.txt' correction factor file. Heka EPC9/10 Now correctly maps gain list to gain excluding skipped index numbers.

Signal Editor: Repeated display update problem when multiple channels in file fixed.

Updates:

Record to disk: No longer erases display when switching between linked stimulus protocols (when no changes to no. samples/channels occurs).

Bug Fixes: 

Digidata 1440/1550/1550A: Now works correctly again on older systems. DLL files now obtained from PCLAMP or AXoSCOPE program folders.

OptoPatch: Now correctly sets units of voltage channel.

Signal Display: Display writing speed now greatly increased for records with large numbers of samples/record by using min/max envelope plotting rather than plotting every point.

Updates:

Updates:

Updates:

DCLAMP: Dynamic clamp control panel added. Can now change dynamic clamp conductance after each recording sweep.

Files: A prefix can be added to auto-generated default file names and date removed. File internal creation date form now fixed at dd/mm/yyy hh:mm:ss, ignoring local Windows settings.

Bug Fixes:

Digidata 132X: Error in stimulus waveform durations when number of A/D channels differ from D/A channels fixed.

File Import: Blank lines or extra CR characters at end of line now ignored and no longer terminate file import.

Bug Fix:

Heka ITC-16/18. Stimulus protocol recording sweeps now initiated correctly without jitter in timing of pulses and access violation errors.

Update:

Record to Disk: Time to next stimulus now reported in stimulus protocol status box below recording sweep display.

Bug Fix:

Current scaling factor for Axoclamp 2 command current channel (AO1) now recognised correctly

Updates:

National Instruments: PCI-6281 and other 18 bit resolution interfaces now supported.

Amplifiers: NPI ELC03SX now supported.

Axon ABF Files: ABF V2.X files can now be imported.

Updates:

National Instruments: Support for USB-6000 - USB-6005 devices added.

ABF Files: Gap-free format ABF files are now imported into a single record.

Bug Fix:

Stimulus protocol files are now correctly detected and listed again in newly installed versions of WinWCP.

Updates:

Support for Heka ITC-16-USB added.

Updates:

Multiclamp 700B: Updated to V2.x of Multiclamp API. Should now detect two Multiclamp devices.

Heka Updated to latest version of EPC9DLL.DLL ITC-18-USB now supported (not tested). Access violations when EPC9 control panel header held down fixed.

Updates

Updates:

Updates:

Record to Disk: window can now be opened without first opening a new data file (file created automatically).

Creation time of data files now accurate to milliseconds

'winwcp.ini' and .log files now stored in Windows \WinWCP\ rather than c:\winwcp

Stimulus protocols: Pulse train waveform enhanced to allow period of pulses within train to be incremented/decremented between recording sweeps. Four global variables have been added allowing parameters in multiple waveforms/protocols to be changed by setting a single common value.

Amplifiers Dagan CA-1B Oocyte clamp now supported.

Program now compiled under Delphi XE3 development system.

Bug Fixes:

Signal Editor: Data file now backed up correctly and Undo button works consistently (restoring file to original data). Various bugs in X and Y shifting fixed.

Waveform Measurement: Rise time now calculated correctly when more than one point selected for averaging of peak values.

Amplifiers:Multiclamp 700B primary channel units now reported correctly in seal test window.

Bug Fixes

From Record: zero level: No. of points averaged to calculate zero now correctly updated when changed on Zero Level dialog box.

Laboratory Interfaces: Floating point errors on startup produced by out of range channel scale factors now provented.

Updates:
Digidata 1440A: Maximum record size increased to 8000000 samples.

Seal Test: Pipette and cell resistance now displayed in addition to conductance.

Bug Fixes:

Corrupted record analysis blocks in WCP data files now replaced with default values when loaded.

Updates:

Seal Test: Cell properties can now be displayed as resistances as well as conductance. Resistance readout averaging period can now be adjusted by user.

Bug Fixes:

Data files: Records with invalid record types now have type set to TEST.

Leak subtraction: Flickering cursor with repeated display cursor updates when 3 or more channels in data file fixed.

Updates:

"Fixed zero level" option to prevent user dragging zero level cursors added to all display windows.

Record to Disk: "Incl. stim protocol in file name" option added. Creates new file every time Record is started or a protocol changes and appends protocol name and sequence number to data file name. New files forced by changes in recording settings are now indicated .XX.wcp sequence number rather than appended pluses. Empty record no longer written to file when recording sweeps are aborted by pressing Stop button.

On Line Analysis: Rising Slope variable added. Plots linear slope of signal within user-settable (default 10-90%) rise time region of signal. Incorrect slope scaling on first recording sweep after program started fixed.

Updates:

Pico: Vhold, Thold, Vstep, Tstep of test pulse for automatic capacity compensation can now be set by user.

Seal Test: No. of input channels displayed can now be set by user.

Bug Fixes:

Record to Disk: Applying stimulus with more output channels than available no longer corrupts stimulus waveforms.

Input Channels & Amplifiers Setup: Access violation when switching between Amplifiers & Input Channels page wheninterface supports 8 input channels fixed.

Updates:

Pico: Use of C slowA-D components can now be enabled/disabled in automatic capacity compensation.

Bug Fixes:

Leak subtraction stimulus protocols now correctly generate subtraction waveforms.

XML settings files now handle floating point data using both period and comma as decimal separator.

Updates:

Record sample buffer size of Instrutech ITC-16 & ITC-18 interface cards increased to 4194304 samples for both ITC16/18 Lab. Interface driver options.

Seal test: Start/end of seal test waveform channel in current clamp mode and voltage channel in voltage clamp mode.

Updates:

Digidata 1320: No. samples / record increased to 1048576 samples.

Bug Fixes:

Signal waveform display now restored to correct place in record to disk window (V4.4.0 bug).

Updates:

Tecella Pico: Digital outputs (1-4) and utility DAC output now supported by stimulus protocol generator. User-defined waveform protocols now also supported.

National Instruments cards: Device selection list now only displays devices which are available on the system.

Updates:

National Instruments cards: Signal input channels can now be mapped to user-selected analog inputs.

Protocol Editor: Save button added. Stimulus protocol folder now selected using directory tree. Protocols stored using relative path names.

Seal Test: Display can now be zoomed in on horizontal axis.

Bug Fixes:

Floating point error when Record to Disk window opened with Multiclamp 700 amplifier selected fixed.

Signal Displays: Channel selection tick boxes no longer disappear off bottom of screen when several selected. Horizontal axis now has time calibration ticks.

Pico2: Gain calibration now correct,

Updates:

Stimulus protocol editor revised.

*Now supports up to 4 analog outputs (depending on lab. interface) and 8 digital channels.
* Up to 10 waveform elements can now be created for digital outputs
* Current-clamp stimuli can now defined as well as voltage-clamp stimuli.
* Recording settings (no. channels, samples/channel, recording duration) now incorporated into stimulus protocols.

Record to Disk

Recording settings (no. channels, samples/channel, recording duration) for free run, ext. trigger and detect event recording mode now set within recording window controls.

Stimulus protocol execution lists added, allowing lists of protocols to be created and run in sequence.

Help Files

New help file created. Now runs under Windows 7/Vista.

National Instruments Cards

Max. number of samples per record increased to 8 million.

Data File Names

New data file namenow based upon date  -YYMMDD_XXX.WCP

  /1 /2011
WinWCP V4.2.4

10 /12 /2010 WinWCP V4.2.3

26/8 /2010 WinWCP V4.2.0

Bug Fixes:

Digidata 1440A. WinWCP code modified to avoid unwanted jumps to -10V on DAC outputs during a series of stimulus waveforms.

Recording: Time ofacquistion for first two records in a series of externally triggered sweeps now stored correctly.

Updates:

National Instruments boards can now be selected by device number when more than board installed. PCI-61XX series high speed boards now supported.

Bug Fixes

Tecella Triton: Voltage waveform now correctly aligned with current waveforms. Resistance calculated correctly in seal test. Mingwl10.dll, libgcc_s_dw2.dll, okfrontpanel.dll libraries now included in installation package.

/5/2010 WinWCP V4.1.6

Updates:

Now supports 16 analog input channels.

Support for Tecella Triton-plus patch clamp added (using tecellaAmp.dll V0.119)

Curve Fitting: EPSP function with erf() rise and double exponential decay added.

Waveform measurement: Rate of rise option computed from slope of linear fit to rising edge of signal added.

Conductance (computed from current and voltage channel waveform measurements) variable added to X/Y plot.

Analysis cursors labelled with time.

Summary and variable table lists updated. Tables can be exported to text files.

On-line analysis plot data can be copied to the Windows clipboard stored in the log file in tabular format.

WCP data file format changed to V9.0. Can now support up to 128 channel. Header and analysis block sizes now depend upon number of channels. Older format WCP files converted to V9 when opened with unchanged copy saved as .bak file.

Bug Fix:

Driving function module now uses correct time constants from fitted exponential function in deconvolution calculations.