/// <summary>
/// Returns one packet of Wintab data from the packet queue.
/// </summary>
/// <param name="hCtx_I">Wintab context to be used when asking for the data</param>
/// <param name="pktID_I">Identifier for the tablet event packet to return.</param>
/// <returns>Returns a data packet with non-null context if successful.</returns>
public WintabPacket GetDataPacket(HCTX hCtx_I, UInt32 pktID_I)
{
IntPtr buf = CMemUtils.AllocUnmanagedBuf(Marshal.SizeOf(typeof(WintabPacket)));
WintabPacket packet = new WintabPacket();
if (pktID_I == 0)
{
throw new Exception("GetDataPacket - invalid pktID");
}
CheckForValidHCTX("GetDataPacket");
if (CWintabFuncs.WTPacket(hCtx_I, pktID_I, buf))
{
packet = (WintabPacket)Marshal.PtrToStructure(buf, typeof(WintabPacket));
}
else
{
//
// If fails, make sure context is zero.
//
packet.pkContext = HCTX.Zero;
}
CMemUtils.FreeUnmanagedBuf(buf);
return(packet);
}
/// <summary>
/// Sets an extension control property image (if supported by tablet).
/// </summary>
/// <param name="context_I">wintab context</param>
/// <param name="extTagIndex_I">which extension tag we're setting</param>
/// <param name="tabletIndex_I">index of the tablet being set</param>
/// <param name="controlIndex_I">the index of the control being set</param>
/// <param name="functionIndex_I">the index of the control function being set</param>
/// <param name="propertyID_I">ID of the property being set</param>
/// <param name="value_I">value of the property being set (a string)</param>
/// <returns>true if successful</returns>
public static bool ControlPropertySetImage(
HCTX context_I,
byte extTagIndex_I,
byte tabletIndex_I,
byte controlIndex_I,
byte functionIndex_I,
ushort propertyID_I,
String imageFilePath_I
)
{
bool retStatus = false;
WTExtensionImageProperty extProperty = new WTExtensionImageProperty();
IntPtr buf = CMemUtils.AllocUnmanagedBuf(extProperty);
try
{
byte[] imageBytes = null;
System.Drawing.Image newImage = Image.FromFile(imageFilePath_I);
if (newImage == null)
{
MessageBox.Show("Oops - couldn't find/read image: " + imageFilePath_I);
return(false);
}
using (MemoryStream ms = new MemoryStream())
{
newImage.Save(ms, System.Drawing.Imaging.ImageFormat.Png);
imageBytes = ms.ToArray();
}
extProperty.extBase.version = 0;
extProperty.extBase.tabletIndex = tabletIndex_I;
extProperty.extBase.controlIndex = controlIndex_I;
extProperty.extBase.functionIndex = functionIndex_I;
extProperty.extBase.propertyID = propertyID_I;
extProperty.extBase.reserved = 0;
extProperty.extBase.dataSize = (uint)imageBytes.Length;
extProperty.data = new byte[WTExtensionsGlobal.WTExtensionPropertyImageMaxDataBytes];
// Send image as an array of bytes.
System.Buffer.BlockCopy(imageBytes, 0, extProperty.data, 0, (int)extProperty.extBase.dataSize);
Marshal.StructureToPtr(extProperty, buf, false);
retStatus = CWintabFuncs.WTExtSet((UInt32)context_I, (UInt32)extTagIndex_I, buf);
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
CMemUtils.FreeUnmanagedBuf(buf);
return(retStatus);
}
/// <summary>
/// Open a Wintab context that will send packet events to a message window.
/// </summary>
/// <returns>Returns true if successful.</returns>
public bool Open()
{
// Get the handle of the anonymous MessageEvents window. This is a
// static (global) object, so there's only one of these at a time.
HWND hwnd = MessageEvents.WindowHandle;
m_hCTX = CWintabFuncs.WTOpen(hwnd, ref m_logContext, true);
return(m_hCTX.IsValid);
}
/// <summary>
/// Open a Wintab context to the specified hwnd.
/// </summary>
/// <param name="hwnd_I">parent window for the context</param>
/// <param name="enable_I">true to enable, false to disable</param>
/// <returns>Returns non-zero context handle if successful.</returns>
public HCTX Open(HWND hwnd_I, bool enable_I)
{
try {
m_hCTX = WNativeMethods.WTOpen(hwnd_I, ref m_logContext, enable_I);
} catch (Exception ex) {
throw new Exception("FAILED OpenContext: " + ex.ToString());
}
return(m_hCTX);
}
/// <summary>
/// Open a Wintab context to the specified hwnd.
/// </summary>
/// <param name="hwnd_I">parent window for the context</param>
/// <param name="enable_I">true to enable, false to disable</param>
/// <returns>Returns non-zero context handle if successful.</returns>
public HCTX Open(HWND hwnd_I, bool enable_I)
{
try
{
m_hCTX = CWintabFuncs.WTOpenA(hwnd_I, ref m_logContext, enable_I);
}
catch (Exception ex)
{
MessageBox.Show("FAILED OpenContext: " + ex.ToString());
}
return(m_hCTX);
}
/// <summary>
/// Open a Wintab context that will send packet events to a message window.
/// </summary>
/// <returns>Returns true if successful.</returns>
public bool Open()
{
// Get the handle of the anonymous MessageEvents window. This is a
// static (global) object, so there's only one of these at a time.
WMessageEvents.Start();
HWND hwnd = WMessageEvents.WindowHandle;
try {
m_hCTX = WNativeMethods.WTOpen(hwnd, ref m_logContext, true);
} catch (Exception ex) {
throw new Exception("FAILED OpenContext: " + ex.ToString());
}
return(m_hCTX.IsValid);
}
/// <summary>
/// Close the context for this object.
/// </summary>
/// <returns>true if context successfully closed</returns>
public bool Close()
{
bool status = false;
if (!m_hCTX.IsValid)
{
throw new Exception("CloseContext: invalid context");
}
status = CWintabFuncs.WTClose(m_hCTX);
m_hCTX = HCTX.Zero;
m_logContext = new WintabLogContext();
return(status);
}
/// <summary>
/// Open a Wintab context that will send packet events to a message window.
/// </summary>
/// <returns>Returns true if successful.</returns>
public bool Open()
{
// Get the handle of the anonymous MessageEvents window. This is a
// static (global) object, so there's only one of these at a time.
HWND hwnd = MessageEvents.WindowHandle;
try
{
m_hCTX = CWintabFuncs.WTOpenA(hwnd, ref m_logContext, true);
}
catch (Exception ex)
{
MessageBox.Show("FAILED OpenContext: " + ex.ToString());
}
return(m_hCTX > 0);
}
/// <summary>
/// Sets an extension control property string.
/// </summary>
/// <param name="context_I">wintab context</param>
/// <param name="extTagIndex_I">which extension tag we're setting</param>
/// <param name="tabletIndex_I">index of the tablet being set</param>
/// <param name="controlIndex_I">the index of the control being set</param>
/// <param name="functionIndex_I">the index of the control function being set</param>
/// <param name="propertyID_I">ID of the property being set</param>
/// <param name="value_I">value of the property being set (a string)</param>
/// <returns>true if successful</returns>
public static bool ControlPropertySet(
HCTX context_I,
byte extTagIndex_I,
byte tabletIndex_I,
byte controlIndex_I,
byte functionIndex_I,
ushort propertyID_I,
String value_I
)
{
bool retStatus = false;
WTExtensionProperty extProperty = new WTExtensionProperty();
IntPtr buf = CMemUtils.AllocUnmanagedBuf(extProperty);
try
{
// Convert unicode string value_I to UTF8-encoded bytes
byte[] utf8Bytes = System.Text.Encoding.Convert(Encoding.Unicode, Encoding.UTF8, Encoding.Unicode.GetBytes(value_I));
extProperty.extBase.version = 0;
extProperty.extBase.tabletIndex = tabletIndex_I;
extProperty.extBase.controlIndex = controlIndex_I;
extProperty.extBase.functionIndex = functionIndex_I;
extProperty.extBase.propertyID = propertyID_I;
extProperty.extBase.reserved = 0;
extProperty.extBase.dataSize = (uint)utf8Bytes.Length;
extProperty.data = new byte[WTExtensionsGlobal.WTExtensionPropertyMaxDataBytes];
// Send input value as an array of UTF8-encoded bytes.
System.Buffer.BlockCopy(utf8Bytes, 0, extProperty.data, 0, (int)extProperty.extBase.dataSize);
Marshal.StructureToPtr(extProperty, buf, false);
retStatus = CWintabFuncs.WTExtSet((UInt32)context_I, (UInt32)extTagIndex_I, buf);
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
CMemUtils.FreeUnmanagedBuf(buf);
return(retStatus);
}
/// <summary>
/// Get a property value from an extension.
/// </summary>
/// <param name="context_I">Wintab context</param>
/// <param name="extTagIndex_I">extension index tag</param>
/// <param name="tabletIndex_I">tablet index</param>
/// <param name="controlIndex_I">control index on the tablet</param>
/// <param name="functionIndex_I">function index on the control</param>
/// <param name="propertyID_I">ID of the property requested</param>
/// <param name="result_O">value of the property requested</param>
/// <returns>true if property obtained</returns>
public static bool ControlPropertyGet(
HCTX context_I,
byte extTagIndex_I,
byte tabletIndex_I,
byte controlIndex_I,
byte functionIndex_I,
ushort propertyID_I,
ref UInt32 result_O
)
{
bool retStatus = false;
WTExtensionProperty extProperty = new WTExtensionProperty();
IntPtr buf = CMemUtils.AllocUnmanagedBuf(extProperty);
extProperty.extBase.version = 0;
extProperty.extBase.tabletIndex = tabletIndex_I;
extProperty.extBase.controlIndex = controlIndex_I;
extProperty.extBase.functionIndex = functionIndex_I;
extProperty.extBase.propertyID = propertyID_I;
extProperty.extBase.reserved = 0;
extProperty.extBase.dataSize = (uint)System.Runtime.InteropServices.Marshal.SizeOf(result_O);
Marshal.StructureToPtr(extProperty, buf, false);
try
{
bool status = CWintabFuncs.WTExtGet((UInt32)context_I, (UInt32)extTagIndex_I, buf);
if (status)
{
WTExtensionProperty retProp = (WTExtensionProperty)Marshal.PtrToStructure(buf, typeof(WTExtensionProperty));
result_O = retProp.data[0];
retStatus = true;
}
}
catch (Exception ex)
{
MessageBox.Show("FAILED ControlPropertyGet: " + ex.ToString());
}
CMemUtils.FreeUnmanagedBuf(buf);
return(retStatus);
}
/// <summary>
/// Sets an extension control property value.
/// </summary>
/// <param name="context_I">wintab context</param>
/// <param name="extTagIndex_I">which extension tag we're setting</param>
/// <param name="tabletIndex_I">index of the tablet being set</param>
/// <param name="controlIndex_I">the index of the control being set</param>
/// <param name="functionIndex_I">the index of the control function being set</param>
/// <param name="propertyID_I">ID of the property being set</param>
/// <param name="value_I">value of the property being set</param>
/// <returns>true if successful</returns>
public static bool ControlPropertySet(
HCTX context_I,
byte extTagIndex_I,
byte tabletIndex_I,
byte controlIndex_I,
byte functionIndex_I,
ushort propertyID_I,
UInt32 value_I
)
{
bool retStatus = false;
WTExtensionProperty extProperty = new WTExtensionProperty();
IntPtr buf = CMemUtils.AllocUnmanagedBuf(extProperty);
try
{
byte[] valueBytes = BitConverter.GetBytes(value_I);
extProperty.extBase.version = 0;
extProperty.extBase.tabletIndex = tabletIndex_I;
extProperty.extBase.controlIndex = controlIndex_I;
extProperty.extBase.functionIndex = functionIndex_I;
extProperty.extBase.propertyID = propertyID_I;
extProperty.extBase.reserved = 0;
extProperty.extBase.dataSize = (uint)System.Runtime.InteropServices.Marshal.SizeOf(value_I);
extProperty.data = new byte[WTExtensionsGlobal.WTExtensionPropertyMaxDataBytes];
// Send input value as an array of bytes.
System.Buffer.BlockCopy(valueBytes, 0, extProperty.data, 0, (int)extProperty.extBase.dataSize);
Marshal.StructureToPtr(extProperty, buf, false);
retStatus = CWintabFuncs.WTExtSet((UInt32)context_I, (UInt32)extTagIndex_I, buf);
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
CMemUtils.FreeUnmanagedBuf(buf);
return(retStatus);
}
/// <summary>
/// Close the context for this object.
///
/// </summary>
/// <returns>true if context successfully closed</returns>
public bool Close()
{
bool status = false;
try {
if (!m_hCTX.IsValid)
{
throw new Exception("CloseContext: invalid context");
}
status = WNativeMethods.WTClose(m_hCTX);
m_hCTX = HCTX.Zero;
m_logContext = new WintabLogContext();
WMessageEvents.Close();
} catch (Exception ex) {
throw new Exception("FAILED CloseContext: " + ex.ToString());
}
return(status);
}
/// <summary>
/// Close the context for this object.
/// </summary>
/// <returns>true if context successfully closed</returns>
public bool Close()
{
bool status = false;
try
{
if (m_hCTX == 0)
{
throw new Exception("CloseContext: invalid context");
}
status = CWintabFuncs.WTClose(m_hCTX);
m_hCTX = 0;
m_logContext = new WintabLogContext();
}
catch (Exception ex)
{
MessageBox.Show("FAILED CloseContext: " + ex.ToString());
}
return(status);
}
/// <summary>
/// Returns one packet of WintabPacketExt data from the packet queue.
/// </summary>
/// <param name="hCtx_I">Wintab context to be used when asking for the data</param>
/// <param name="pktID_I">Identifier for the tablet event packet to return.</param>
/// <returns>Returns a data packet with non-null context if successful.</returns>
public WintabPacketExt GetDataPacketExt(HCTX hCtx_I, UInt32 pktID_I)
{
int size = (int)(Marshal.SizeOf(new WintabPacketExt()));
IntPtr buf = CMemUtils.AllocUnmanagedBuf(size);
WintabPacketExt[] packets = null;
try
{
bool status = false;
if (pktID_I == 0)
{
throw new Exception("GetDataPacket - invalid pktID");
}
CheckForValidHCTX("GetDataPacket");
status = CWintabFuncs.WTPacket(hCtx_I, pktID_I, buf);
if (status)
{
packets = CMemUtils.MarshalDataExtPackets(1, buf);
}
else
{
// If fails, make sure context is zero.
packets[0].pkBase.nContext = HCTX.Zero;
}
}
catch (Exception ex)
{
MessageBox.Show("FAILED GetDataPacketExt: " + ex.ToString());
}
CMemUtils.FreeUnmanagedBuf(buf);
return(packets[0]);
}
/// <summary>
/// Close the context for this object.
/// </summary>
/// <returns>true if context successfully closed</returns>
public bool Close()
{
bool status = false;
try
{
if (m_hCTX == 0)
{
throw new Exception("CloseContext: invalid context");
}
status = CWintabFuncs.WTClose(m_hCTX);
m_hCTX = 0;
m_logContext = new WintabLogContext();
}
catch (Exception ex)
{
MessageBox.Show("FAILED CloseContext: " + ex.ToString());
}
return status;
}
/// <summary>
/// Sets an extension control property image (if supported by tablet).
/// </summary>
/// <param name="context_I">wintab context</param>
/// <param name="extTagIndex_I">which extension tag we're setting</param>
/// <param name="tabletIndex_I">index of the tablet being set</param>
/// <param name="controlIndex_I">the index of the control being set</param>
/// <param name="functionIndex_I">the index of the control function being set</param>
/// <param name="propertyID_I">ID of the property being set</param>
/// <param name="value_I">value of the property being set (a string)</param>
/// <returns>true if successful</returns>
public static bool ControlPropertySetImage(
HCTX context_I,
byte extTagIndex_I,
byte tabletIndex_I,
byte controlIndex_I,
byte functionIndex_I,
ushort propertyID_I,
String imageFilePath_I
)
{
bool retStatus = false;
WTExtensionImageProperty extProperty = new WTExtensionImageProperty();
IntPtr buf = CMemUtils.AllocUnmanagedBuf(extProperty);
try
{
byte[] imageBytes = null;
System.Drawing.Image newImage = Image.FromFile(imageFilePath_I);
if (newImage == null)
{
MessageBox.Show("Oops - couldn't find/read image: " + imageFilePath_I);
return false;
}
using (MemoryStream ms = new MemoryStream())
{
newImage.Save(ms, System.Drawing.Imaging.ImageFormat.Png);
imageBytes = ms.ToArray();
}
extProperty.extBase.version = 0;
extProperty.extBase.tabletIndex = tabletIndex_I;
extProperty.extBase.controlIndex = controlIndex_I;
extProperty.extBase.functionIndex = functionIndex_I;
extProperty.extBase.propertyID = propertyID_I;
extProperty.extBase.reserved = 0;
extProperty.extBase.dataSize = (uint)imageBytes.Length;
extProperty.data = new byte[WTExtensionsGlobal.WTExtensionPropertyImageMaxDataBytes];
// Send image as an array of bytes.
System.Buffer.BlockCopy(imageBytes, 0, extProperty.data, 0, (int)extProperty.extBase.dataSize);
Marshal.StructureToPtr(extProperty, buf, false);
retStatus = CWintabFuncs.WTExtSet((UInt32)context_I, (UInt32)extTagIndex_I, buf);
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
CMemUtils.FreeUnmanagedBuf(buf);
return retStatus;
}
/// <summary>
/// Sets an extension control property string.
/// </summary>
/// <param name="context_I">wintab context</param>
/// <param name="extTagIndex_I">which extension tag we're setting</param>
/// <param name="tabletIndex_I">index of the tablet being set</param>
/// <param name="controlIndex_I">the index of the control being set</param>
/// <param name="functionIndex_I">the index of the control function being set</param>
/// <param name="propertyID_I">ID of the property being set</param>
/// <param name="value_I">value of the property being set (a string)</param>
/// <returns>true if successful</returns>
public static bool ControlPropertySet(
HCTX context_I,
byte extTagIndex_I,
byte tabletIndex_I,
byte controlIndex_I,
byte functionIndex_I,
ushort propertyID_I,
String value_I
)
{
bool retStatus = false;
WTExtensionProperty extProperty = new WTExtensionProperty();
IntPtr buf = CMemUtils.AllocUnmanagedBuf(extProperty);
try
{
// Convert unicode string value_I to UTF8-encoded bytes
byte[] utf8Bytes = System.Text.Encoding.Convert(Encoding.Unicode, Encoding.UTF8, Encoding.Unicode.GetBytes(value_I));
extProperty.extBase.version = 0;
extProperty.extBase.tabletIndex = tabletIndex_I;
extProperty.extBase.controlIndex = controlIndex_I;
extProperty.extBase.functionIndex = functionIndex_I;
extProperty.extBase.propertyID = propertyID_I;
extProperty.extBase.reserved = 0;
extProperty.extBase.dataSize = (uint)utf8Bytes.Length;
extProperty.data = new byte[WTExtensionsGlobal.WTExtensionPropertyMaxDataBytes];
// Send input value as an array of UTF8-encoded bytes.
System.Buffer.BlockCopy(utf8Bytes, 0, extProperty.data, 0, (int)extProperty.extBase.dataSize);
Marshal.StructureToPtr(extProperty, buf, false);
retStatus = CWintabFuncs.WTExtSet((UInt32)context_I, (UInt32)extTagIndex_I, buf);
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
CMemUtils.FreeUnmanagedBuf(buf);
return retStatus;
}
/// <summary>
/// Sets an extension control property value.
/// </summary>
/// <param name="context_I">wintab context</param>
/// <param name="extTagIndex_I">which extension tag we're setting</param>
/// <param name="tabletIndex_I">index of the tablet being set</param>
/// <param name="controlIndex_I">the index of the control being set</param>
/// <param name="functionIndex_I">the index of the control function being set</param>
/// <param name="propertyID_I">ID of the property being set</param>
/// <param name="value_I">value of the property being set</param>
/// <returns>true if successful</returns>
public static bool ControlPropertySet(
HCTX context_I,
byte extTagIndex_I,
byte tabletIndex_I,
byte controlIndex_I,
byte functionIndex_I,
ushort propertyID_I,
UInt32 value_I
)
{
bool retStatus = false;
WTExtensionProperty extProperty = new WTExtensionProperty();
IntPtr buf = CMemUtils.AllocUnmanagedBuf(extProperty);
try
{
byte[] valueBytes = BitConverter.GetBytes(value_I);
extProperty.extBase.version = 0;
extProperty.extBase.tabletIndex = tabletIndex_I;
extProperty.extBase.controlIndex = controlIndex_I;
extProperty.extBase.functionIndex = functionIndex_I;
extProperty.extBase.propertyID = propertyID_I;
extProperty.extBase.reserved = 0;
extProperty.extBase.dataSize = (uint)System.Runtime.InteropServices.Marshal.SizeOf(value_I);
extProperty.data = new byte[WTExtensionsGlobal.WTExtensionPropertyMaxDataBytes];
// Send input value as an array of bytes.
System.Buffer.BlockCopy(valueBytes, 0, extProperty.data, 0, (int)extProperty.extBase.dataSize);
Marshal.StructureToPtr(extProperty, buf, false);
retStatus = CWintabFuncs.WTExtSet((UInt32)context_I, (UInt32)extTagIndex_I, buf);
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
CMemUtils.FreeUnmanagedBuf(buf);
return retStatus;
}
/// <summary>
/// Get a property value from an extension.
/// </summary>
/// <param name="context_I">Wintab context</param>
/// <param name="extTagIndex_I">extension index tag</param>
/// <param name="tabletIndex_I">tablet index</param>
/// <param name="controlIndex_I">control index on the tablet</param>
/// <param name="functionIndex_I">function index on the control</param>
/// <param name="propertyID_I">ID of the property requested</param>
/// <param name="result_O">value of the property requested</param>
/// <returns>true if property obtained</returns>
public static bool ControlPropertyGet(
HCTX context_I,
byte extTagIndex_I,
byte tabletIndex_I,
byte controlIndex_I,
byte functionIndex_I,
ushort propertyID_I,
ref UInt32 result_O
)
{
bool retStatus = false;
WTExtensionProperty extProperty = new WTExtensionProperty();
IntPtr buf = CMemUtils.AllocUnmanagedBuf(extProperty);
extProperty.extBase.version = 0;
extProperty.extBase.tabletIndex = tabletIndex_I;
extProperty.extBase.controlIndex = controlIndex_I;
extProperty.extBase.functionIndex = functionIndex_I;
extProperty.extBase.propertyID = propertyID_I;
extProperty.extBase.reserved = 0;
extProperty.extBase.dataSize = (uint)System.Runtime.InteropServices.Marshal.SizeOf(result_O);
Marshal.StructureToPtr(extProperty, buf, false);
try
{
bool status = CWintabFuncs.WTExtGet((UInt32)context_I, (UInt32)extTagIndex_I, buf);
if (status)
{
WTExtensionProperty retProp = (WTExtensionProperty)Marshal.PtrToStructure(buf, typeof(WTExtensionProperty));
result_O = retProp.data[0];
retStatus = true;
}
}
catch (Exception ex)
{
MessageBox.Show("FAILED ControlPropertyGet: " + ex.ToString());
}
CMemUtils.FreeUnmanagedBuf(buf);
return retStatus;
}
/// <summary>
/// Open a Wintab context to the specified hwnd.
/// </summary>
/// <param name="hwnd_I">parent window for the context</param>
/// <param name="enable_I">true to enable, false to disable</param>
/// <returns>Returns non-zero context handle if successful.</returns>
public HCTX Open(HWND hwnd_I, bool enable_I)
{
try
{
m_hCTX = CWintabFuncs.WTOpenA(hwnd_I, ref m_logContext, enable_I);
}
catch (Exception ex)
{
MessageBox.Show("FAILED OpenContext: " + ex.ToString());
}
return m_hCTX;
}
/// <summary>
/// Open a Wintab context that will send packet events to a message window.
/// </summary>
/// <returns>Returns true if successful.</returns>
public bool Open()
{
// Get the handle of the anonymous MessageEvents window. This is a
// static (global) object, so there's only one of these at a time.
HWND hwnd = MessageEvents.WindowHandle;
try
{
m_hCTX = CWintabFuncs.WTOpenA(hwnd, ref m_logContext, true);
}
catch (Exception ex)
{
MessageBox.Show("FAILED OpenContext: " + ex.ToString());
}
return (m_hCTX > 0);
}
/// <summary>
/// Open a Wintab context to the specified hwnd.
/// </summary>
/// <param name="hwnd_I">parent window for the context</param>
/// <param name="enable_I">true to enable, false to disable</param>
/// <returns>Returns non-zero context handle if successful.</returns>
public HCTX Open(HWND hwnd_I, bool enable_I)
{
m_hCTX = CWintabFuncs.WTOpen(hwnd_I, ref m_logContext, enable_I);
return(m_hCTX);
}
